To determine if an IP address is being blocked or if SSH traffic is being blocked, I would do the following:
Check the firewall settings on the computer or network. This can be done by accessing the router or firewall settings and looking for any rules that block specific IP addresses or traffic on specific ports (such as port 22 for SSH traffic).
Try to access the computer using the IP address from a different device or location. If the connection is refused or times out, it could be an indication that the IP address is being blocked.
Try to connect to the computer using SSH from a different device or location. If the connection is refused or times out, it could be an indication that SSH traffic is being blocked.
Check the system or application logs for any error messages or alerts related to blocked IP addresses or traffic.
To prevent a host from being allowed to access a system for SSH, I would do the following:
Configure the firewall to block incoming traffic on port 22 from the specific IP address or range of IP addresses.
Configure the SSH server to only accept connections from specific IP addresses or ranges of IP addresses.
Use an intrusion detection system (IDS) or intrusion prevention system (IPS) to monitor and block attempts to connect to the SSH server from unauthorized IP addresses or ranges of IP addresses.
Use access control lists (ACLs) to limit access to the SSH server to specific users or groups of users.
Use a combination of these methods for maximum security, such as using a firewall to block traffic from unauthorized IP addresses, and then using access controls to limit the users that can connect to the server once the traffic is allowed.
Data transformation can change the structure of the data. an example of this is taking data stored in one format and converting it to another.
True
False
Data transformation can alter the data structure.an example of this is taking data stored in one format and converting it to another is true.so the corrcet is True.
The process of changing data from one format or structure to another is known as data transformation in computing. It is a key component of the majority of data management and integration tasks, including data wrangling, data warehousing, data integration, and application integration.Another type of data transformation is a master data recast, which involves transforming or recasting the entire database's contents without removing the data from the source.
A network of foreign key constraints establishes a direct or indirect relationship between every piece of data in a well-designed database and a small number of master database tables. A distinct database index from the parent database table is a need for each foreign key constraint. Therefore, the directly and indirectly associated data are also recast or restated when the appropriate master database table is recast with a different unique index. Since the original unique index is still present together with the master data, the directly and indirectly linked data can still be examined in its original format.
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A successful computer software corporation has decided to launch a charitable giving program that provides tuition grants to young women planning to study computer programming in college. By doing so, the corporation hopes to increase diversity in the field.How would a social contract theorist evaluate this decision?The corporation is acting ethically because it is practicing the ideals of generosity and liberality.The corporation is acting ethically because, since the company benefits from the stability and security that the nation provides, it has a duty to support principles that the nation values, such as diversity.The corporation is acting unethically because the total good it will do by providing grants to women is cancelled out by the total harm it will do to men who cannot receive the grants.The corporation is acting unethically because its primary duty is to its shareholders, and diverting funds to charitable giving will not increase profits.
A social contract theorist would likely evaluate this decision as ethical, with the rationale that the corporation has an obligation to support the values and principles of the nation.
What is social contract?According to social contract theories, people have often agreed to give up part of their liberties and submit to authority (the ruler or the will of the majority) in exchange for the protection of any remaining rights or the maintenance of something like the social order, either expressly or tacitly.
This includes promoting diversity and providing opportunities to those who may not have them otherwise. By providing tuition grants to young women planning to study computer programming, the corporation is taking proactive steps towards increasing diversity in the field and making a positive contribution to society. Furthermore, it is also beneficial to the corporation, as it can help attract and retain talented employees and build a positive reputation within the industry.
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patent fingerprints, or visible fingerprints, are left on a smooth surface when blood, ink, or some other liquid comes in contact with the hands and is then transferred to that surface
When blood, ink, or another liquid comes into touch with the hand and is then transferred to the surface, it leaves a smooth surface with patent fingerprints, or visible fingerprints. It's accurate .
What is a patent fingerprint ?Visual and direct patent fingerprints A visible fingerprint is one that appears on a surface after being transferred there by fingertips that have touched it while wearing blood, ink, or another colored substance. When blood, ink, or another liquid contacts the hands and is then transferred to the surface, it leaves patent fingerprints, also known as visible prints, on the smooth surface.
