The latest setup modifications that you and other admins make are tracked by Setup Audit Trail. When there are several admins, audit history is extremely helpful.
Field values from the past will remain untouched. Field values that already exist will be converted. The field's current values will be removed. The Setup Audit Trail keeps track of any alterations or activities carried out inside an org throughout the course of the last six months. Either Read-Only or Read/Write access can be given. Instead of a group of users that often varies, sharing rules function best when they are established for a specific group of users that you can identify or forecast in advance. While importing from a different system, identify- There is no Record ID yet, therefore external ID.
To know more about tracked please click the below link.
https://brainly.com/question/29755751
#SPJ4
given a /32 global routing prefix and a /64 prefix, how many bits would be allocated for the subnet id?
A /32 global routing prefix is a type of IPv4 address that provides a single host with a unique IP address. This prefix uses 32 bits in total, with no bits allocated for the subnet ID.
A /64 prefix is a type of IPv6 address that provides a single subnet with a unique IP address space. This prefix uses 64 bits in total, with 64 bits allocated for the subnet ID.
In summary, 0 bits would be allocated for the subnet id in /32 global routing prefix, and 64 bits would be allocated for the subnet id in /64 prefix.
Learn more about subnet id here:https://brainly.com/question/27960959
#SPJ4
Two computers are built by different manufacturers. One is running a Web server and the other is running a Web browser. Which of the following best describes the ability of the two computers to communicate with each other across the Internet
A Web program called an online forum enables Internet users to converse with one another, albeit not in real-time.
A virtual meeting place where individuals may congregate to talk about things, ask questions, and exchange information is called an online forum. Users can submit messages, photographs, videos, and other types of content in internet forums, and other forum users can comment to these posts. Websites frequently host online forums, which can be either public or private. A web server allows a computer to transmit HTML-coded Web pages to client computers connected to a network upon request by delivering an HTTP request. A computer system known as a web server is used to store, process, and deliver web pages to users all over the Internet. It's in charge of delivering web content, including HTML documents, photos, and other things that the user's web browser requests.
Learn more about Web server here:
https://brainly.com/question/29756073
#SPJ4
Answer:
the guy above me has it
Explanation:
Assignment 2.1 [30 points] Write a program that asks the user for an amount of money (entered in cents) and then tells the user how to make change for that amount using only quarters, dimes, nickels, and pennies. Use the strategy used in lesson 2.3 (i.e., you must use the modulus operator), and format your output exactly as in this sample screen output. Note that the pennies must be output first. enter number of cents: 119 pennies: 4 nickels: 1 dimes: 1 quarters: 4 You should be sure not to use any numbers other than 0 and 1 in your code in this program. Instead, you should define named constants at the top of the file.
Summarise the conversation you had with your classmates in a piece of writing. Our Method of Writing.
What is in a file?1. On a computer, a file is an entity that houses data, information, preferences, or instructions used by a programme. Program files, data files, & system files are the three different sorts of files found on computers.
Why are files necessary?User information. The main objective of a file system is to handle user data. This includes data retrieval, updating, and storage. Some file systems receive a bytes stream that are received and saved in a form that is efficient for the media as data to be stored.
To know more about file visit:
https://brainly.com/question/14277907
#SPJ4
henri wants to convert a workbook to pdf so that he can print it in high quality using a commercial printer. he can do so by clicking on page layout > save as > (enter name in ) file name box > save as type list > pdf > minimum size (publishing online) > options > ok > save. true false
The correct answer is false.PDF documents can contain links and buttons, form fields, audio, video and business logic.
What are the ways to convert excel to pdf?Copy the file and save it as a PDF. Activate the File tab. Click the Save a Copy tab. —Choose the PDF file type. —Select the Save option.
Create a PDF version of your Excel file./Activate the File tab./Click the Export tab./Choose Create PDF/XPS./Click the Create PDF/XPS button to begin.
Customize Fast Access Toolbar can be found in the menu when you right-click anywhere on the quick access toolbar.
By doing so, the Excel Options menu will open, from which you may add the Publish as PDF or XPS command.
Make sure the Options menu's Quick Access Toolbar tab is selected./Choose Every Command./Publish as PDF or XPS can be chosen by scrolling down.
