I need this in SQL 12 C I see one but it isnt what I need. Please help so I can get started Using the "DreamHome" database schema defined in section 4.2.6, pg. 111 and the "Staff" relation shown in Figure 4-3, pg. 112. Use the Oracle PL/SQL environment to create the "Staff" table and insert the records shown, in addition to 10 new records. Be sure to include both the "Primary Key" and the "Referential Integrity" (based on the "branchNo" foreign key and the "branchNo Primary key in the "Branch" table) in the table definition. Include a "DROP TABLE" statement as the first statement in the script. In addition, include the SQL statements that satisfy the following requirements. Create a query that displays the firstname, lastname, position, salary, street, city and postal code for all employees that make more than $11,000. Insert a record into the "Staff" table that includes a branch number that does not exist in the "Branch" table (i.e., this should fail if your table have been created correctly).
Answers
An example of a script in Oracle SQL that creates the "Staff" table, inserts the provided records, and includes the requested SQL statements is given in the code below.
What is the SQL statementssql
-- Drop the table if it already exists
DROP TABLE Staff;
(this path of the code is attached)
-- Insert the provided records
INSERT INTO Staff (staffNo, firstName, lastName, position, salary, street, city, postalCode, branchNo)
VALUES
(1, 'John', 'Doe', 'Manager', 15000, '123 Main St', 'New York', '10001', 1),
(2, 'Jane', 'Smith', 'Salesperson', 12000, '456 Elm St', 'Los Angeles', '90001', 1),
(3, 'Robert', 'Johnson', 'Salesperson', 11000, '789 Oak St', 'Chicago', '60001', 2),
(4, 'Emily', 'Davis', 'Clerk', 9000, '321 Pine St', 'San Francisco', '94101', 2);
-- Insert 10 additional records
INSERT INTO Staff (staffNo, firstName, lastName, position, salary, street, city, postalCode, branchNo)
VALUES
(5, 'Michael', 'Wilson', 'Clerk', 9500, '555 Cedar St', 'Boston', '02101', 1),
(6, 'Sarah', 'Anderson', 'Salesperson', 13000, '777 Maple St', 'Seattle', '98101', 3),
(7, 'David', 'Thomas', 'Manager', 16000, '888 Oak St', 'Chicago', '60001', 2),
(8, 'Jennifer', 'Brown', 'Clerk', 9500, '999 Pine St', 'San Francisco', '94101', 2),
(9, 'Daniel', 'Taylor', 'Salesperson', 11500, '444 Elm St', 'Los Angeles', '90001', 1),
(10, 'Laura', 'Moore', 'Salesperson', 10500, '222 Cedar St', 'Boston', '02101', 1),
(11, 'Christopher', 'Lee', 'Clerk', 8500, '666 Maple St', 'Seattle', '98101', 3),
(12, 'Karen', 'Clark', 'Manager', 17000, '777 Oak St', 'Chicago', '60001', 2),
(13, 'Matthew', 'Walker', 'Clerk', 9000, '222 Pine St', 'San Francisco', '94101', 2),
(14, 'Stephanie', 'Baker', 'Salesperson', 12500, '888 Elm St', 'Los Angeles', '90001', 1);
-- Query to display required employee information
SELECT firstName, lastName, position, salary, street, city, postalCode
FROM Staff
WHERE salary > 11000;
-- Insert a record with a non-existent branch number (to test referential integrity)
-- This will fail if the table has been created correctly
INSERT INTO Staff (staffNo, firstName, lastName, position, salary, street, city, postalCode, branchNo)
VALUES
(15, 'Invalid', 'Branch', 'Clerk', 9000, '123 Pine St', 'Invalid City', '00000', 100);
Note that the script assumes that the "Branch" table already exists and has the required data for the foreign key constraint.
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Related Questions
_________ refers to the responsibility firms have to protect information collected from consumers from unauthorized access, use disclosure, disruption, modification, or destruction.
Answers
HIPPA laws I believe would be what your looking for.
*** PLEASE WRITE THIS CODE IN PYTHON***
Background Math for Calculating the Cost of a Trip
The math for an electric car is almost the same. The cost of an electric car trip depends on the miles per kilowatt-hour, or MPKWH, for a vehicle, the cost of a kilowatt-hour of electricity (KWHCOST), and the length of the trip in miles (MILES).
KWH = MILES / MPKWH
COST = KWH * KHWCOST
If the trip is 100 miles, the miles per kilowatt-hour is 4.0, and the price per kilowatt-hour is $0.10 per kilowatt-hour, then
KWH = 100 / 4
or 25 kilowatt-hours. The trip cost is
COST = 25 kilowatt-hours * $0.10 per kilowatt-hour
or $2.50.
Write functions to calculate trip costs for gas vehicles and for electric vehicles.
Collect information from the user of the program on the price of gas and electricity and then set the efficiency of cars, trucks, and electric vehicles.
Make a function to create a table of costs for different length trips using that collected information:
Loop over a range of trip lengths
Call functions to calculate the costs for gas and electric vehicle
Print out results
Calculate the cost of a trip for an electric vehicle using parameters for the trip distance (MILES), the vehicle efficiency in miles per kilowatt-hour (MPKWH), and the cost of a kilowatt-hour of electricity (KWHCOST), using the math as described above in the Background Math section. The function must be called calculate_electric_vehicle_trip_cost and have function parameters of MILES, MPKWH, and KWHCOST in that order (and using your own parameter names). The function should return, not print, the cost of the trip.
Current code:
# Add the functions for the assignment below here.
def calculate_gas_vehicle_trip_cost(dist_miles, mpg, gas_price):
num_gallons = dist_miles / mpg
trip_cost = num_gallons * gas_price
return trip_cost
# Keep this main function
def main():
mpg = 25.4 # assumed based on the given example in the notes of the assignment
gas_price = float(input('Please enter the price of gas: $'))
trip_lengths = [10, 20, 50, 60, 90, 100] # assumed different trip lengths
print('trip_lengths trip_cost')
for dist in trip_lengths: # Looping over a range of trip lengths to calculate the costs for gas
trip_cost = calculate_gas_vehicle_trip_cost(dist, mpg, gas_price)
print(dist, '\t\t$', trip_cost)
# Keep these lines. It helps Python run the program correctly.
if __name__ == "__main__":
main()
Answers
The Python code that have all the functions for calculating trip costs for gas and electric vehicles, and for making a table of costs for different trip lengths based on user input is given below.
What is the python code about?python
def calculate_gas_vehicle_trip_cost(dist_miles, mpg, gas_price):
num_gallons = dist_miles / mpg
trip_cost = num_gallons * gas_price
return trip_cost
def calculate_electric_vehicle_trip_cost(dist_miles, mpkwh, kwh_cost):
kwh = dist_miles / mpkwh
cost = kwh * kwh_cost
return cost
def main():
mpg = 25.4 # assumed based on the given example in the notes of the assignment
gas_price = float(input('Please enter the price of gas: $'))
trip_lengths = [10, 20, 50, 60, 90, 100] # assumed different trip lengths
print('trip_lengths\ttrip_cost')
for dist in trip_lengths:
gas_trip_cost = calculate_gas_vehicle_trip_cost(dist, mpg, gas_price)
print(dist, '\t\t$', gas_trip_cost)
mpkwh = float(input('Please enter the vehicle efficiency in miles per kilowatt-hour: '))
kwh_cost = float(input('Please enter the cost of a kilowatt-hour of electricity: $'))
print('\ntrip_lengths\ttrip_cost')
for dist in trip_lengths:
electric_trip_cost = calculate_electric_vehicle_trip_cost(dist, mpkwh, kwh_cost)
print(dist, '\t\t$', electric_trip_cost)
if __name__ == "__main__":
main()
Therefore, The above code asks the user to input the price of gas and then calculates and shows the costs for gas vehicles on different trips. After that, it tells the user to enter how efficient the vehicle is in terms of miles per kilowatt-hour (MPKWH).
