what is the sdlc? describe, compare, and contrast the predictive (traditional waterfall) model and the adaptive (agile) model. [2pts]

To find files owned by a particular user are The 'find' command, The 'ls' command, and The 'grep' command.

To find files owned by a particular user are:

1. The 'find' command, which searches for files in a directory hierarchy.

2. The 'ls' command, which lists the files in a directory.

3. The 'grep' command, which searches for a particular pattern in a file.

The 'find' command is used to locate files based on various criteria, such as filename, type, size, and ownership. To find files owned by a specific user, use the '-user' option followed by the username. For example, to find all files owned by the user "john," use the following command:
find / -user john
The 'ls' command is used to list files and directories in a directory. To list files owned by a specific user, use the '-l' option followed by the username. For example, to list all files owned by the user "john" in the current directory, use the following command:
ls -l | grep john
The 'grep' command is used to search for a pattern in a file. To search for files owned by a specific user, use the '-R' option followed by the username and the directory to search. For example, to search for all files owned by the user "john" in the '/home' directory, use the following command:
grep -R john /home/
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Microsoft Visual Studio and Eclipse are two popular software development environments used for coding in different programming languages.

Visual Studio is developed by Microsoft and is used mainly for creating applications on the Windows platform. It offers features like debugging and unit testing which makes it ideal for developing Windows applications. Eclipse is an open-source development platform that supports multiple languages and is widely used in the Java development space. It provides tools like code completion, debugging, and refactoring which make it an excellent tool for developing Java applications. Both Visual Studio and Eclipse have an active community that provides support and resources.

In summary, Visual Studio is great for developing Windows applications while Eclipse is perfect for developing Java applications. Both have active communities that provide support and resources for their respective platforms.

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The correct answer is The function convertweight() takes one integer parameter totalmilligrams as input and two integer parameters grams and milligrams as output parameters passed by reference. The purpose of the function is to convert the given totalmilligrams into grams and milligrams and store them in the respective output parameters.

The function can be defined in Python as follows:

ef convertweight(totalmilligrams, grams, milligrams):

   grams[0] = totalmilligrams // 1000  # calculate grams

   milligrams[0] = totalmilligrams % 1000  # calculate milligrams

Here, we are using floor division (//) to calculate the number of grams, which is the integer division of totalmilligrams by 1000. The remainder of this division is the number of milligrams, which we can obtain using the modulo (%) operator. The calculated grams and milligrams values are then stored in their respective output parameters using the indexing notation.To use this function, we can call it as follows:

totalmilligrams = 2500

grams = [0]  # create a list with one element for output parameter

milligrams = [0]  # create a list with one element for output parameter

convertweight(totalmilligrams, grams, milligrams)

print("Grams:", grams[0])  # output the calculated grams

print("Milligrams:", milligrams[0])  # output the calculated milligrams

In this example, we are passing the totalmilligrams value of 2500 and two output parameters (grams and milligrams) as lists with one element each. The function convertweight() will modify these output parameters to store the calculated values. Finally, we are printing the calculated grams and milligrams values.

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A production checkpoint uses the Volume Shadow Copy Service (VSS) inside the virtual machine (VM) to create a point-in-time snapshot of the VM.

The VSS is an OS service that Microsoft Windows provides to create a consistent, point-in-time copy of data from a source volume. VSS is utilized by a variety of services, including System Restore and backup applications.VSS coordinates the I/O flushing mechanism among the various components of the application or service running inside the VM to generate a coherent snapshot. This mechanism guarantees the consistency of the files at the time the snapshot was taken while ensuring that applications and services continue to work as planned when the snapshot is taken.In short, the Volume Shadow Copy Service (VSS) is utilized in the guest OS to perform the checkpoint in Hyper-V, and it is an essential part of creating production checkpoints.

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When you receive a brief communication that the format of input files will change from next month, it is essential to take some steps like Acknowledge the message,Verify the details,Assess the impact,Update your procedures,Communicate with stakeholders.

1. Acknowledge the message: You should send a response acknowledging the message to let the sender know that you have received the communication. This will help to prevent any misunderstandings and ensure that the sender is aware that you are aware of the change.2. Verify the details: Verify the details of the communication, including the date when the new format will take effect, and the specific changes that will be made. It is essential to ensure that you understand the details of the communication fully.