To include the command in your list of Quick Access Toolbar commands, click the Add button./ Click OK
To know more about pdf, visit:-
https://brainly.com/question/14863778
#SPJ4
discuss how the definition of privacy that is commonly used (freedom from observation) may differ from the definition of privacy from the information security perspective (freedom from unsanctioned intrusion).
The right to privacy is a fundamental human right that supports the freedoms of association, expression, and against discrimination.
What are privacy and its various forms?Protection of privacy refers to the capacity to keep particular information private or restricted to a small group of people. Physical, virtual, third-party, and statutory privacy protection are the four different categories.
What does privacy have to offer?A person's right to privacy is their unrestricted ability to make decisions about their lifestyle, values, friends, and information sharing. Lack of privacy breeds uniformity and self-censorship, which skews our beliefs and makes it harder for us to have productive debates.
To know more about privacy visit :-
https://brainly.com/question/2033492
#SPJ4
jeff crume described 5 challenges in security today. which three (3) of these are challenges because their numbers are increasing rapidly?
Malware is one type of cyberthreat that your institution should be aware of. Ransomware. attacks that use distributed denial of service (DDoS).
What are the three security features?Confidentiality, integrity, and availability are the core tenets of information security. Every component of an information security program (and every security measure implemented by an entity) ought to be created with one or more of these guiding principles in mind. They are collectively known as the CIA Triad.
What is security level 3?The three levels of the 3 level security system—text password, image-based password, and one-time automated password—are designed to increase security.
To know more about cyberthreat visit:-
brainly.com/question/27206382
#SPJ4
You have just installed a new hard disk drive into your computer but it is not being recognized by the motherboard within the BIOS/UEFI. You have verified the drive is properly connected to the motherboard and the power supply with the correct cables, but it still is not recognized. Which of the following actions would BEST solve this problem
The BEST solution to this issue would be to update the firmware on the motherboard.
What is the disadvantage of only testing server connections by attempting to use them?It only need a functional link and a set up IP. It employs ICMP requests to inquire about the status of network hosts. It is impossible to determine whether a problem is a network issue or an issue with an application.
Do I have to turn on virtualisation in the BIOS?This makes it possible for an operating system to use the computer's CPU power more effectively and efficiently, resulting in speedier performance. Many virtual machine programs also need this capability to function, and it must be enabled for them to do so.
To know more about motherboard visit:-
https://brainly.com/question/24119833
#SPJ4
Both adware and spyware ________.
Group of answer choices
capture users' keystrokes to obtain sensitive information
use the network to spread
observe user behavior without the user's permission
block access to a system until money is paid
Both adware and spyware are examples of malware that can infiltrate your computer secretly. Both can be harmful and crippling to your devices and data, but they are both simply avoidable by adopting a few easy safeguards.
What are adware and spyware?Spyware is software created to monitor all of your online actions, including the websites you visit and the applications you use. Adware is a term used to describe programs that display a variety of offers and advertising, frequently based on the websites you visit.
What is the alternative term for spyware and adware?The term "malware" refers to a wide range of harmful software, including as viruses, adware, spyware, browser hijacking programs, and phony security software. Once they are set up on your computer, these programs have a negative impact on both your security and privacy.
To know more about malware visit :-
https://brainly.com/question/29786858
#SPJ4
The video described several different kinds of charts that we commonly use to visualize data. In which of the following would one of the charts described help to accomplish the accompanying task described
The video described several different kinds of charts that we commonly use to visualize data. In which of the following would one of the charts described help to accomplish the accompanying task described.
What is database?In computing, a database is a structured set of data that is accessible and stored electronically. While tiny databases might be kept on a file system, large databases are kept on multiple computers and cloud services. The design of databases includes factors like data modeling, efficient information representation or storage, computer languages, security and privacy of confidential material, and distributed computing difficulties like concurrent access & fault tolerance. A database management system (DBMS) interacts with applications, home consumers, and the database itself in order to gather and handle data. The DBMS software also includes the main management tools for the database.
To know more about database visit:
https://brainly.com/question/29774533
#SPJ4
in english class last semester dixuan wrote a paper explaining cryptocurrency. this semester he submits the same paper for a different assignment in his communication class. is this plagiarism? why or why not?
The alternative payment method known as a cryptocurrency was developed utilizing encryption methods. Cryptocurrencies can act as both a currency and a store of value thanks to the usage of encryption technology.