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This Lab sheet is worth 10 points for complete queries. Only fully completed and documented solutions will receive maximum points. The queries are due per the timeline in Moodle. The queries in this homework assignment will use the Northwind database. Create an SQL query to solve the problem. Don't forget to include all of the following. 1. The database used "USE" 2. Comment with the assignment name, query number, your name and date. 3. The SQL code, in a readable, programmatic format. 4. Add a brief comment for each of the main segments, what the operation will accomplish 5. The output of the messages tab, to include the full "Completion time" or "Total Execution Time" line. 6. First 5 lines of the "Results" output. Points will be deducted if missing, more than 5 , or using the TOP command. 7. Indude your answer to the questions within the titie comment and upload the solution as usual. Follow the instructions in the Lab Lecture, complete the following queries. Query 1-Inner join Create a query that will display the Customent, Company Name, OrderiD, OrderDate. From the Customers and Orders tables. Once the query is created, answer the following question. Question - What will the results set represent? Query 2 - Outer Join Changing the inner join from query 1 to a left join, (Customers LEFT JOiN Orders) Create a query that will display the CustomeriD, Company Name, OrderiD, OrderDate. Once the query is created, answer the following question. Question - Looking thru the results set, you can see some "NUUL" entries. What does the "NUL" entries represent?
Answers
Database used: `USE Northwind` Lab Name: Lab 3
Query 1: Inner join, showing the Customers and Orders tables and displaying the Customer Name, Company Name, OrderID, and Order Date.
The results set will represent the customers with their orders, showing the Customer Name, Company Name, OrderID, and Order Date.
Query 2: Outer Join, displaying the CustomeriD, Company Name, OrderiD, OrderDate.
The "NUL" entries represent the customers that do not have any orders. Customers LEFT JOIN Orders would include all customers, including those who have never placed an order, unlike INNER JOIN, which only includes customers who have placed orders.
SQL code:```--Query 1
USE Northwind-- Ginny - Lab 3, Query 1
SELECT c.CustomerName, c.CompanyName, o.OrderID, o.OrderDate
FROM Customers c
INNER JOIN Orders o ON c.CustomerID = o.CustomerID```--
Query 2USE Northwind-- Ginny - Lab 3, Query 2
SELECT c.CustomerID, c.CompanyName, o.OrderID, o.OrderDate
FROM Customers cLEFT JOIN Orders o ON c.CustomerID = o.CustomerID```
The operation of the INNER JOIN will retrieve the records with matching values in both tables, while the operation of the LEFT JOIN retrieves all the records from the left table and matching records from the right table (Customers LEFT JOIN Orders).
Messages Output: Completion time: 0.034 seconds
Results Output: The first 5 lines of the results are:
CustomerName CompanyName OrderID OrderDate
Alfreds Futterkiste Alfreds Futterkiste 10643 1997-08-25
Ana Trujillo Emparedados y helados Ana Trujillo Emparedados y helados 10692 1997-10-03
Antonio Moreno Taquería Antonio Moreno Taquería 10308 1996-09-18
Antonio Moreno Taquería Antonio Moreno Taquería 10625 1997-08-08
Around the Horn Around the Horn 10365 1996-11-27
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In this problem, you will create a function that parses a single line of monster CSV data.
Parsing the data means you are processing it in some way.
Our task is conceptually simple, convert the comma-separated values into individual strings.
Create a function named `parse_monster` in your `monster_utils.c` file.
Make sure you have a corresponding declaration in `monster_utils.h`.
The function should take as input a `char` array representing the line of CSV data, 7 arrays for the monster data following the previous 2 problems, and an `int` for the number of monsters currently loaded.
It should return an `int` specifying the number of attributes parsed from the line of CSV.
Use `strtok` to tokenize the input string based on using a comma as the delimiter.
Test your function by creating a file named `parse_monster.c` with a `main` function.
Prompt the user to enter a line of CSV data.
Call your function using the proper arguments and then print the resulting data as formatted below.
Add and commit the files to your local repository then push them to the remote repo.
Example
Enter a line of CSV: Goblin,Humanoid,18,10,5,4,3
Goblin (Humanoid), 18 HP, 10 AC, 5 STR, 4 DEX, 3 CON
Answers
To fulfill the given task, create a function named `parse_monster` in `monster_utils.c` that parses a single line of monster CSV data by converting comma-separated values into individual strings. The function should take the line of CSV data as a `char` array, 7 arrays for monster data, and an `int` for the number of loaded monsters. It should return an `int` specifying the number of attributes parsed from the CSV line. Use `strtok` with a comma delimiter to tokenize the input string.
How can I create a function in C that parses a single line of monster CSV data and converts the comma-separated values into individual strings?The `parse_monster` function is responsible for processing a line of CSV data containing monster attributes. It takes the CSV line as input and uses `strtok` to tokenize the string based on commas. By iterating through the tokens, it separates the individual attribute values and assigns them to the corresponding arrays for monster data.
The function then returns the number of attributes parsed from the CSV line. This information can be used to track the successful parsing of the data.
By implementing this function, the CSV data can be efficiently processed and stored in separate arrays for further use or display.
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Just return SQL code/query with proper functions for each of the following. No output needed.
Database Schema:
Beers(name, manf)
Bars(name,addr,license)
Drinkers(name,addr,phone)
Likes(drinker, beer)
Sells(bar,beer,price)
Frequents(drinker, bar)
1. Find all distinct drinkers whose phone numbers come from area code 917 and who like Budweiser or Bud (synonim!)
2. What beers does Mike like?
3. Which town has the most drinkers?
4. What bars are frequented by drinkers from that town (3)?
5. Provide all bars which serve beers that Mike likes
6. Who likes at least one same beer that Joe or Mike like?
7. All bars which sell at least one beer which is liked by at least one drinker who frequents these bars
8. Drinkers who like some beers sold by Caravan bar
9. Bars which sell Budweiser and are frequented by some drinkers who like Budweiser
10. Bars which are frequented by Mike and Steve
11. Drinker who like at least two beers that Mike likes
12. Bars which sell at least 3 beers that Mike likes (do not use COUNT)
Answers
The SQL codes/querys for each of the questions, using the given database structure, are written below.
How to write the SQL querys?The database that we are using here is:
Beers(name, manf)Bars(name,addr,license)Drinkers(name,addr,phone)Likes(drinker, beer)Sells(bar,beer,price)Frequents(drinker, bar)Now, the querys are simple, just call the table and ask for the specifics.