3. Assess the impact: Assess the impact of the change on your work processes, including any potential risks or disruptions. This will help you to identify any areas that may require additional attention or resources to address the change.4. Update your procedures: Update your procedures to reflect the new input file format. This will help you to ensure that you can continue to work efficiently and effectively with the new format.

5. Communicate with stakeholders: Communicate with stakeholders, including customers, suppliers, and other partners, to let them know about the change and any potential impact on their work processes. This will help you to avoid any potential disruptions and maintain good relationships with your stakeholders.

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Sylvie, as the owner of the copyright for her short story, has the exclusive right to control the use of her work. Therefore, the options that are legally allowed for her to do with her story are:

(a) Offer it to a school teacher at no cost to use in the classroom.

(c) Sell it to a school teacher or a publisher.

(a) Offer it to a school teacher at no cost to use in the classroom: This is allowed as Sylvie is giving permission to a teacher to use her work for educational purposes without expecting payment in return.

(c) Sell it to a school teacher or a publisher: This is allowed as Sylvie has the right to sell or license her work to others for a fee or other consideration.

(b) Offer it to a publisher at no cost to use commercially: This is not allowed as Sylvie is giving permission to the publisher to use her work for commercial purposes without any payment or compensation. This would be considered as giving away her rights as the copyright owner.

(d) Publish it in a local newspaper or magazine: This is not allowed as Sylvie has the exclusive right to control the publication and distribution of her work, and publishing it in a newspaper or magazine without her permission would be a violation of her rights.

The correct options are:

Allowed:

(a) Offer it to a school teacher at no cost to use in the classroom.

(c) Sell it to a school teacher or a publisher.

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The statement given in the question that "A digital video that uses the MPEG-4 codec is often used by online streaming services" is true because MPEG-4 is a widely used video codec that is capable of compressing video content into small files with high quality.

This makes it a popular choice for online streaming services, as it allows for efficient streaming of high-quality video over the internet. Additionally, MPEG-4 supports a variety of advanced features, such as interactive video and digital rights management, which further enhance its usefulness in the streaming context. As such, many popular streaming platforms, such as Net-flix and You-Tube, use MPEG-4 to deliver video content to their users.

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The relational database is the most common standard for expressing databases, whereby tables (files) are related based on common keys.

A database is an organized collection of data that is electronically stored and retrieved. Users can obtain and change data by searching, updating, and removing it. Data in a database is often arranged into tables, each containing a set of data. A table's data is structured into rows and columns.

A relational database is a type of database. A relational database organizes data tables by associating rows of data inside them based on shared data properties. It refers to a database system that manipulates data using SQL (Structured Query Language). The most common form of a database used nowadays is a relational database.

Common keys: Common keys are used in relational databases to create relationships between tables. The primary key in one table is linked to the foreign key in another table, and the two tables are joined by this relationship. This linking makes it easier to extract data from various tables and combine it into a meaningful whole. In general, common keys are used to join related data from different tables in a database.

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The primary benefit of using buffers for file input/output (I/O) is that the program can run faster.

Buffers allow the program to read or write data from or to the file in larger, more efficient chunks instead of accessing the file one character or byte at a time. This reduces the number of system calls needed to perform I/O operations and can significantly improve the program's performance.

While using buffers may also help reduce memory usage by temporarily storing data in memory rather than reading or writing directly to the file, this is not the primary benefit of using buffers.

Similarly, using buffers does not necessarily mean that all input data is kept in the file until needed, nor does it guarantee that all output data is immediately written to a file.

The size and behavior of the buffer depend on the specific implementation and configuration of the I/O operation.

Using buffers does not imply that the entire file is input at once, as the buffer may be filled and emptied in smaller chunks depending on the needs of the program.

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The topology that is likely to be deployed in a WAN with a central office and three branch offices, where all traffic from the branch offices is required to go through the central office network, is a point-to-point (P2P) topology. The correct answer D.

A point-to-point (P2P) topology is a network architecture in which two nodes are directly connected by a single communication link. In a WAN with a central office and three branch offices, a P2P topology is an appropriate choice as it allows for direct communication between the central office and each branch office, ensuring that all traffic passes through the central office network.