How do cryptocurrencies generate revenue?Basically, trading fees are how cryptocurrency exchanges generate revenue. You give the exchange a percentage of whatever you buy or sell. These differ greatly depending on the trade's size and frequently depend on the trader's monthly volume; there are also withdrawal fees for off-ramping funds, of course.
Is investing in crypto wise?There is a big drawback to cryptocurrency, but it may also be a fantastic investment with astronomically large returns overnight. The time horizon, risk tolerance, and liquidity needs of investors should be compared to their investor profile.
To know more about cryptocurrency visit :-
https://brainly.com/question/16450854
#SPJ4
how to write a qbasic program that gives square of all odd numbers between 1 to 20 and display on the screen
Finding the square sum of the first 50 odd numbers using a QBASIC application. FOR I =1 TO 50, CLS. LET N = 1. N=N+2, and SUM = SUM+N. Print "THE SUM OF FIRST" in the next line.
Describe squares?
A square is a regular quadrilateral that has four equal sides and four equal angles. Angles in a square are either straight or 90 degrees. The diagonals of the square are also equal and divided at a right angle. A square is another name for a rectangle with two sides that are opposite and the same length. In the figure above, a square with equal sides and 90-degree angles is shown. Similarly, a rhombus is a convex quadrilateral with four equal sides.
Know more about application Visit:
https://brainly.com/question/28650148
#SPJ1
value stream mapping is a technique that originated at toyota, where it was referred to as . multiple choice question. material and information flow mapping data mapping work method and mistake mapping value flow mapping
The method of value stream mapping was developed at Toyota, where it was known as Material and Information Flow Analysis diagrams (MIFA).
What is the Toyota Production System, or "lean"?our renowned lean manufacturing process. The Toyota Production System establishes how we produce vehicles (TPS). It is an innovative manufacturing concept that seeks to maximize efficiency while getting rid of waste.
Where did lean originate?Lean has its roots in Venice in the 1450s, contrary to popular belief, which holds that Henry Ford and Toyota invented it in the 1900s. Lean is a theory or style of thinking that emphasizes waste reduction and process streamlining in order to save time, space, resources, and money.
To know more about Information visit:-
https://brainly.com/question/15709585
#SPJ4
consider the code snippet: function start(){ printnumbers(12, 17, 65); printnumbers(1, 2, 3); printnumbers(3, 3, 20); } function printnumbers(first, second, third){ println(first); println(second); println(third); } what are the parameters of the printnumbers method?
First, second, and third are the parameters of the print numbers method. The print() function in Java script outputs the message to the standard output device or the screen, as appropriate.
What are the parameters of a function?When referring to one of the bits of data supplied as input to a function, a parameter is a particular type of variable. The values of these pieces of information are the arguments that will be used to call or execute the function.
Functions must have parameters in order to accept input from the function machine. In a single function, we can use all 4 different sorts of parameters. There are laws that are followed, of course. It must be towards the end of the queue of parameters since the keyword variable-length parameter asks us to pass the arguments with the keyword.
To learn more about Java script, visit:
https://brainly.com/question/27936993
#SPJ4
identify the sql command that uses an aggregate function that could be used to find the lowest total in the invoice table. a.) select total(min) from invoice; b.) select lowest(total) from invoice; c.) select min(total) from invoice; d.) select min total from invoice;
This SQL command uses the min() aggregate function to find the lowest total in the invoice table. The min() function returns the minimum value in a given column or expression.
What is SQL command?SQL (Structured Query Language) is a domain-specific language used in programming and designed for managing data held in a relational database management system (RDBMS). It is a query language used to access and manipulate data in databases. SQL statements are used to perform tasks such as update data on a database, or retrieve data from a database. Some common SQL commands include SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, ALTER and many more. SQL can be used to join multiple tables, create views, stored procedures and functions, and can also be used to create and execute queries. It is a very powerful language and is used in many areas of software development and data-related work.
To learn more about SQL command
https://brainly.com/question/30171336
#SPJ4
northern trail outfitters wants a way to quickly view the performance summary of a recent email send including the send performance, open performance, and inbox activity. where could they quickly view an email performance summary?