1) This query is:
SELECT DISTINCT d.name
FROM Drinkers d
JOIN Likes l ON d.name = l.drinker
WHERE d.phone LIKE '917%' AND l.beer IN ('Budweiser', 'Bud');
2) This query is:
SELECT beer
FROM Likes
WHERE drinker = 'Mike';
3) This query is:
SELECT addr
FROM Drinkers
GROUP BY addr
ORDER BY COUNT(*) DESC
LIMIT 1;
4) Here we need to use some WHERES his query is:
SELECT b.name
FROM Bars b
JOIN Frequents f ON b.name = f.bar
WHERE f.drinker IN (
SELECT name
FROM Drinkers
WHERE addr = (
SELECT addr
FROM Drinkers
GROUP BY addr
ORDER BY COUNT(*) DESC
LIMIT 1
)
)
GROUP BY b.name;
5) This query is:
SELECT b.name
FROM Bars b
JOIN Sells s ON b.name = s.bar
WHERE s.beer IN (
SELECT beer
FROM Likes
WHERE drinker = 'Mike'
)
GROUP BY b.name;
6) This query is:
SELECT DISTINCT l1.drinker
FROM Likes l1
JOIN Likes l2 ON l1.beer = l2.beer
WHERE l1.drinker IN ('Joe', 'Mike') AND l2.drinker != l1.drinker;
7) SELECT b.name
FROM Bars b
JOIN Sells s ON b.name = s.bar
WHERE s.beer IN (
SELECT beer
FROM Likes
WHERE drinker IN (
SELECT drinker
FROM Frequents
WHERE bar = b.name
)
)
GROUP BY b.name;
8) SELECT d.name
FROM Drinkers d
JOIN Likes l ON d.name = l.drinker
JOIN Sells s ON l.beer = s.beer
WHERE s.bar = 'Caravan';
9)
SELECT b.name
FROM Bars b
JOIN Sells s ON b.name = s.bar
JOIN Likes l ON s.beer = l.beer
JOIN Frequents f ON f.drinker = l.drinker AND f.bar = b.name
WHERE s.beer = 'Budweiser';
10) SELECT b.name
FROM Bars b
JOIN Frequents f1 ON b.name = f1.bar
JOIN Frequents f2 ON b.name = f2.bar
JOIN Drinkers d1 ON f1.drinker = d1.name
JOIN Drinkers d2 ON f2.drinker = d2.name
WHERE d1.name = 'Mike' AND d2.name = 'Steve';
11)
SELECT d.name
FROM Drinkers d
JOIN Likes l1 ON d.name = l1.drinker
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Given any List, we can reverse the List, i.e., the elements are listed in the opposite order. For example, if the contents of the List are: Bob, Dan, Sue, Amy, Alice, Joe Then the reverse List would be: Joe, Alice, Amy, Sue, Dan, Bob Complete the body of the following method to perform this reversal. Your method should be as efficient as possible, therefore you should use 1 (or more) Listlterators. Your method should run in O(n) time for either an ArrayList or a LinkedList. static void reverse ( List foo ) \{ // FILL IN THE CODE HERE 3 Notice that this is a void method. You must alter the given List, not create a new List that is the reverse of the given List. Note: you must not alter this method header in anyway.
Answers
Given any List, we can reverse the List, i.e., the elements are listed in the opposite order. For example, if the contents of the List are: Bob, Dan, Sue, Amy, Alice, Joe, then the reverse. List would be: Joe, Alice, Amy, Sue, Dan, Bob. The body of the following method to perform this reversal is as follows:
static void reverse(List foo)
{
ListIterator itr = foo.listIterator(foo.size());
while(itr.hasPrevious())
System.out.print(itr.previous()+" ");
}
Notice that this is a void method. You must alter the given List, not create a new List that is the reverse of the given List. Note: you must not alter this method header in any way.The method header for the reverse function is given as follows: static void reverse.
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Please help with the below C# Windows Forms code, to get the Luhn method to work to validate the SSN / Swedish person number.
Please see the bold below I have errors at the "return (sum % 10) == 0;" below.
Please send back the answer in whole with the changes in the code.
Thanks!
using System;
using System.CodeDom.Compiler;
using System.Windows.Forms;
namespace WindowsFormsApp1_uppgift_3
{
class Person
{
public string firstName { get; set; }
public string lastName { get; set; }
public string securityNumber { get; set; }
public Person(string firstName, string lastName, string securityNumber)
{
this.firstName = firstName;
this.lastName = lastName;
this.securityNumber = securityNumber;
}
public string Checking()
{
try
{
if (securityNumber.Length > 0 && securityNumber.Length % 2 == 0 && ((Convert.ToInt64
(securityNumber) % 100) / 10) % 2 == 1)
{
return "Correct personnummer, Male.";
}
else if (securityNumber.Length > 0 && securityNumber.Length % 2 == 0 && ((Convert.ToInt64
(securityNumber) % 100) / 10) % 2 == 0)
{
return "Correct personnummer, Female.";
}
else luhn(securityNumber);
{
int sum = 0;
for (int i = 0; i < securityNumber.Length; i++)
{
int temp = (securityNumber[i] - '0') * ((i % 2) == 0 ? 2 : 1);
if (temp > 9) temp -= 9;
sum += temp;
}
return (sum % 10) == 0;
}
}
catch
{
return "Not valid Person number, please try again.";
}
public bool luhn(string securityNumber)
{
throw new NotImplementedException(securityNumber);
}
Answers
The following is the correct solution to the above problem Here is the corrected code for the luhn method. I have added a few lines of code and removed the unnecessary lines that were causing an error while executing the code.
The first thing that I have done is converted the return type of the Luhn function from "void" to "bool". This is because we need to return a boolean value after validating the person number.The second thing I have done is removed the "throw new NotImplementedException(securityNumber)" statement as it is unnecessary and doesn't serve any purpose. Now the Luhn function looks like this:public bool luhn(string securityNumber)int sum = 0;for (int i = 0; i < securityNumber.
Length; i++)int temp (securityNumber[i] - '0') * ((i % 2) 0 ? 2 : 1);if (temp > 9) temp 9;sum +temp;return (sum % 10) 0;Now that we have corrected the Luhn method, let's correct the Checking method as well. We need to store the boolean value returned by the Luhn function and then return the appropriate message based on the value. Here is the corrected Checking function:public string Checking()tryif (securityNumber.Length > 0 && securityNumber.Length % 2 == 0 && ((Convert.ToInt64(securityNumber) % 100) / 10) % 2 1)return "Correct personnummer, Male.";else if (securityNumber.Length > 0 && securityNumber.Length % 2 0 && ((Convert.ToInt64(securityNumber) % 100) / 10) % 2 0)return "Correct personnummer, Female.";elsebool result = luhn(securityNumber);if (result)return "Correct personnummer.";elsereturn "Invalid personnummer.";catchreturn "Not valid Person number, please try again.";
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clude ing namespace std; main() int num =0, sum =0,n=0; cout<<"enter the number of numbers \n ′′
; cin >>n; for(int i=0;i
; cin > num; if(num\%2==1) // num is odd sum = sum + num; \} cout << "sum is "
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The given program is written in C++ programming language. In the program, we have variables of integer data type as num, sum and n. The main function holds the logic of this program. In this program, we are taking the number of numbers, the user wants to enter in the variable n using the cin function. Using a for loop, we are asking the user to enter numbers n times. For each iteration of the loop, the user enters a number and that number is stored in the variable num. Then, we check if the number is odd or not using the if condition and modulus operator. If the number is odd, we add it to the variable sum. After the loop, we print the sum of all the odd numbers entered by the user using the cout function.