Actual indentations left in soft materials like clay, putty, or wax are known as plastic fingerprints. When ink or blood, for example, is on your fingertips and you contact a smooth surface, a patent print is what is left behind. To the unaided eye, it is obvious. When you touch something soft and flexible, like hot wax or fresh paint, you effectively leave behind plastic prints.
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the mapped network drive cannot be created this user can't sign in because account is currently disabled
Unfortunately, if the user's account is currently disabled, they will not be able to sign in to create the mapped network drive. You will need to enable their account to allow them to do so.
What is network drive?A network drive is a shared storage space on a computer network where users can store, access, and share files. It is a file server that allows multiple users to access the same files and folders simultaneously, in a secure and convenient way. By connecting multiple computers together, users on a network can access the same files, regardless of where they are located. This is especially useful for businesses and organizations with multiple offices or locations. Network drives are also useful for sharing large files that would be too large to send by email.
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You need a topology that is scalable to use in your network. Which of the following will you install? A. Bus B. Ring C. Star D. Mesh.
The best topology to use in a network that needs to be scalable is a Star topology.
What is topology?Topology is a branch of mathematics that studies the properties of geometric objects that are preserved under continuous deformations. It deals with the study of shapes and spaces and how they can be related to each other. It is related to the study of networks and how they interact with each other.
This topology allows for the addition of new nodes without changing the overall design of the network. The star topology is also the easiest to troubleshoot and maintain, and can support a large number of nodes. Each node in the star topology is connected to a central switch or hub, which simplifies the management of the network and can help reduce costs.
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complete the javascript code to set the paragraph's inline style to use the times font family and remove the paragraph's margin property.
in javascript:
// Get the paragraph element
var paragraph = document.getElementById("myParagraph");
// Set the font-family property to Times
paragraph.style.fontFamily = "Times";
// Remove the margin property
paragraph.style.margin = "0";
CSS:
.times-font-no-margin{
font-family: Times;
margin: 0;
}
Make Violet's Present value span all three columns. Make Schroeder's Excused value span the Tuesday and Wednesday columns.AttendanceStudentMondayTuesdayWednesdayVioletPresentPresentN/ASchroederPresentExcusedN/AExpected webpage
The term "Span Value" refers to the top limit of the measurement range for gas concentrations that is prescribed for impacted source categories in the relevant part of the regulations.
Can a span have a value?The term "Span Value" refers to the top limit of the measurement range for gas concentrations that is prescribed for impacted source categories in the relevant part of the regulations.In most cases, the span value is 1.5 to 2.5 times the applicable emission limit and is specified in the relevant legislation.There is no value property on span elements.Use text() or html() instead for the text nodes or the HTML.The "span" element is an inline container that is used to mark up specific passages of text or sections of documents.Using JavaScript's class or id attribute, the span tag can be easily decorated with CSS or modified.Like the div element, the span tag is an inline element, while div is a block-level element.To learn more about Span refer
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which is tools are used to manage project time, and show dependencies between tasks?
The most common tools used to manage project time and show dependencies between tasks are Gantt Charts and Project Management Software.
What is the Software ?Software is a set of instructions, data, or programs used to operate computers and execute specific tasks. Software is typically stored on digital or analog media, such as hard drives, CDs, DVDs, or flash memory. It is an integral part of computer systems and is a major component in the development and maintenance of modern technology. Software can range from application programs such as word processors, spreadsheets, and databases, to system programs such as operating systems, device drivers, and firmware. It can also include web applications, mobile apps, artificial intelligence, and machine learning. Software can be developed by individuals, groups, or organizations, as well as by governments.
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write the method resize, which returns a new two-dimensional array containing only rows from array2d with all non-zero values. the elements in the new array should appear in the same order as the order in which they appeared in the original array. the following code segment initializes a two-dimensional array and calls the resize method. int[][] arr
A multi-dimensional array is one that has more than one dimension. 2-D and 3-D arrays are the most often used multi-dimensional arrays.
Any higher dimensional array, we can say, is essentially an array of arrays.