A. The Tracking Overview tab of the recent send in Email Studio could they quickly view an email performance summary.
What is an Email?Electronic mail, sometimes known as email or e-mail, is a way for people to communicate through electronic devices. At a time when "mail" solely referred to physical mail, email was therefore developed as that of the electronic (digital) equivalent to, or counterpart to, mail (hence the prefix e- + mail). An email address is now frequently seen as a fundamental and essential component of many activities in business, trade, government, education, entertainment, as well as other areas of everyday life in most nations. Email later became a ubiquitous (extremely widely used) communication channel. The medium is email, and each message transmitted through it is likewise referred to as an email. It is a collective noun. Email is accessible across both local area networks and computer networks, primarily the Internet.
To know more about an Email visit:
https://brainly.com/question/28087672
#SPJ4
bob is using a port scanner to identify open ports on a server in his environment. he is scanning a web server that uses hypertext transfer protocol (http). which port should bob expect to be open to support this service?
The port Bob should expect to be open to support the HTTP service is port 80. This is the default port used for web traffic and is commonly used for Hypertext Transfer Protocol (HTTP).
What is HTTP service?HTTP (Hypertext Transfer Protocol) is a service that enables communication between computers connected to a network. It is the most commonly used protocol on the internet and is used to transfer data from server to client, and vice versa, in the form of HTML documents, images, videos, and other types of documents. HTTP is a stateless protocol, meaning that it does not keep track of any information between requests.
To learn more about HTTP service
https://brainly.com/question/15400012
#SPJ4
. question 10 what file provides information about the pages, videos, and other files on your site, and the relationship between them?
Note that the file that provides information about the pages, videos, and other files on your site, and the relationship between them is called a Sitemap.
Why are sitemaps important?A sitemap specifies a website's most significant pages, ensuring that search engines can discover and index them. Sitemaps also aid in comprehending your website's structure, making it easier to explore.
A sitemap can help you establish your site's aims before you begin developing or generating content. By establishing exactly what you want from your site and then planning it out, you can ensure that every component of your website is reinforcing your aims.
Learn more about Sitemaps:
https://brainly.com/question/15004381
#SPJ1
devices that add computer-generated information on top of the real world that a user sees offer a(n) experience
Devices that add computer-generated information on top of the real world that a user sees offer a(n) augmented reality experience.
What is information technology, and what are some examples?The study of or use of computers and telecommunications for data archiving, retrieval, transmission, or sending is known as information technology, or IT. Although computers and their networks are sometimes referred to as "IT," the phrase also refers to other information dissemination technologies, such as television and cellphones.
Why is it called information technology?In its most basic form, the term IT (Information Technology) refers to every activity that involves computers. IT, or information technology, is the term used to describe the use of technology in a company to process data, coordinate operations, and solve business problems.
To know more about information visit-
https://brainly.com/question/29244533
#SPJ4
According to OWASP, there are currently 4 primary defenses against SQLi attacks. This single most important technique for preventing SQLi of these is
Choose matching definition
ask for a row or multiple rows from a table in a database.
Database, File (Table), Record, Field
True
Use of prepared statements (with parameterized queries)
Use of prepared statements (with parameterized queries) is single most important technique for preventing SQLi.
What is SQLi?SQL injection is a code injection method used to target data-driven systems that inserts malicious SQL statements into an entry field for execution. The single most essential strategy for avoiding SQLi is the use of prepared statements (with parameterized queries). SQL injection (SQLi) is a type of cyberattack in which malicious SQL code is injected into an application, allowing the attacker to see or edit data in a database. Injection attacks, which include SQL injections, were the third most severe online application security risk in 2021, according to the Open Web Application Security Project.
Here,
The single most essential strategy for avoiding SQLi is the use of prepared statements (with parameterized queries).
To know more about SQLi,
https://brainly.com/question/20264930
#SPJ4
the customer's age is stored in the variable age and the price is stored in the variable price. which piece of code will correctly decide the price for each ticket.
The variable number1 is being used in the code above to store the value 10. Any kind of data can be stored in variables.
Objects that can be kept in variables Why is it vital to give the variable a meaningful name?Anything that is significant to hold or refer back to can be stored in variables. is it crucial to give a variable a meaningful name? In order for the programmer to remember what the variable means, it must have meaning.
How may a variable be represented by a bag?By storing just one thing—a value written on a sticky note and put inside a designated bag—the baggy represents a variable. Like the value of a variable, the value in the bag can be altered at any time.