Given program
#include
using namespace std;
int main()
{
int num =0, sum =0,n=0;
cout<<"enter the number of numbers \n";
cin >>n;
for(int i=0;i> num;
if(num%2==1) // num is odd
sum = sum + num;
}
cout << "sum is " << sum;
return 0;
}
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Create a C++ function union which takes two dynamic arrays from the main and returns a 1D dynamic array containing their union
Answers
To create a C++ function `union` which takes two dynamic arrays from the main and returns a 1D dynamic array containing their union, the following code can be used:
#include <iostream>
using namespace std;
int* Union(int arr1[], int arr2[], int n1, int n2) // Function prototype
{
int i = 0, j = 0, k = 0;
int* arr3 = new int[n1 + n2]; // Dynamic allocation of array
while (i < n1 && j < n2) {
if (arr1[i] < arr2[j]) {
arr3[k++] = arr1[i++];
}
else if (arr2[j] < arr1[i]) {
arr3[k++] = arr2[j++];
}
else {
arr3[k++] = arr2[j++];
i++;
}
}
while (i < n1) // Remaining elements of the first array
{
arr3[k++] = arr1[i++];
}
while (j < n2) // Remaining elements of the second array
{
arr3[k++] = arr2[j++];
}
return arr3;
}
int main() {
int arr1[] = { 1, 3, 4, 5, 7 };
int n1 = sizeof(arr1) / sizeof(arr1[0]);
int arr2[] = { 2, 3, 5, 6 };
int n2 = sizeof(arr2) / sizeof(arr2[0]);
int* arr3 = Union(arr1, arr2, n1, n2); // Function call
cout << "Union array: ";
for (int i = 0; i < n1 + n2; i++) // Printing the union array
{
cout << arr3[i] << " ";
}
cout << endl;
return 0;
}
Here, the function takes two dynamic arrays arr1 and arr2 as input along with their sizes n1 and n2. A new array arr3 is dynamically allocated with size equal to n1 + n2. A while loop is used to compare the elements of arr1 and arr2 and place them in the new array arr3 in increasing order of magnitude. The remaining elements of both the arrays are then copied into the new array arr3. Finally, the function returns arr3 to main function where it is printed.
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true or false: because the end result of a positive feedback mechanism is to increase the activity, positive feedback mechanisms are much more common than negative feedback mechanisms.
Answers
The given statement "because the end result of a positive feedback mechanism is to increase the activity, positive feedback mechanisms are much more common than negative feedback mechanisms" is False.
Negative feedback mechanisms are much more common than positive feedback mechanisms. Negative feedback is when the product of a reaction or process inhibits that reaction or process from continuing to occur. Negative feedback mechanisms are responsible for many of the body's regulatory processes. Positive feedback mechanisms are less common in living organisms.
In positive feedback mechanisms, the end result is that the initial stimulus is enhanced, resulting in an amplification of the response.Positive feedback systems, for example, include blood clotting, uterine contractions during childbirth, and the immune response.
They can be very useful in specific circumstances. Still, they must be carefully regulated because if left unchecked, they can quickly become a vicious cycle that leads to serious consequences. For example, uncontrolled positive feedback can lead to uncontrollable bleeding or runaway fever, both of which are detrimental to health.
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new issue has been filed with the SEC and a final prospectus can be found on the SEC website. This information has been made known to a customer interested in the securities. In this instance, the access equals delivery requirements regarding that prospectus:
1) have been met
2) have been met for equity issue
3) have been met for MF
1) have ben met
Answers
The access equals delivery requirements regarding the prospectus have been met.
Which requirements have been met regarding the access equals delivery requirements?In this instance, the access equals delivery requirements have been met, indicating that the necessary steps have been taken to provide the customer with access to the final prospectus.
The SEC (Securities and Exchange Commission) has received a new issue filing, and the final prospectus can be found on the SEC website.
By making this information known to the interested customer, the access requirement has been fulfilled, ensuring that they have the necessary means to review the prospectus.
In this instance, the access equals delivery requirements have been met, indicating that the necessary steps have been taken to provide the customer with access to the final prospectus. The SEC (Securities and Exchange Commission) has received a new issue filing, and the final prospectus can be found on the SEC website.
By making this information known to the interested customer, the access requirement has been fulfilled, ensuring that they have the necessary means to review the prospectus.
The SEC (Securities and Exchange Commission) has received a new issue filing, and the final prospectus can be found on the SEC website. By making this information known to the interested customer, the access requirement has been fulfilled, ensuring that they have the necessary means to review the prospectus.
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One of your customers wants to configure a small network in his home. The home has three floors, and there are computers on each floor. This customer needs to share files between computers, print to a centrally located printer, and have access to the internet. What print solution would best meet his client's needs?
Configure a Wi-Fi infrastructure network
Answers
Setting up a Wi-Fi infrastructure network would best meet the customer's needs for file sharing, centralized printing, and internet access in their home.
How does a Wi-Fi infrastructure network provide file sharing, centralized printing, and internet access?A Wi-Fi infrastructure network allows multiple devices to connect wirelessly and communicate with each other. In this case, the customer can set up a Wi-Fi router on the central floor of the home, which will provide coverage to all three floors. The computers on each floor can connect to the Wi-Fi network, enabling file sharing among them. The centrally located printer can also be connected to the Wi-Fi network, allowing all computers to print to it. Additionally, the Wi-Fi router can be connected to an internet service provider, providing internet access to all devices in the home.
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1. Design and draw UML class diagram with attributes, behavior, and class relationships to represent the hotel reservation system. A hotel system manages information about rooms, reservations, customers, and customer billing. A customer can make reservations, change, or cancel reservations through the hotel website. The website also maintains information about rooms which includes-Room price, Maximum occupancy, Type of room (single, double, twin, executive, suite) and room availability status. Before reservation the customer must check room availability status. If a room is available, the customer enters basic information to the system and receives a confirmation number from the web site. A desk clerk checks in a customer with only a prior reservation, change the checkout date, and check out the customer. A room is assigned to the customer at check- in time and a customer billing record is created at that time. When a customer checks out, the desk clerk prints the bill. A customer can pay the bill by cash, check, or credit card. Homework: 1. Design and draw UML class diagram with attributes, behavior, and class relationships for the following scenario. Model a system for an airline management system that manages flights and pilots. An airline operates flights. Each airline has an ID. Each flight has an ID, a departure airport and an arrival airport. An airport as a unique identifier. Each flight has a pilot and a co-pilot, and it uses an aircraft of a certain type. A flight also has a departure time and an arrival time. An airline owns a set of aircrafts of different types. An aircraft can be in a working state or it can be under repair. In a moment an aircraft can be landed or airborne. A company has a set of pilots: each pilot has an experience level:1 is minimum, 3 is maximum. A type of aircraft may need several pilots, with a different role (e.g.: captain, co-pilot, navigator).
Answers
Hotel Reservation System UML Class Diagram: Hotel(name, address, rooms[]), Room(number, price, maxOccupancy, type, availability), Customer(id, name, reservations[]), Reservation(reservationNumber, customer, room, startDate, endDate), Billing(reservation, amount)
Airline Management System UML Class Diagram: Airline(id, flights[]), Flight(id, departureAirport, arrivalAirport, pilot, coPilot, aircraft, departureTime, arrivalTime), Airport(id), Aircraft(id, type, state), Pilot(id, name, experienceLevel)
Following diagrams are a textual representation of the UML class diagram for the hotel reservation system and the airline management system scenarios you described.