This enables the central office to control and manage the flow of network traffic and ensures a more secure network environment. In contrast, a mesh or ring topology might create unnecessary complexity and may not be necessary for this type of network setup. The correct answer D.

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Yes, all 8 packets in the pcap file are part of a connection-oriented message between two endpoints because this setup occurs between two endpoints, which are typically a client and a server.

A connection-oriented message is a message that requires a setup to occur before it can be sent. This setup is called a connection, which can be thought of as a temporary pipeline that allows data to flow between the two endpoints.

To establish a connection, three steps are required:

The connection is now established, and data can begin to flow between the two endpoints. In the given pcap file, all 8 packets are TCP packets, which means that they use the Transmission Control Protocol (TCP) to communicate. TCP is a connection-oriented protocol, which means that it requires a connection to be established before any data can be sent.

Therefore, we can conclude that all 8 packets in the pcap file are part of a connection-oriented message between two endpoints.

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The statement "Claire wants to use a quote by a famous author in an article she is writing about the declining population of Great White sharks. She will not be infringing the copyright of the author if she makes a citation in the article" is true becasue by citing the author of the quote in her article, Caire is not infringing the copyright.

If Claire wants to use a quote by a famous author in her article, she can do so as long as she cites the source properly. Proper citation gives credit to the original author and acknowledges their ownership of the content, thereby avoiding copyright infringement.

However, it is important to note that the extent to which a quote can be used without infringing on copyright law depends on the context and the amount of the original work being used.

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The relational data model was developed in the b. 1970s.

A relational data model is a database model that enables the storage, maintenance, and querying of data in a structured manner. Data is stored in tables consisting of rows and columns in a relational data model. Each row in a table represents a single entity, and each column represents a specific characteristic or attribute of that entity.

Relational databases are the most widely used database management systems (DBMSs) since they provide a solid foundation for data management. They use Structured Query Language (SQL) to interact with data.

Relational data models are based on mathematical set theory and predicate logic. Relational data models use primary and foreign keys to establish relationships between tables. These relationships enable data retrieval and integration across different tables. The relational data model was first introduced in a paper by Edgar Codd in 1970.

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One of the main reasons for the explosive growth of the TCP/IP networking protocol and its displacement of many other protocols is its flexibility and interoperability.

TCP/IP was designed to be an open, standardized protocol that could work across different types of networks and hardware. This made it possible for different computer systems and devices to communicate with each other over a common network protocol, regardless of the underlying hardware or software. Additionally, TCP/IP was designed to be scalable, allowing for the growth and expansion of networks as needed. One of the two primary methods of data transmission in a TCP/IP network is TCP.

The other one is UDP, a best-effort connectionless protocol. TCP ports are used by devices to communicate through TCP. A TCP port often serves as an endpoint identification particular to an application or service.

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The function will choose the game's winner depending on the user's choice of three characters, which they can enter with this code.

To change Rock Paper Scissors to any three characters a user can set, you can follow these steps:

Ask the user to input the three characters they want to use for the game.

Store the user's input in a list or array.

Create a function that will determine the winner of the game based on the user's input.

Ask the user to enter their choice of the three characters.

Use a random number generator to generate the computer's choice of the three characters.

Compare the user's choice and the computer's choice to determine the winner using the function created in step 3.

Display the winner of the game.

Here's an example of how the code might look:

import random

# Ask the user to input the three characters they want to use for the game.

user_choices = input("Enter your three choices separated by a comma: ").split(',')

# Create a function that will determine the winner of the game based on the user's input.

def determine_winner(user_choice, computer_choice):

   if (user_choice == computer_choice):

       return "Tie"

   elif (user_choice == user_choices[0] and computer_choice == user_choices[1]) or \

        (user_choice == user_choices[1] and computer_choice == user_choices[2]) or \

        (user_choice == user_choices[2] and computer_choice == user_choices[0]):

       return "Computer Wins!"

   else:

       return "You Win!"