To know more about variable price visit:-
https://brainly.com/question/20738483
#SPJ4
northern trail outfitters wants to create an email which displays different images based on data stored in a sendable data extension. what should they use to meet this objective?
In accordance with the requirements, SQL Query should be used to pull this data. A SQL SELECT statement retrieves records from a database table in accordance with clauses that specify criteria .
What is SQL?Structured Query Language, or SQL, is its acronym. Databases can be accessed and manipulated using SQL. In 1986, the American National Standards Institute (ANSI) adopted SQL as a standard, and in 1987, the International Organization for Standardization (ISO) followed suit.
Structured Query Language, or SQL for short, is a programming language designed specifically for managing data in a relational database management system or for stream processing in a relational data stream management system.
To learn more about SQL visit :
https://brainly.com/question/20264930
#SPJ4
a marketing team wants to send an automated second email to subscribers who engaged with the original email. which sending method should they use?
An automated second email to subscribers who engaged with the original email can be sent using a triggered email. Triggered emails are automated emails that are sent based on a specific action or trigger, such as opening or clicking on an original email.
What is a triggered email?
Triggered emails, also known as behavioural emails or transactional emails, are those that are sent automatically in response to pre-defined events or conditions met by an individual via specific behaviours, actions, or other signals.
The primary distinction between triggered emails and general promotional emails is that triggered emails are delivered to an individual one-to-one, whereas promotional emails are manually sent one-to-many (where a large number of people receive the same email at the same time).
To know more about triggered email, visit: https://brainly.com/question/28992864
#SPJ4
Which connection type can support gigabit ethernet?
Answer:
Cat-5e cable
Explanation:
The connection types that can support gigabit ethernet include Cat5e, Cat6, and Cat7 cables. Gigabit ethernet refers to the speed of data transmission, specifically one billion bits per second.
Explanation:The connection types that can support gigabit ethernet include Cat5e, Cat6, and Cat7 cables. Among these, the Cat5e cable has a limit of 1 gigabit per second, but Cat6 and Cat7 cables can support speeds beyond this. It's important to understand that gigabit ethernet refers to the speed at which data is transmitted, which in this case is one billion bits per second.
Learn more about Gigabit Ethernet here:https://brainly.com/question/33716696
#SPJ6
write a program that prints the numbers from 1 to 100 with five values per line, two blank spaces between values. the last few lines will look like this:
To write a program that prints the numbers from 1 to 100 with five values per line, two blank spaces between values, check the code given below.
What is program?A programme is a set of instructions that instructs a computer on how to perform certain tasks. A computer, for example, can carry out a series of commands to complete a specific task.
Programming languages are a set of rules and syntax used to create instructions for computers to follow. There are numerous programming languages, each with their own syntax and capabilities.
A programmer uses a text editor or an integrated development environment to write the instructions in a programming language to create a programme (IDE). The programme is then compiled or translated into machine code, which the computer understands and can execute.
//Define the class Main.
class Main
{
//Start the execution of the main() method.
public static void main(String[] args)
{
//Assign 1 to the variable num.
int num = 1;
//Start the while loop till the value of the
//variable num is less than 100.
while(num < 100)
{
//Start the for loop from 0 to 5.
for(int j = 0; j < 5; j++)
{
//Display the value of the variable
//num with spaces 5 values per line.
System.out.print(num + " ");
//Increment the value of the variable
//num by 1.
num = num + 1;
}
//Display the next line.
System.out.println();
}
}
}
Learn more about program
https://brainly.com/question/11023419
#SPJ4
a security breach that does not usually result in the theft of information or other security loss but the lack of legitimate use of that system?
Unauthorized access is defined as any access to a system or network without the proper authorization.
What is Unauthorized access?Unauthorized access is the intentional and unauthorized use of a computer, network, application, or other system. It is the practice of bypassing the authentication and security measures that are in place on a network, computer, application, or other system to gain unauthorized access to the data or resources of that system. Unauthorized access can be used for malicious purposes such as stealing data, destroying data, or introducing malware into the system. It can also be used for legitimate purposes such as testing the security of the system to ensure that it is secure. In either case, unauthorized access is a violation of the system’s security policy and can have serious consequences.
This type of breach could lead to unauthorized alterations, data manipulation, or other malicious activities.