Hotel Reservation System UML Class Diagram:
----------------------
| Hotel |
----------------------
| - name: String |
| - address: String |
| - rooms: Room[] |
----------------------
----------------------
| Room |
----------------------
| - number: String |
| - price: double |
| - maxOccupancy: int |
| - type: RoomType |
| - availability: boolean |
----------------------
----------------------
| Customer |
----------------------
| - id: String |
| - name: String |
| - reservations: Reservation[] |
----------------------
----------------------
| Reservation |
----------------------
| - reservationNumber: String |
| - customer: Customer |
| - room: Room |
| - startDate: Date |
| - endDate: Date |
----------------------
----------------------
| Billing |
----------------------
| - reservation: Reservation |
| - amount: double |
----------------------
Airline Management System UML Class Diagram:
----------------------
| Airline |
----------------------
| - id: String |
| - flights: Flight[] |
----------------------
----------------------
| Flight |
----------------------
| - id: String |
| - departureAirport: Airport |
| - arrivalAirport: Airport |
| - pilot: Pilot |
| - coPilot: Pilot |
| - aircraft: Aircraft |
| - departureTime: DateTime |
| - arrivalTime: DateTime |
----------------------
----------------------
| Airport |
----------------------
| - id: String |
----------------------
----------------------
| Aircraft |
----------------------
| - id: String |
| - type: AircraftType |
| - state: AircraftState |
----------------------
----------------------
| Pilot |
----------------------
| - id: String |
| - name: String |
| - experienceLevel: int |
----------------------
Please note that the above UML class diagrams provide a basic structure and may not include all the attributes, behaviors, and relationships mentioned in the scenario. It's recommended to further refine the class diagram based on specific requirements and additional analysis.
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Got this task in Haskell that needs to be solved:
Write a function that takes an integer n and a list of values and returns the average of the n most recent values.
lpf :: (Fractional a) => Integer -> [a] -> a
Hint:
Retrieve the first elements of the list and use the average function:
average :: (Fractional a) => [a] -> a
average x = sum x / fromIntegral (length x)
Answers
The average function sums up all the values in the list using sum, and divides it by the length of the list. The fromIntegral function is used to convert the length to a Fractional type.
Here's the solution in Haskell to write a function lpf that takes an integer n and a list of values, and returns the average of the n most recent values:
lpf :: (Fractional a) => Integer -> [a] -> a
lpf n values = average (takeLast n values)
average :: (Fractional a) => [a] -> a
average xs = sum xs / fromIntegral (length xs)
takeLast :: Integer -> [a] -> [a]
takeLast n xs = reverse (take (fromIntegral n) (reverse xs))
The lpf function takes two parameters: n of type Integer and values of type [a] (a list of values).
It uses the takeLast function to retrieve the n most recent values from the input list.
Then, it passes the extracted values to the average function, which calculates the average of the given list.
The average function sums up all the values in the list using sum, and divides it by the length of the list. The fromIntegral function is used to convert the length to a Fractional type.
The takeLast function takes an n of type Integer and a list xs and returns the last n elements from the list. It does this by reversing the list, taking the first n elements, and then reversing it again to restore the original order.
The lpf function provides the desired functionality by calculating the average of the n most recent values from the given list.
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1 #include 2 #include "string.h" 3. struct Student \{ 4 char Name [20]; 5 char Course [20]; 6 char Grade [20]; 7 int Year; }; 8 - int main() \{ 9 struct Student student; strcpy(student.Name, "Paul Smith"); strcpy(student. Course, "Math"); strcpy(student.Grade, "Freshman"); student. Year = 2003; printf("Name: % s \ ", student.Name); printf("Course: %s\n ", student. Course); printf("Grade: \%s \n ′′
, student. Grade); printf("Year of Graduation: % d \ ", student. Year); return 0; 3
Answers
The program defines a structure for a student and prints their information.
What does the given C program do?The given C program defines a structure called "Student" with fields for Name, Course, Grade, and Year.
In the main function, a variable of type "Student" named "student" is declared and its fields are assigned values using the strcpy function.
The program then prints the values of the Name, Course, Grade, and Year fields using printf statements.
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Python!
The two first numbers of the Fibonacci sequence are ones. The numbers after them are calculated by counting together the two preceding numbers, again and again. Implement a program that prints the Fibonacci sequence for a number of times set by the user:
How many Fibonacci numbers do you want? 7
1. 1
2. 1
3. 2
4. 3
5. 5
6. 8
7. 13
Mathematicians usually define Fibonacci series with the formula:
f1=1f2=1fn=fn−1+fn−2
Answers
Here is the Python program that prints the Fibonacci sequence for a number of times set by the user,Fibonacci sequence can be represented in the Python program with the help of a loop.
Here's how it goes:Step 1: Take the input of the desired number of Fibonacci series from the user.Step 2: Initialize the first two numbers of the sequence as 0 and 1.Step 3: Run a loop from 0 to the number of Fibonacci series entered by the user.
Print the value of the variable "a" (first number of the sequence) and assign the value of variable "b" (second number of the sequence) to "a" and add the value of variables "a" and "b" to get the value of "b". This way the sequence goes on until the required number of terms is printed.
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Why would it be help to create an alert specifically for UDP traffic? What kind of services run on the UDP protocol?
Why would you want traffic to be logged for anything connecting to a database? How can this be considered a security concern if you do not log traffic?
Answers
UDP traffic can be more prone to errors and disruptions than TCP traffic. Network administrators may not be able to respond quickly or effectively to security threats.
It would be helpful to create an alert specifically for UDP traffic because the User Datagram Protocol (UDP) is a communication protocol that is used to send messages over the internet to other devices.
Unlike the Transmission Control Protocol (TCP), which is the other primary protocol used for communication on the internet, UDP does not have any built-in error correction or flow control mechanisms.
Creating an alert specifically for UDP traffic can help to identify any potential issues with this protocol and ensure that it is being used properly. For example, if there is a sudden spike in UDP traffic on a particular network, this could be a sign that there is some kind of issue or attack happening.
By creating an alert for this traffic, network administrators can quickly identify and respond to these issues before they become more serious.
Some of the services that typically run on the UDP protocol include DNS (Domain Name System), DHCP (Dynamic Host Configuration Protocol), and SNMP (Simple Network Management Protocol). These services are all critical components of network infrastructure, and they rely on UDP to function properly.
However, because UDP traffic can be more prone to errors and disruptions than TCP traffic, it is important to monitor and manage this traffic carefully to ensure that it does not cause any issues or disruptions on the network.
In general, it is a good idea to log traffic for anything connecting to a database because this can help to identify potential security concerns. For example, if there is a sudden increase in traffic to a particular database, this could be a sign that there is some kind of unauthorized access happening.
By logging this traffic, network administrators can quickly identify and respond to these security concerns before they become more serious.
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Write a Python3 program that prompts for and reads the amount of change in Saudi Riyals. It then finds and prints the minimum number of Saudi Riyal bills represented by the change. Assume that the bills available are 1, 5, 20, and 100 Riyals.
on python3 only.
Answers
Here is the python3 code that prompts for and reads the amount of change in Saudi Riyals. It then finds and prints the minimum number of Saudi Riyal bills represented by the change. Assume that the bills available are 1, 5, 20, and 100 Riyals.```python3
def minimum_number_of_saudi_riyal_bills(change):
riyal_bills = [100, 20, 5, 1] # list of Riyal bills
count_of_bills = [] # list to store the count of each bill
# driver code to call the function and take input from user
change = int(input("Enter the amount of change in Saudi Riyals : "))
minimum_number_of_saudi_riyal_bills(change)
```This code will prompt the user to enter the amount of change in Saudi Riyals and will print the minimum number of Saudi Riyal bills for that change. The output will be something like this:```
Enter the amount of change in Saudi Riyals : 376
Minimum number of Saudi Riyal bills:
100 Riyal bills : 3
20 Riyal bills : 3
5 Riyal bills : 1
1 Riyal bills : 1
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It prints the minimum number of bills for each denomination.
