) Write pseudo code that will perform the following. A) Read in 5 separate numbers. B) Calculate the average of the five numbers. C) Find the smallest (minimum) and largest (maximum) of the five entered numbers

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

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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A mutator method should validate the input before changing the data values stored in an object because this ensures the integrity of the data. Input validation ensures that the data is in the correct format and meets the necessary requirements before it is processed.

By validating input, we can protect the object from receiving erroneous data, which can lead to unexpected or undesirable results. Furthermore, it prevents malicious users from taking advantage of any vulnerabilities in the object. For example, if a mutator method does not validate the input, a user may be able to change the object's data values to a malicious value.

Therefore, validating input before changing the data values stored in an object is essential for protecting the object from malicious users and ensuring the integrity of the data.

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Generally, you should limit your number of bullets per slide to five or less when creating a multimedia presentation using PowerPoint. This is to ensure that your presentation is concise and easy to understand.

To keep the presentation organized and visually appealing, you should make sure each bullet is clearly labeled and the information is laid out in a logical manner. When using more than five bullets, it can be difficult for the audience to stay focused and understand the message you are trying to convey. Additionally, it is important to include visuals in your presentation to engage the audience and add visual interest. To ensure that your presentation is successful, make sure to use visuals, limit your number of bullets, and structure your slides in a logical manner.

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The statement "Lossy compression discards some original content to create smaller files" is true because lossy compression is a method of compressing digital data (such as images, audio, or video) to reduce the file size.

In lossy compression, some amount of original data is discarded to achieve a smaller file size. This means that the compressed file may not be an exact replica of the original, but rather a representation that has some degree of loss or degradation in quality. The degree of loss is determined by the compression algorithm and the level of compression applied.

Examples of lossy compression formats include JPEG for images and MP3 for audio. While lossy compression can result in smaller file sizes, it is important to consider the tradeoff between file size and quality when choosing a compression method.

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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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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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A computer's central processing unit is an integrated circuit. Because, The CPU is a component of an integrated circuit in a personal computer system that contains numerous transistors, semiconductors, and resistors. A CPU has a processor that enables it to seamlessly integrate all computer functions.

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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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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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The maximum UDP header size is 8 bytes. This is made up of four 2-byte fields.

The first field is the Source Port, which identifies the sending port. The second field is the Destination Port, which identifies the receiving port. The third field is the Length, which is the length of the UDP header and data. The fourth field is the Checksum, which is used to verify data integrity.

The UDP header does not contain additional fields, so the maximum size of 8 bytes cannot be exceeded. The maximum data size for a UDP packet is 65,507 bytes, which includes the 8 bytes for the header.

To summarize, the maximum UDP header size is 8 bytes, which is made up of four 2-byte fields. This means the maximum data size for a UDP packet is 65,507 bytes, which includes the 8 bytes for the header.

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Answer:

# Algorithm to prompt user to enter a positive nonzero number

# Define a function that will validate if the number entered is positive and nonzero

validate_number()

{

 # Get the number entered by the user

 local number=$1

 # Check if the number is greater than 0

 if [[ $number -gt 0 ]]

 then

   # If the number is greater than 0, return 0

   return 0

 else

   # If the number is less than 0, return 1

   return 1

 fi

}

# Start the loop

while true

do

 # Prompt the user to enter a positive nonzero number

 read -p "Please enter a positive nonzero number: " number

 # Validate the number entered

 validate_number $number

 # Check the return value of the function

 if [[ $? -eq 0 ]]

 then

   # If the number is valid, break from the loop

   echo "Input is valid."

   break

 else

   # If the number is invalid, display an error message

   echo "Input is invalid. Please try again."

 fi

done

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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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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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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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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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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 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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As an IT administrator at Alphina Systems, if Ivan wants to be able to plug and unplug his hardware devices without using the "Safely Remove Hardware" option, he should create a hardware device policy for his Windows operating system.

What is a hardware device?

A hardware device is a physical piece of equipment that includes mechanical, electrical, and electronic components that work together to execute instructions.

They are physical objects or components that make up a computer system. Hardware components can include input/output devices, storage, central processing units, and many more.

They are used to build computers and peripherals, as well as communications networks.

What is a hardware device policy?

To better manage hardware devices, Windows provides a hardware device policy that IT administrators can use to configure how the operating system interacts with hardware devices.

To establish a hardware device policy for the Windows operating system, the following procedures must be followed:

Step 1: Open Local Group Policy Editor

Step 2: Navigate to Computer Configuration > Administrative Templates > System > Removable Storage Access

Step 3: Create a policy that specifies that a user can bypass the "Safely Remove Hardware" option when removing hardware devices.

Step 4: Select the "Enabled" option, followed by the "Allow the Removal of Physical Storage" option.

Step 5: Save and ExitIn this way, Ivan can easily remove his hardware devices without using the "Safely Remove Hardware" option.

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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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Sharing a file means making it available from your cloud storage for viewing, editing, and downloading by other designated users.

File sharing refers to the act of making a digital file accessible to other people over the internet or other networks. It's used by people for a variety of reasons, such as collaboration on a project, sending a document to a friend, or sharing photos with family.

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To replace the commas inside a cell with a dash the excel formula is:=SUBSTITUTE(A1,",","-")

one must follow the steps listed below. The Excel formula is used to replace the specified character with the character specified in the formula

To replace commas with a dash in the same cell, we can use the SUBSTITUTE function. The syntax of the SUBSTITUTE function is as follows:=SUBSTITUTE(text, old_text, new_text, [instance_num])

where Text: This is the original text in which we want to replace the specified characters.

Old_text: This is the text that we want to replace with

new_text.New_text: This is the text that we want to replace old_text with.[Instance_num]: (optional) This argument specifies the occurrence of the old_text that we want to replace with the new_text. If omitted, all occurrences of old_text will be replaced with new_text.In this problem,

we want to replace the commas with a dash, so our formula would be:=SUBSTITUTE(A1,",","-")We can drag this formula down or copy and paste it to apply it to the entire column of data.

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When configuring a range of ports for EtherChannel, the LACP mode that configures it so that it initiates the EtherChannel negotiation is called active mode.

EtherChannel is a function in computer networking that is used to combine several physical connections between two devices into one logical connection. The goal of EtherChannel is to increase the capacity, reliability, and redundancy of the network while also simplifying management.

The Link Aggregation Control Protocol (LACP) is a link-level protocol used in combination with EtherChannel to provide control information and configuration information to member ports on a dynamic and system-wide level. LACP enables physical ports to be grouped together as a single logical channel, which allows more bandwidth and redundancy. The two modes available for LACP are Active and Passive modes.

The mode where LACP initiates the negotiation of the EtherChannel is the Active mode. In contrast, the Passive mode does not initiate the negotiation of the EtherChannel but instead responds to requests from an Active device. LACP Active mode is typically used on ports that are connected to network switches, while Passive mode is commonly used on servers, workstations, or other network devices.

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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 .

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

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