To learn more about Unauthorized access
https://brainly.com/question/28809596
#SPJ4
TRUE/FALSE. In spreadsheet programs, when absolute cell references are used, formulas are copied exactly as they are written.
When absolute references are used in spreadsheet programs, it is true that formulas are copied precisely as they are written.
A spreadsheet is what?A spreadsheet is a type of computer program that can be used to store, view, and change information that has been arranged in rows and columns. The spreadsheet is among the most commonly prevalent computer programs. In general, a spreadsheet is made to store numerical data or short text strings.
Why is Excel known as a spreadsheet?Spread, used to refer to a magazine or a newspaper item that spans two facing pages, extends across the centerfold, and treats the two articles as one large page, is the root word for the word "spreadsheet."
To know more about spreadsheet visit:
https://brainly.com/question/8284022
#SPJ4
Can anyone help me answer this question?
Deep learning deals with how a machine provides information by processing data carried through the neural network and outputting the data.
Is this correct?
Deep learning deals with how a machine provides information by processing data carried through the neural network and outputting the data, is the correct statement.
What is deep learning in neural network?Machine learning, which is simply a neural network with three or more layers, is a subset of deep learning. These neural networks make an effort to mimic how the human brain functions, however they fall far short of being able to match it, enabling it to "learn" from vast volumes of data.
Deep learning is a machine learning method that instructs computers to learn by doing what comes naturally to people. Driverless cars use deep learning as a vital technology to recognize stop signs and tell a pedestrian from a lamppost apart.
Thus, it is the correct statement.
For more information about deep learning in neural network, click here:
https://brainly.com/question/14632443
#SPJ1
. question 1 the search engine delivers relevant content for a user's query. this represents which main process of a search engine?
Ranking is the practice of arranging search results from most relevant to least relevant for a given query.
A crawler, an offline processing system to compile data and create a searchable index, and an online engine for handling real-time queries are the three basic parts of a search engine, as depicted in Figure 1. A search engine is the other sort of search service, and search engines utilize specialized software robots called spiders or crawlers to gather data from web pages. Meta descriptions and title tags. One of the most crucial on-page SEO factors is the use of meta tags, specifically page titles. Every page contains a title tag, which shows up as the headline in search results.
Learn more about query here-
https://brainly.com/question/29575174
#SPJ4
if you want to rotate a selected shape by a specific number of degrees, which of the following is the best option? a. drag the rotate handle on the shape. b. click the rotate button on the drawing tools format tab, and then select one of the rotate commands. c. drag the adjustment handle on the shape. d. click the rotate button on the drawing tools format tab, and then select one of the flip commands.
Select one of the Rotate commands by clicking the Rotate button on the Drawing Tools Format tab.
What happens if you hold down the shift key while dragging a shape's size handle?Press and hold the OPTION key while dragging the scaling handle to quickly resize a photo, shape, WordArt, or other object while maintaining the object's center.
What will happen if you push the number key while holding down the Shift key?Users who press the Shift key on their keyboard can type a single capital letter and convert the top number keys to symbols. On US keyboards, for instance, holding Shift while hitting A produces a capital "A," while holding Shift while pressing 1 produces an exclamation mark.
To know more about commands visit:-
https://brainly.com/question/3632568
#SPJ4
The 9 course staff compete in a race. In how many distinct ways can the 3 medals (gold, silver, bronze) be awarded if Aleks wins either a silver or a gold?Hint: Think about the two cases separately. ______
This is the number of permutations of 9 distinct objects taken three at a time without repetition. So, the number of ways through which medals can be awarded is as follows:
[tex]^9P_3[/tex] = 9 × 8 × 7 = 504 ways. What do you mean by Permutation and combination?Permutation and combination may be defined as the various ways in which objects from a set may be selected, generally without replacement, to form subsets. This selection of subsets is called a permutation when the order of selection is a factor, a combination when order is not a factor.
A permutation is an act of arranging objects or numbers in order. Combinations are the way of selecting objects or numbers from a group of objects or collections, in such a way that the order of the objects does not matter.
Therefore, this is the number of permutations of 9 distinct objects taken three at a time without repetition. So, there are 504 ways through which medals can be awarded.
To learn more about Permutations, refer to the link;
https://brainly.com/question/1216161
#SPJ1