# Ask the user to enter their choice of the three characters.

user_choice = input("Enter your choice: ")

# Use a random number generator to generate the computer's choice of the three characters.

computer_choice = random.choice(user_choices)

# Compare the user's choice and the computer's choice to determine the winner using the function created above.

winner = determine_winner(user_choice, computer_choice)

# Display the winner of the game.

print(f"You chose {user_choice} and the computer chose {computer_choice}. {winner}")

With this code, the user can enter any three characters they want to use for the game, and the function will determine the winner based on those characters.

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If you are preparing to utilize nested virtualization, the windows operating systems that you can use which will support nested virtualization in Hyper-V are Windows 10 and Windows Server 2016.

An operating system is a software that manages computer hardware and software resources and provides common services for computer programs.

An operating system is a collection of software that manages computer hardware resources and provides common services for computer programs.

The following are the Windows operating systems that support Nested Virtualization in Hyper-V:

Windows Server 2016

Windows 10

To use nested virtualization on a computer, ensure that the following requirements are met:

Operating System- Windows Server 2016 or Windows 10

Hyper-V installed in the host operating system

A processor that supports Intel VT-x or AMD-V virtualization technology

The host operating system must have enough resources for itself, nested virtualization, and the running VMs. Nested virtualization is a feature that allows you to create and run virtual machines inside virtual machines. Hyper-V in Windows Server 2016 and Windows 10 now includes this feature.

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Suppose that we are continuously transmitting packets from Earth to Moon and the 5th packet is lost and no other packets or acks are lost.

Know how many and which packets get retransmitted! In the case of TCP, packet loss is an issue.

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Answer: Positive and negative

Explanation:

A car batter works just like a 9 volt battery but it gives off more power and has a different structure .

Title V of the Intelligence Reform and Terrorism Prevention Act (IRTPA), the law was enacted in December 2004 and made some changes to improve border security.

Among the changes were the establishment of new border patrol agents, the deployment of new technologies to improve border surveillance, and measures to strengthen visa application and control processes.

The effectiveness of these changes is the subject of debate and controversy. While some experts argue that these measures have improved border security, others believe that more needs to be done to address the problem.

Overall, it is difficult to say definitively whether our borders are completely secure, but progress has been made in recent years to improve security measures.

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Yes, you can power an external monitor with the Sony FX3. However, depending on the type of monitor you are using, you may need a separate battery for the monitor.

For an LCD monitor, you may need an AC adapter that connects the monitor to a power source, like an electrical outlet or a battery. If the monitor has an HDMI port, you can connect it directly to the Sony FX3's HDMI port and it will power the monitor.

For a CRT monitor, you need an external battery to power it. The Sony FX3 is not powerful enough to provide the current needed to power the monitor. You will need to get a separate battery with the proper voltage to power the monitor.

In summary, to power an external monitor with the Sony FX3, you may need an AC adapter, HDMI cable, or a separate battery depending on the type of monitor you are using.

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Jim has decided to use a visual grid inventory system in his game because it offers B) a means of integrating multiple inventory systems at once.

A visual grid inventory system is a type of inventory management system that uses a visual grid to organize items in stock. It is designed to help managers quickly and easily identify which items are available and how much of each item is in stock.

The visual grid is usually displayed in a table format and can be used to track items by color-coding them, categorizing them into different sections and sub-sections, or grouping them by size or other characteristics.

This system can be used for a variety of purposes, such as tracking inventory levels, tracking backorders, and generating reports.

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Linux is b. an example of open-source software.

Linux is an operating system that runs on a range of hardware devices, from the smallest Internet of Things devices to the most powerful supercomputers. Linux is open-source software that is freely available and can be modified to meet a variety of requirements. Linux has a number of advantages, including the fact that it is open-source software, which means it is free and can be modified by users to suit their needs.

Linux is designed to run on a wide range of devices and hardware architectures, making it a versatile and powerful operating system. Because Linux is open-source, developers may create custom versions of the operating system tailored to a particular device or application. Linux is especially useful for scientific applications and data processing due to its excellent support for large data sets and high-performance computing. Therefore, the Correct Option is B.

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To access your information, select Start > Settings > Accounts. Select a file > Browse files under "Adjust your photo" to choose an already-existing image. Instead, if your device has a camera, choose Take a picture > Open camera to snap a fresh picture.

Click the user's name by going to Dashboard > User Management > Users. To remove a permission, select the Permissions view, then click the trash can icon next to it.