// java program showing declaration of arrays
import java.io.*;
class GFG {
public static void main(String[] args)
{
int[][] integer2DArray; // 2D integer array
String[][] string2DArray; // 2D String array
double[][] double2DArray; // 2D double array
boolean[][] boolean2DArray; // 2D boolean array
float[][] float2DArray; // 2D float array
double[][] double2DArray; // 2D double array
}
}
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write a method that takes as argument an integer size and returns an integer array of that size. the method should allocate a new array of int and return it. examples: makearray(5) -> {0, 0, 0, 0, 0}
In this Java program, array size is 5 and the this array returns the integer value as {0, 0, 0, 0, 0}.
public class Main
{
// method to print an array.
private static void printArray(int[] intArray){
System.out.println("Array contents printed through method:");
// using for-each loop to print
for(int val: intArray)
System.out.print(val + " ");
}
public static void main(String[] args) {
// integer array
makearray = new int[5];
// call printArray method.
printArray(makearray);
}
}
A data structure called an array can hold a fixed-size group of identically data-typed elements.
As a result, it is simpler to determine the position of each element by simply adding an offset to a base value, or the address in memory where the array's first member is stored (generally denoted by the name of the array). The base value is index 0, and the offset is the difference between the two indexes.
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Tony works as a Sorter in a processing factory. Which qualifications does he most likely have?
Answer:
It is likely that Tony has qualifications related to manual labor and/or factory work, such as experience operating machinery, knowledge of safety procedures, and attention to detail. A high school diploma or equivalent is typically sufficient for this type of job. However, it is worth noting that different factories may have different qualifications and requirements for a Sorter position, so it is possible that Tony may have additional qualifications specific to the factory where he works.
Explanation:
Consider the following code segments. Code segment 2 is a revision of code segment 1 in which the loop increment has been changed.
Code Segment 1
int sum = 0;
for (int k = 1; k <= 30; k++)
{
sum += k;
}
System.out.println("The sum is: " + sum);
Code Segment 2
int sum = 0;
for (int k = 1; k <= 30; k = k + 2)
{
sum += k;
}
System.out.println("The sum is: " + sum);
Code segment 1 prints the sum of the integers from 1 through 30, inclusive. Which of the following best explains how the output changes from code segment 1 to code segment 2 ?
Code segment 1 and code segment 2 will produce the same output.
A. Code segment 2 will print the sum of only the even integers from 1 through 30, inclusive because it starts sum at zero, increments k by twos, and terminates when k exceeds 30.
B. Code segment 2 will print the sum of only the odd integers from 1 through 30, inclusive because it starts k at one, increments k by twos, and terminates when k exceeds 30.
C. Code segment 2 will print the sum of only the even integers from 1 through 60, inclusive because it starts sum at zero, increments k by twos, and iterates 30 times.
D. Code segment 2 will print the sum of only the odd integers from 1 through 60, inclusive because it starts k at one, increments k by twos, and iterates 30 times.
Code segment 2 will print the sum of only the odd integers from 1 through 30, inclusive because it starts k at one, increments k by twos, and terminates when k exceeds 30.
What is code segment?Code segment is a segment in computer memory where the executable code is stored. This segment is also known as the text segment. It stores the instructions of a program that must be executed. Code segment is a read-only segment and contains the code of subroutines, functions, and other methods. It is not allowed to write or modify the code segment. Code segment is a part of the process image and is loaded into the memory when a process is created. It is one of the segments of a program that is loaded into the main memory when the program is executed. The code segment is used to store the instructions that are to be executed by the CPU. It also contains the data that is needed by the program for execution. The code segment is a very important component of a computer system and helps the CPU to execute the instructions.
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true/false. a system-wide example of this is total quality management. this type of change affects performance appraisal and rewards, decision-making, and communication and information-processing systems. changing how inputs are transformed into outputs
True. Total Quality Management (TQM) is a system-wide approach to improvement that affects multiple areas of an organization. It involves changing performance appraisal and rewards, decision-making, and communication and information-processing systems in order to improve the overall quality of the organization's products or services. TQM also focuses on how inputs are transformed into outputs, and how to improve that process in order to increase efficiency and effectiveness.
. you find a list of numbers on the kitchen counter, but you aren't sure what the numbers represent. this is an example of: data. information. the cloud. binary.
Digital devices use the binary number system, also known as base 2, to represent numerical data. There are only two digits in the binary number system: 0 and 1. Since there is no number in the system that is similar to 2, the binary representation of the number "two" is 10 (pronounced "one zero").