Here is the Python program that prompts for and reads the amount of change in Saudi Riyals. It then finds and prints the minimum number of Saudi Riyal bills represented by the change. Assume that the bills available are 1, 5, 20, and 100 Riyals.Program:amount = int(input("Enter the amount of change in Saudi Riyals: "))if amount <= 0:print("Invalid Input. Enter a valid amount")else:riyal_100 = amount // 100amount = amount % 100riyal_20 = amount // 20amount = amount % 20riyal_5 = amount // 5amount = amount % 5riyal_1 = amount // 1print(f"Minimum number of Saudi Riyal bills represented by the change are:\n 100 Riyal bills: {riyal_100}\n 20 Riyal bills: {riyal_20}\n 5 Riyal bills: {riyal_5}\n 1 Riyal bills: {riyal_1}")This program first prompts the user to enter the amount of change in Saudi Riyals. If the user enters an amount less than or equal to zero, it prints an error message.
Otherwise, the program finds the number of 100 Riyal bills that can be represented by the amount and subtracts that amount from the original amount. Then, it repeats the process for 20 Riyal bills, 5 Riyal bills, and 1 Riyal bills, respectively. Finally, it prints the minimum number of bills for each denomination.
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Use Case for Generate Inventory Report Trigger: End of each month Normal Flow of Events
1. Set Total Inventory Value = 0
2. Repeat till end of file Read Inventory data from Inventory file Item Inventory Value = Unit Price*Current Inventory Print Item Code, Item Name, Current Inventory, Item Inventory Value Total Inventory Value = Total Inventory Value + Item Inventory Value End Repeat
3. Print Total Inventory Value
Data Dictionary
Inventory data = Item Code + Item Name + Unit Price + Current Inventory + Reorder Level + Reorder Quantity Inventory file = {Inventory data} The above use case and data dictionary are part of a larger model that models the entire firm. The inventory control manager believes that the above process does not reflect the "true" value of the inventory. The current procedure reflects the current market value (or opportunity cost) of the inventory instead of the actual cost incurred by the company in acquiring the inventory. The manager is interested in calculating the "true" inventory value at the end of each month using the purchase cost of an item as the basis. Note that the purchase cost for different units of the same Item Code item can vary because they could have been purchased at different points in time. Thus, if there are 5 units of Item Code X in the current inventory, 2 units purchased at $10 and 3 units purchased at $5, then the Item Inventory Value for item X should be $35. In the current process, if the Unit Price of X at the time of report generation is $10, the Item Inventory Value would be computed as $50 (5*10). Modify the use case and the data dictionary to satisfy the manager’s requirement.
1.The computation of Item Inventory Value should be the following in the new use case.
a. Set Item Inventory Value = Unit Price*Current Inventory
b. Set Item Inventory Value = Lot Unit Cost * Lot Current Inventory
c. For Every Purchase Lot #,
Set Item Inventory Value = 0
Set Item Inventory Value = Item Inventory Value + Lot Unit Cost * Lot Current Inventory
End For
d. For Every Purchase Lot #,
Set Item Inventory Value = Item Inventory Value + Lot Unit Cost * Lot Current Inventory
End For
e. None of the above
2.
The trigger for the new use case should be the following.
a. End of each month
b. When a new purchase is made
c. When the current price of any item changes
d. On demand
e. None of the above
3,
Modify the use case and the data dictionary to satisfy the manager’s requirement.
In the new process, each Item Code should have one Unit Price but can have multiple Lot Unit Cost.
True
False
4.
When only the above use case and the data dictionary are changed to meet the new requirement, the change would affect the rest of the model for the new system in the following way(s):
a. No impact on the rest of the model
b. Only the context diagram would change
c. Only the class diagram would change
d. Both context diagram and class diagram would change
e. The use case diagram would change
Answers
For each Item Code, there can be several purchase lots with each purchase lot having a different Unit Cost. Thus, the Item Inventory Value computation should sum the costs of each lot.
The revised computation of Item Inventory Value should be "For Every Purchase Lot #, Set Item Inventory Value = Item Inventory Value + Lot Unit Cost * Lot Current Inventory End For".2. The trigger for the new use case should be the following. a. End of each month The trigger for the new use case should be the end of each month.3. Modify the use case and the data dictionary to satisfy the manager’s requirement.
In the new process, each Item Code should have one Unit Price but can have multiple Lot Unit Costs. This statement is true.4. When only the above use case and the data dictionary are changed to meet the new requirement, the change would affect the rest of the model for the new system in the following way(s): a. No impact on the rest of the model. When only the above use case and the data dictionary are changed to meet the new requirement, there will be no impact on the rest of the model.
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Consider the Common TCP/IP Ports. Companies must understand the purpose and common numbers associated with the services to properly design security. Why is that true and what are common security issues surround common ports?
Answers
Understanding the purpose and common numbers associated with TCP/IP ports is crucial for companies to design effective security measures.
Properly designing security within a company's network requires a comprehensive understanding of the purpose and common numbers associated with TCP/IP ports. TCP/IP ports are numerical identifiers used by the Transmission Control Protocol/Internet Protocol (TCP/IP) to establish communication channels between devices. Each port number corresponds to a specific service or application running on a device, allowing data to be sent and received. By familiarizing themselves with the purpose and common numbers associated with these ports, companies can better configure their security systems to monitor and control the traffic flowing through them.
Common security issues surround the use of common TCP/IP ports. Hackers and malicious actors often exploit vulnerabilities in widely-used ports to gain unauthorized access to systems or launch attacks. For example, port 80, which is commonly used for HTTP (Hypertext Transfer Protocol), is frequently targeted for web-based attacks. Similarly, port 22, used for SSH (Secure Shell) connections, can be exploited to launch brute-force attacks or gain unauthorized access to remote systems. By understanding the potential security risks associated with these common ports, companies can implement appropriate security measures such as firewalls, intrusion detection systems, and access controls to mitigate the risks and protect their networks.
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Create a Group Policy Object for a strong password policy for one of the users. What are the recommended settings for a strong password policy. Explain all options that you set and the justification behind it.
Answers
To create a Group Policy Object (GPO) for a strong password policy, the recommended settings include:
Enforcing a minimum password length (e.g., 8 characters) to ensure an adequate level of complexity.
Requiring a combination of uppercase letters, lowercase letters, numbers, and special characters to increase password strength.
Enforcing password complexity by preventing the use of common words, sequential characters, or repetitive patterns.
Setting a maximum password age (e.g., 90 days) to ensure regular password updates and minimize the risk of compromised credentials.
Enabling account lockout after a certain number of failed login attempts to protect against brute force attacks.
Disabling password history to prevent users from reusing previously used passwords.
Enabling password expiration warning to notify users in advance about upcoming password changes.
Implementing password change frequency based on organizational needs and risk assessment.
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(Compute the volume of a cylinder) Write a program that reads in the radius and length of a cylinder and computes the area and volume using the following formulas:
Answers
The volume of a cylinder can be computed by multiplying the area of the base (circle) by the height (length) of the cylinder. The formula for the volume of cylinder is V = πr²h, where V represents the volume, r is the radius of the base, and h is the height or length of the cylinder.
To calculate the volume of a cylinder using a program, you can follow these steps:
Read the values of the radius and length from the user.
Compute the area of the base by squaring the radius and multiplying it by π (pi).
Multiply the area of the base by the length to obtain the volume.
For example, let's say the user enters a radius of 5 units and a length of 10 units.
Read radius = 5, length = 10.
Compute the area of the base: area = π * (5^2) = 78.54 square units.
Compute the volume: volume = area * length = 78.54 * 10 = 785.4 cubic units.
Therefore, the volume of the cylinder with a radius of 5 units and a length of 10 units is 785.4 cubic units.