Windows comes with a built-in command-line utility called iCacls that reports on NTFS access permissions.

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Without more context, it is impossible to discern the switch's precise mode. The CLI (Command Line Interface) is a way to communicate with a switch or other network device.

A text-based user interface (UI) known as a command-line interface (CLI) is used to interact with computers and run programmes. Command-line user interfaces, console user interfaces, and character user interfaces are further names for command-line interfaces.

A centralised tool for managing your Amazon services is the AWS Command Line Interface (AWS CLI). You only need to download and set up one tool.

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In the project you clicked the CLI tab to access the switch. The mode the switch was in when you accessed it was the command-line interface (CLI) mode.

Know what is CLI! CLI or Command-Line Interface is a user interface that accepts inputs and gives an output in the form of a command-line. CLI is used to communicate with a computer system through commands that are typed out instead of clicking on menus or icons. For example, using CLI, one can access the file system, run programs, configure settings, and more. CLI is also useful for accessing network devices such as switches, routers, and firewalls. When accessing these network devices, CLI provides a more direct and efficient way of configuring and troubleshooting network devices than using a graphical user interface (GUI). Thus, when accessing a switch in a project, it was in CLI mode.

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Answer:

The "This Key"

Explanation:

This is how we reference it because it normally helps any confusion. (I might be wrong)

The "this" keyword in object-oriented programming refers to the current object or instance of a class. It is a reference to the object that the method was called on or the object that is currently being constructed. Therefore, the final answer is that the this keyword references the object that the method was called on.

When used within an instance method or constructor of a class, the this keyword is used to refer to the current object, i.e., the object on which the method or constructor is being invoked. This can be useful, for example, when there is a need to distinguish between an instance variable and a local variable that has the same name. Therefore, the correct answer to the question is: "The this keyword references the object that the method was called on."

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To design an application-layer protocol that provides fast, efficient communication and doesn't work with large amounts of data, it is recommended to use the User Datagram Protocol (UDP) as the transport-layer protocol.

UDP is a connectionless, unreliable protocol, which makes it suitable for applications that require fast delivery and don't rely on a connection being established. UDP is designed for short, lightweight messages and doesn't provide the same reliability as other transport-layer protocols such as Transmission Control Protocol (TCP). UDP can send messages quickly and with little overhead, making it an ideal choice for applications that need to send small amounts of data quickly, such as flashcard machine applications. Additionally, UDP does not provide any congestion control or reliability, meaning that applications that rely on high accuracy and need to send large amounts of data should use a different transport-layer protocol, such as TCP.

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The addtotals command's label argument, which is optional, modifies the label for a table's row totals.

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Scanning bulletin boards, making phony phone calls, and visiting websites are all examples of cybercrime. B) Passive scanning

Passive scanning is a technique used by hackers to gather information about a target system or network without directly interacting with it. This is usually done by monitoring network traffic, browsing publicly available information, and collecting data from various sources.

Examples of passive scanning include scanning bulletin boards, making phony phone calls, and visiting websites. Bulletin boards are a popular place for hackers to exchange information about vulnerabilities and targets. By monitoring these boards, a hacker can learn about a target's weaknesses and plan an attack accordingly.

Phony phone calls are also a common technique used in passive scanning. By pretending to be someone else, a hacker can extract valuable information from a target. For example, a hacker might call a help desk pretending to be an employee, and then ask for their login credentials.

Overall, passive scanning is a relatively low-risk method of gathering information, as it does not involve any direct interaction with the target. However, it can be a time-consuming process, and the information obtained may not be as detailed as that obtained through active scanning.

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Your question is incomplete, but probably the complete question is :

Scanning bulletin boards, making phony phone calls, and visiting websites by a hacker are examples of _________.

A) Active scanning

B) Passive scanning

C) Phreaking

D) Scouring

Instead of including recurring values, a data analyst prepares a query that instructs the database to return only distinct values in a given range.

Data from both tables is retrieved using the INNER JOIN statement, which only returns records or rows with matching values.

A straightforward formula can be used to add the values in a range (a collection of cells), however the SUM function is more user-friendly when dealing with larger numbers. for instance =SUM (A2:A6)  is less likely to have typing errors than =A2+A3+A4+A5+A6.

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