How are binary data files stored in computers?The hard disc drive is where binary data is primarily kept (HDD). A spinning disc (or discs) with magnetic coatings and heads that can read and write data in the form of magnetic patterns make up the device.
What is an example of binary image?A binary image is one with only two possible colors for each of its pixels, typically black and white.
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which of the following technologies is specifically developed to move designs into production? computer-integrated manufacturing (cim) computer-aided manufacturing (cam) flexible manufacturing systems (fms) computer-aided design (cad)
Computer-Aided Manufacturing (CAM) is specifically developed to move designs into production. It is a system that uses computer technology to control the process of manufacturing products.
What is computer technology?Computer technology is the use of computers to store, retrieve, transmit and manipulate data, or information, often in the context of a business or other enterprise. It includes hardware components such as computers, laptops and mobile devices, as well as software applications, operating systems and programs. It also includes networks such as the Internet, intranets and extranets, which allow users to connect to the Web and access data from anywhere in the world.
CAM is used to control and automate machines used in the manufacturing process, such as lathes, mills, routers, and grinders. This technology can help reduce labor costs, improve product quality, and increase production efficiency.
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Identify a behavior that is considered unusual or abnormal in your own culture; however, it would be considered normal and expected in another culture
How each culture views normal and abnormal behaviour is one area that cultural psychiatry examines. The notion of what constitutes normal behaviour differs from culture to culture and across the globe.
What does modern society consider to be abnormal behaviour?Behavior that is distressing, maladaptive (or self-defeating), disturbing (socially unacceptable), and frequently the result of distorted thoughts is considered abnormal behaviour (cognitions).
What constitutes an abnormal behaviour, exactly?Depression is a good example of an abnormal behaviour that can be evaluated using a multi-criteria approach because it is frequently viewed as a departure from ideal mental stability, it frequently prevents the person from "functioning" in normal life, and even though it is a statistically uncommon mental disorder, it is still relatively common.
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a list of numbers has n elements, indexed from 1 to n. the following algorithm is intended to display true if the value target appears in the list more than once and to display false otherwise. the algorithm uses the variables position and count. steps 4 and 5 are missing. step 1: set count to 0 and position to 1. step 2: if the value of the element at index position is equal to target, increase the value of count by 1. step 3: increase the value of position by 1. step 4: (missing step) step 5: (missing step) which of the following could be used to replace steps 4 and 5 so that the algorithm works as intended? responses step 4 repeat steps 2 and 3 until the value of position is greater than n. step 5 if count is greater than or equal to 2, display true. otherwise, display false.
Step 4: Repeat steps 2 & 3 until the value of position is greater than 'n'.
Step 5: If count is greater than/equal to 2, display 'true'. Otherwise, display 'false'.
What is an algorithm?An algorithm is a step-by-step process that specifies a set of instructions that must be followed in a certain order to produce the desired result. An algorithm can be implemented in more than one programming language because algorithms are frequently developed independently of the underlying languages.
A few attributes of an algorithm include clarity, excellence, effectiveness, and language independence. An algorithm's importance is primarily influenced by its performance and ability to scale.
An algorithm is a set of instructions that a computer must follow in order to perform calculations or other problem-solving tasks. A formal definition of an algorithm states that it is a finite set of instructions that are followed in a particular order to complete a specific task.
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identify the correct nominative pronoun for the antecedent microsoft corporation.identify the correct nominative pronoun for the antecedent microsoft corporation.
"antecedent" is the correct nominative pronoun for the antecedent Microsoft corporation.
Microsoft Corporation is the world's leading developer of computer software systems and applications. In addition, the company publishes books and multimedia titles, manufactures its own hybrid tablet computers, provides e-mail services, and sells electronic game systems and computer peripherals (input/output devices). It has sales offices located all over the world. Microsoft has research labs in Cambridge, England (1997), Beijing, China (1998), Bengaluru, India (2005), Cambridge, Massachusetts (2008), New York, New York (2012), and Montreal, Canada (2015).
Bill Gates and Paul G. Allen, two Seattle high school friends, converted BASIC, a popular mainframe computer programming language, for use on the Altair, an early personal computer (PC).