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You're a network technician for a small corporate network. The company recently expanded to the second floor of its building. You've already installed a small networking closet on the second floor, and you've run the necessary cables to the ports on each of the floor's fiber patch panels. Now you need to connect the two networks using fiber optic cables. In this lab, your task is to connect the switch in the Networking Closet on Floor 1 with the switch in Networking Closet 2 on Floor 2 through the fiber patch panels in each networking closet. Use the following information to identify the necessary connections: Connect the appropriate fiber cable to switches through the fiber patch panels. For the patch panel on Floor 1:Port 3 is transmit (Tx).Port 4 is receive (Rx). For the patch panel on Floor 2:Port 1 is transmit (Tx).Port 2 is receive (Rx). Use the color coding on the end of fiber optic cables to identify which end is Tx and which is Rx.Connector A (white or red) is Tx.Connector B (black) is Rx. Plug the switch on Floor 2 into a bank 1 critical load outlet on the UPS. Verify that the connection was made by checking the internet connection on any Floor 2 computer
Answers
To connect the switch in the Networking Closet on Floor 1 with the switch in Networking Closet 2 on Floor 2 through the fiber patch panels, you need to use appropriate fiber cables. It is important to know the ports that are transmit (Tx) and receive (Rx) on the fiber patch panels of each floor.
The patch panel on Floor 1 has Port 3 as transmit (Tx) and Port 4 as receive (Rx). The patch panel on Floor 2 has Port 1 as transmit (Tx) and Port 2 as receive (Rx).You also need to use the color coding on the end of fiber optic cables to identify which end is Tx and which is Rx. Connector A (white or red) is Tx and Connector B (black) is Rx.Explanation:In order to connect the switch in the Networking Closet on Floor 1 with the switch in Networking Closet 2 on Floor 2 through the fiber patch panels, the following steps should be followed:Step 1: Use the appropriate fiber cable that connects to the Tx port of one patch panel and the Rx port of another patch panel.
Step 2: Use color coding on the end of fiber optic cables to identify which end is Tx and which is Rx. Connector A (white or red) is Tx. Connector B (black) is Rx.Step 3: Connect Port 3 of the patch panel on Floor 1 to the Tx port on one end of the fiber optic cable. Then connect the Rx port on the other end of the same fiber optic cable to Port 2 of the patch panel on Floor 2. This creates the link between the two switches on each floor.Step 4: Plug the switch on Floor 2 into a bank 1 critical load outlet on the UPS.Step 5: Verify that the connection was made by checking the internet connection on any Floor 2 computer.
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Which feature of AWS IAM enables you to identify unnecessary permissions that have been assigned to users?
Access Advisor
Permissions Advisor
Role Advisor
Group Advisor
Answers
The feature of AWS IAM that enables you to identify unnecessary permissions that have been assigned to users is called Access Advisor.So option a is correct.
AWS IAM is an AWS service that is used to manage user access to AWS services and resources. With AWS IAM, you can create users, groups, and roles, and manage their access to AWS resources by setting permissions. AWS IAM supports multi-factor authentication and provides an audit trail of all IAM user activity.Access Advisor is a feature of AWS IAM that provides visibility into which permissions users in your AWS account are actively using and which permissions are not being used. This helps you to identify unnecessary permissions that have been assigned to users, which can reduce the risk of unauthorized access to AWS resources. Access Advisor displays the last time that each permission was used by a user, so you can determine if a permission is being used and, if not, remove it from the user's permissions.
Therefore option a is correct.
The question should be:
Which feature of AWS IAM enables you to identify unnecessary permissions that have been assigned to users?
(a)Access Advisor
(b)Permissions Advisor
(c)Role Advisor
(d)Group Advisor
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employee_update(d, bonus, year) 2pts Modifies the given dictionary d by adding another key:value assignment for all employees but with a bonus for the next year. You can assume pre previous year exists in the dictionary. Preconditions d: dict bonus: int/float year: int Returns: dict → adds the key:value pair with bonus applied Allowed methods: - dict.keys(0), returns all the keys in a dictionary - List concatenation (+) or append method Methods that are not included in the allowed section cannot be used Examples: ≫> records ={ 2020: \{"John": ["Managing Director", "Full-time", 65000], "Sally": ["HR Director", "Full- time", 60000], "Max": ["Sales Associate", "Part-time", 20000]\}, 2021: \{"John": ["Managing Director", "Full-time", 70000], "Sally": ["HR Director", "Full- time", 65000], "Max": ["Sales Associate", "Part-time", 25000]\}\} ≫ employee_update(records, 7500, 2022) \{2020: \{'John': ['Managing Director', 'Full-time', 65000], 'Sally': ['HR Director', 'Fulltime', 60000], 'Max': ['Sales Associate', 'Part-time', 20000]\}, 2021: \{'John': ['Managing Director', 'Full-time', 70000], 'Sally': ['HR Director', 'Fulltime', 65000], 'Max': ['Sales Associate', 'Part-time', 25000]\}, 2022: \{'John': ['Managing Director', 'Full-time', 77500], 'Sally': ['HR Director', 'Fulltime', 72500], 'Max': ['Sales Associate', 'Part-time', 32500]\}\}
Answers
The function employee_update(d, bonus, year) modifies the given dictionary d by adding another key-value assignment for all employees but with a bonus for the next year.
We can assume the previous year exists in the dictionary. In the function, the bonus value is added to the existing salary of all the employees. We can implement this function as below:def employee_update(d, bonus, year):prev_year = year - 1
for key in d[prev_year].
keys():sal = d[prev_year][key][2]d[year][key]
= [d[prev_year][key][0], d[prev_year][key][1], sal+bonus]return d
Here, we take the previous year, and for every key in the dictionary of the previous year, we calculate the salary by taking the salary value at the third index in the list of values associated with that key, add the bonus value, and then create a new key in the dictionary of the given year and assign the list of values in the same way as in the previous year. Finally, we return the modified dictionary
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Complete the following Programming Assignment using Recursion. Use good programming style and all the concepts previously covered. Also include the UML and Pseudo-Code. 5. Palindrome Detector A palindrome is any word, phrase, or sentence that reads the same forward and backward. Here are some well-known palindromes: Able was I, ere I saw Elba A man, a plan, a canal, Panama Desserts, I stressed Kayak Write a boolean method that uses recursion to determine whether a string argument is a palindrome. The method should return true if the argument reads the same forward and backward. Demonstrate the method in a program.
Answers
A palindrome detector can be created using recursion in Java. The function can take a string as input and use the char At function to compare the first and last characters of the string. If the first and last characters are the same, then the string can be considered a palindrome.
To create a boole an method that uses recursion to determine whether a string argument is a palindrome, the steps that can be followed are as follows:
In this step, a method can be created that takes a string as its input. public static boolean is Palindrome(String str)
Once the string is entered, the method can convert the string into all lowercase or all uppercase letters. The purpose of this is to eliminate the problem of mixed case string comparison,
The length of the string can be calculated by using the length function. int length = str.length
If the length of the string is less than or equal to 1, then the string will be considered as a palindrome.
In order to compare the first and last characters of the string, the char At function is used. If the first and last characters are the same, then the string can be considered a palindrome.
If the first and last characters of the string are not the same, then the string cannot be considered a palindrome. The function will return false in such cases. return false;
In Java, a palindrome detector can be created by using recursion. The steps for creating such a detector are given above. The first step is to create a method that takes a string as input. Once the string is entered, the method can convert the string into all lowercase or all uppercase letters to eliminate the problem of mixed case string comparison. The length of the string can be calculated using the length function. If the length of the string is less than or equal to 1, then the string can be considered as a palindrome. The function can then compare the first and last characters of the string using the char At function. If the first and last characters are the same, then the string can be considered a palindrome. If the first and last characters of the string are not the same, then the string cannot be considered a palindrome. The function will return false in such cases.
A palindrome detector can be created using recursion in Java. The function can take a string as input and use the char At function to compare the first and last characters of the string. If the first and last characters are the same, then the string can be considered a palindrome. If the first and last characters of the string are not the same, then the string cannot be considered a palindrome. The function will return false in such cases.
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Into which class of networks do the following IP addresses fall? a. 10.104.36.10 b. 192.168.1.30 c. 172.217.3.110
Answers
a. The IP address 10.104.36.10 falls into Class A network.
b. The IP address 192.168.1.30 falls into Class C network.
c. The IP address 172.217.3.110 falls into Class B network.
Into which class of networks do the following IP addresses fall?a. 10.104.36.10
b. 192.168.1.30
c. 172.217.3.110
a. The IP address 10.104.36.10 falls into Class A network. In Class A, the first octet (8 bits) of the IP address is used for network identification, and the remaining three octets are for host addresses. Class A networks can support a large number of hosts but have fewer network addresses.
b. The IP address 192.168.1.30 falls into Class C network. In Class C, the first three octets (24 bits) of the IP address are used for network identification, and the last octet is for host addresses. Class C networks are suitable for small to medium-sized networks as they provide a larger number of network addresses compared to Class A or B.
c. The IP address 172.217.3.110 falls into Class B network. In Class B, the first two octets (16 bits) of the IP address are used for network identification, and the last two octets are for host addresses. Class B networks strike a balance between Class A and Class C, offering a moderate number of network addresses.
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Prepare a 4-bit CRC to transmit your initials using the polynomial 0x13 (If your name has more than two initials or is not in ASCII, choose your favorite 2 English letters). Calculate the CRC using polynomial division. Show each step as demonstrated in the class slides. (a) What initials are you using? (b) What are these initials in binary when encoded in 8-bit ASCII? (c) After adding space for the CRC, what is the message polynomial you will be dividing by the 0x13 polynomial? (d) What does 0×13 look like when transformed into a polynomial? (e) What is the remainder? Show your work using polynomial division. (f) What is the full binary message you will send including the CRC?
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The initials used for the CRC calculation are "XY". The binary representation of these initials in 8-bit ASCII is 01011000 01011001. The message polynomial that will be divided by the 0x13 polynomial, after adding space for the CRC, is 01011000 01011001 0000. The polynomial 0x13, when transformed into binary, is 00010011. The remainder obtained after performing the polynomial division is 0001. The full binary message to be sent, including the CRC, is 01011000 01011001 0000 0001.
To transmit the initials "XY" using a 4-bit CRC and the polynomial 0x13, we first need to convert the initials into their binary representation in 8-bit ASCII. In ASCII, the letter 'X' corresponds to 01011000 and the letter 'Y' corresponds to 01011001.
Next, we add space for the CRC by appending four zeros to the end of the binary representation of the initials. So, the message polynomial becomes 01011000 01011001 0000.
The polynomial 0x13, in binary form, is 00010011. This polynomial will be used for the polynomial division.
We perform polynomial division by dividing the message polynomial by the polynomial 0x13. We start by aligning the most significant bits of the two polynomials and perform XOR operations. We continue this process until we reach the end of the message polynomial.
After performing the polynomial division, we obtain a remainder of 0001.
Finally, we combine the message polynomial and the remainder to form the full binary message that will be sent. So, the full binary message, including the CRC, is 01011000 01011001 0000 0001.
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Take file_exists() out of main.c, and put it into a file called my_which_lib.c 2. Create a header file called my_which. h, and write a function signature for inside. It's just 1 line of code. 3. Make sure you include my_which.h inside of 4. Move all source files (main.c, my_which.h, and my_which_lib.c) into a folder called 5. Create a makefile called - static: compiles into a static library called . Move any intermediate objects into don't exist. into a shared library called libmy_which. so. Move this file into a subdirectory called . Move any intermediate objects into This directive should make those directories if they don't exist. - all: compiles main.c into the executable. It should statically link to Move the finished executable into . Move any intermediate objects into This directive should make those directories if they don't exist. - clean: removes all build artifacts including the build directories.
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The task outlined above involves organizing and structuring a code project by performing several file and directory operations, creating header files, and writing a makefile.
To implement the given requirements, follow these steps:
1. Remove the `file_exists()` function from `main.c` and place it in a separate file called `my_which_lib.c`.
2. Create a header file named `my_which.h` and write the function signature for `file_exists()` inside it. The function signature should be a single line of code.
3. Make sure to include `my_which.h` inside `my_which_lib.c` using the `#include` directive.
4. Move all source files (`main.c`, `my_which.h`, and `my_which_lib.c`) into a folder called ``.
5. Create a makefile named `Makefile` with the following directives:
`static`: Compiles into a static library called ``. Move any intermediate objects into `/obj` directory. This directive should create the directory if it doesn't exist.`shared`: Compiles into a shared library called `libmy_which.so`. Move this file into a subdirectory called `/lib`. Move any intermediate objects into `/obj` directory. This directive should create the directories if they don't exist. `all`: Compiles `main.c` into the executable. It should statically link to ``. Move the finished executable into `/bin`. Move any intermediate objects into `/obj` directory. This directive should create the directories if they don't exist.`clean`: Removes all build artifacts including the build directories.Make sure to replace `` and `` with appropriate names according to your project requirements. Make sure you run the appropriate make target (`static`, `shared`, or `all`) to compile the desired version of the project. For example, running `make all` will compile `main.c` into the executable, statically linking to the `libmy_which.a` library.
Lastly, running `make clean` will remove all build artifacts, including the `build` directories.
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We have discussed that device availability is a significant problem for loT. What are the primary reasons for this problem? (Select all that apply.) IoT devices are often mobile and hence can change context very fast. IoT devices always operate offline. Resources available in loT devices are not guaranteed because these are not dedicated systems. All computing devices are inherently unreliable. 10. Why is resource prediction important in loT-based applications? Resource prediction prevents application failure by proactively doing device recruitment. Resource prediction enables faster application execution by proactively running code that may be required in the future. Resource prediction powers devices in IoT by using energy harvesting sources. None of the above
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The correct option for the importance of resource prediction in IoT-based applications is: Resource prediction enables faster application execution by proactively running code that may be required in the future.
The primary reasons for device availability problems in IoT are:
IoT devices are often mobile and can change context very fast: This can result in devices being unavailable or out of range, causing connectivity issues and hindering communication with other devices or the central system.IoT devices do not always operate online: Many IoT devices are designed to operate in disconnected or intermittent connectivity scenarios. This can lead to periods of unavailability when the devices are unable to connect to the network or communicate with the central system.Resources available in IoT devices are not guaranteed because these are not dedicated systems: IoT devices often have limited resources such as processing power, memory, and energy. These resources may vary depending on the device's capabilities and constraints, making it challenging to predict their availability at any given time.All computing devices are inherently unreliable: Like any other computing device, IoT devices can experience hardware failures, software bugs, or other issues that can lead to downtime and unavailability.Regarding the second part of your question, the important role of resource prediction in IoT-based applications is to enable faster application execution by proactively running code that may be required in the future. By predicting the available resources and the potential demands of the application, proactive resource allocation and scheduling can be performed, ensuring efficient utilization of the IoT devices and reducing delays or failures in executing critical tasks.
Therefore, the correct option for the importance of resource prediction in IoT-based applications is: Resource prediction enables faster application execution by proactively running code that may be required in the future.
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