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Which of the following are large, expensive, powerful computers that can handle hundreds or thousands of connected users simultaneously and store tremendous amounts of data, instructions, and information?A. embedded computers
B. supercomputers
C. mainframes
D. mobile devices
A mainframe is a huge, pricey, and potent computer that can manage hundreds or thousands of concurrently connected users. Large volumes of data, instructions, and information are stored on the mainframes.
What kind of computer is the most potent and most expensive?The appropriate response is Supercomputer. A computer that performs better than a general-purpose computer is called a supercomputer. a strong multi-user computer that can handle hundreds or thousands of users at once.
Which of the following statements accurately describes a large, expensive, powerful computer that can support hundreds or thousands of linked users?A mainframe is now a very large, expensive computer that can handle hundreds or even thousands of simultaneous users.
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Consider the following code segment, which is intended to print the sum of all elements of an array.
int[] arr = {10, 5, 1, 20, 6, 25};
int sum = 0;
for (int k = 0; k <= arr.length; k++)
{
sum += arr[k];
}
System.out.println("The sum is " + sum);
A runtime error occurs when the code segment is executed. Which of the following changes should be made so that the code segment works as intended?
(A) The for loop header should be replaced with for (int k = 0; k < arr.length; k++).
(B) The for loop header should be replaced with for (int k = 0; k <= arr.length; k--).
(C) The for loop header should be replaced with for (int k = 1; k <= arr.length - 1; k++).
(D) The statement in the body of the for loop should be replaced with sum += arr[0].
(E) The statement in the body of the for loop should be replaced with sum += arr[k - 1].
The for loop header should be replaced with for (int k = 0; k < arr.length; k++).
What is loop?Loop is a programming construct that allows a set of instructions to be repeated multiple times. It is one of the fundamental building blocks of programming and can be used to perform a wide variety of tasks. Loops can be used to iterate through collections of data, such as arrays and lists. They can be used to execute a set of instructions a specific number of times, or until a certain condition is met. Loops can also be used to create complex algorithms that would be difficult to achieve with traditional programming. Loops are an essential tool for any programmer and should be understood by all developers.
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An attacker can exploit a weakness in a password protocol to calculate the hash of a password. Which of the following can the attacker match the hash to, as a means to obtain the password? (Select all that apply.) A. Pre-Shared Key (PSK) B. Dictionary attack C. Rainbow table D. Wi-Fi Protected Access (WPA)
The correct options are: (B) Dictionary attack and (C) Rainbow Table
A Dictionary Attack is just an attack vector used by an attacker to break into a password-protected system by using every word found in a dictionary as a password for that system. This type of assault vector is a Brute Force Attack.The dictionary can comprise terms from an English dictionary as well as a leaked list of widely used passwords, which, when combined alongside common character replacement with digits, can be quite successful and fast at times.Essentially, it is testing every single word that has previously been prepared. It is accomplished through the use of automated technologies that test all potential terms in the dictionary.The difference between a dictionary attack and a brute force attack is that a huge variety of key permutations be checked in a brute force attack, but a dictionary attack checks only the words with the highest chances of success and takes less time than a brute force attack.You can defend yourself against such attacks by using a combination of lower and upper case letters, numbers, and special characters (i.e. special characters).The password must consist of a long string of characters. The longer it is, more and more time it takes to crack.To know more about cyber attacks visit:
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which of the following involves the insertion of various data retrieval statements into an application?
The introduction of multiple data recovery statements into a program is a component of query optimization.
What is data
Data is information that is organized and can be processed digitally. It can be used to answer questions and draw conclusions about a given subject. Data can take many different forms, including numbers, words, images, audio, and video. Data is a powerful tool for businesses, governments, and organizations, as it can be used to make decisions, analyze trends, and develop strategies.
Data that a computer uses to conduct actions on amounts, letters, or symbols is kept and recorded on magnetic, optical, electronic, or structural storage media and sent as digital optical or electrical signals. Peripheral devices are used by computers to transfer data in / out.
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If we write a program in a programming language and switch to SQL when we require to use the database, then the SQL environment in use is known as _______ SQL.
Select one:
a. Real-time
b. Dynamic
c. PL
d. Embedded
Sql, PowerBuilder, and OLAP (online analytical processing) tools are examples of databases that may be accessed using fourth generation language (or 4GL) programming languages.
Any computer programming language that is thought to represent an improvement over third-generation programming languages is referred to as a fourth-generation programming language. The fourth-generation language is sometimes known as a 4GL or non-procedural language. Users can access the database thanks to it. Examples include SQL, FoxPro, and Focus. These languages are also straightforward to learn. A series of computer languages known as the fourth generation (or 4GL) seek to resemble human language, cognition, and conceptualization more than third-generation languages (3GLs). In terms of overall software development time, effort, and money, 4GLs will be saved. A fourth-generation language is sometimes known as a non-procedural language or 4GL. Users can access the database thanks to it.
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Which of the following answers refer to common battery types that can be found in modern portable devices? Nickel-Iron (Ni-Fe) Lithium-ion (Li-ion)
Lithium-ion (Li-ion) batteries are typical types of batteries found in current portable gadgets.
What do you mean by battery ?
A battery is an electronic device that converts electrical energy into chemical energy. It may contain one or maybe more electrical cells. Every battery is essentially a galvanic cell that creates chemical energy via redox reactions across two electrodes. A battery is a device that converts the chemical energy contained through its active components directly into electric energy via an electrochemical oxidation-reduction (redox) cycle. In this type of reaction, an electric circuit is utilized to transfer electrons of one material to another.
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assume that the following code exists inside a method of the class myclass, and that this code compiles without errors: int result
It uses a mutator technique. A mistake could also happen if you neglect to import a necessary Java package. Consider the following application, which allows the user to enter an integer:
public class Test {
public static void main(String[] args) {
my_method();
}
public static void my_method() {
System.out.println("Hello, world!");
}
}
public class Test {
public static void main(String[] args) {
Scanner console = new Scanner(System.in);
int n = console.nextInt();
}
}
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You just purchased new switches for you company's network. Your junior technicians are doing most of the work connecting switches to workstations and to each other, and you don't want to confuse them by requiring them to use both patch cables and crossover cables. How can you test the switches to determine whether you need both types of cable, and what's the feature for using only one type of cable for all connections?
Choose matching definition
O Network changes are reflected in the routing table automatically-They add routing table entries dynamically
O Deencapsulates the frame to create a packet. Encapsulates the packet to create a new frame
O Router and Switches with VLANs
O Connect two switches by using a patch cable. If the connection works, the switch supports auto-MDIX.
Once every router taking part in the routing protocol process has received all the information that is specific to that protocol, the state of convergence is reached.
What is convergence?Having the same topological knowledge about the internetwork they are operating in, a group of routers is said to be convergent. In order for a group of routers to be said to have converged, they had to have obtained from one another via the routing protocol in use all the topology information that was available, ensure that no router in the group's topology information was in conflict with it, and reflect the network's actual state. Alternatively said, in a converged network, the network architecture is "agreed" upon by all routers. For a group of routers involved in dynamic routing, convergence is a crucial concept. Convergence is essential to the operation of all Interior Gateway Protocols.It is typical for an operating autonomous system to have reached convergence. Because of how broad the Internet is and how slow updates can be propagated, the Exterior Gateway Routing Protocol (BGP) often never converges.To Learn more About convergence refer TO:
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Select the main reason for the initial development of the World Wide Web from the list below.
Select one:
a. to allow companies to conduct commerce over the Internet
b. to allow communication between researchers and links between research papers Correct
c. None of these
d. to allow companies to advertise over the Internet
The World Wide Web was initially developed by Tim Berners-Lee in 1989 as a way to allow communication between researchers and to link research papers. It was later developed to facilitate commerce and advertising over the Internet.
What is World Wide Web?The World Wide Web (WWW) is an online information system that connects millions of computers and devices around the world. It is a global network of websites, webpages, and other documents that can be accessed via the Internet. The World Wide Web was invented in 1989 by Sir Tim Berners-Lee, a British computer scientist. It was initially developed to facilitate the sharing of information between universities and research institutes.
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If managed improperly, which of the following would be most detrimental to access management of cloud-based storage resources?
NOT Encryption
NOT Private subnet
Maybe Resource Policies
If managed improperly, resource policies would be the most detrimental to access management of cloud-based storage resources.
what are resource policies?
These policies are used to control access to specific resources or groups of resources, such as a particular bucket or folder in a storage service. If these policies are not set up correctly, it could lead to unauthorized access to sensitive data or misuse of resources.Encryption and private subnets can also help with access management but they are not the most critical aspect, it is mainly an additional layer of security.In cloud-based storage, resource policies are used to limit access to particular resources or collections of resources. They can be used to give or take away permissions for particular operations, including reading, writing, or deleting data, to users, groups, or programmes. These rules can be used at several levels, such the bucket level for a storage service or the folder level for a file storage service.Resource policy include, for instance:
granting readers access to a select range of users for a specified storage service bucketdenying a certain user or application in a file storage service access to write to a specific folderRenew your effortTo learn more about resource policy refer to :
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1. A way to discover which of two classes is the base class and which is the subclass is to . a. look at the class size b. try saying the two class names together c. use polymorphism d. Both a and b are correct. 2. Employing inheritance reduces errors because . a. the new classes have access to fewer data fields b. the new classes have access to fewer methods c. you can copy methods that you already created d. many of the methods you need have already been used and tested 3. A base class can also be called a . a. child class b. subclass c. derived class d. superclass 4. Which of the following choices is the best example of a parent class/child class relationship? a. Rose/Flower b. Present/Gift c. Dog/Poodle d. Sparrow/Bird 5. The Java keyword that creates inheritance is . a. static b. enlarge c. extends d. inherits 6. A class named Building has a public, nonstatic method named getFloors(). If School is a child class of Building, and modelHigh is an object of type School, which of the following statements is valid? a. Building.getFloors(); b. School.getFloors(); c. modelHigh.getFloors(); d. All of the previous statements are valid. 7. Which of the following statements is true? a. A child class inherits from a parent class. b. A parent class inherits from a child class. c. Both of the preceding statements are true. d. Neither a nor b is true. 8. When a subclass method has the same name and argument types as a superclass method, the subclass method the superclass method. a. overrides b. overuses c. overloads d. overcompensates 9. When you instantiate an object that is a member of a subclass, the constructor executes first. a. subclass b. child class c. extended class d. parent class 10. The keyword super always refers to the of the class in which you use it. a. child class b. derived class c. subclass d. parent class 11. If the only constructor in a superclass requires arguments, its subclass . a. must contain a constructor b. must not contain a constructor c. must contain a constructor that requires arguments d. must not contain a constructor that requires arguments 12. If a superclass constructor requires arguments, any constructor of its subclasses must call the superclass constructor . a. as the first statement b. as the last statement c. at some time d. multiple times if multiple arguments are involved 13. A child class Motorcycle extends a parent class Vehicle. Each class constructor requires one String argument. The Motorcycle class constructor can call the Vehicle class constructor with the statement . a. Vehicle("Honda"); b. Motorcycle("Harley"); c. super("Suzuki"); d. none of the above 14. In Java, the concept of keeping data private is known as . a. polymorphism b. information hiding c. data deception d. concealing fields 15. If you create a data field or method that is , it can be used within its own class or in any classes extended from that class. a. public b. protected c. private d. both a and b 16. Within a subclass, you cannot override methods. a. public b. private c. static d. constructor 17. You call a static method using . a. the name of its class, a dot, and the method name b. the name of the class’s superclass, a dot, and the method name c. the name of an object in the same class, a dot, and the method name d. either a or b 18. You use a method access specifier when you create methods for which you want to prevent overriding in extended classes. a. public b. protected c. final d. subclass 19. A compiler can decide to a final method—that is, determine the code of the method call when the program is compiled. a. duplicate b. inline c. redline d. beeline 20. When a parent class contains a static method, child classes override it. a. frequently b. seldom c. must d. cannot
Try reciting the names of the two classes together to determine polymorphism which is the base class and which is the subclass.
When the name and type of arguments for a superclass method and a subclass method are the same?In addition, a subclass can define a method with the exact same method signature—that is, with the same name and set of parameter types—as a method in its superclass. The method in the subclass then effectively substitutes the implementation of the method in the superclass by overriding it.
When an object that belongs to a subclass is created?The base class and the derived class's constructors are invoked when an object that belongs to a subclass is created.
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Which of these is an example of digital media?
A) tape drive
B) printer
C) CPU
D) DVD disc
Answer:
c
Explanation:
CPU (computer) is a digital device
Answer:
D) DVD disc
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