3D151 Set 2 Vol 1 Edit Code 02

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1. (010) What type of remote network provides a private tunnel through public clouds (the Internet)?

Explanation

A virtual private network (VPN) is a type of remote network that provides a private tunnel through public clouds (the Internet). This allows users to securely access and transmit data over the Internet by encrypting the data and routing it through a remote server. VPNs are commonly used by businesses to connect remote offices or enable remote workers to access the company's network securely. They provide a secure and private connection, ensuring that data remains protected from unauthorized access or interception.

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About This Quiz
3D151 Set 2 Vol 1 Edit Code 02 - Quiz

This quiz, titled '3D151 Set 2 Vol 1 Edit Code 02', assesses skills in managing and implementing client system technologies, focusing on personal wireless communication systems, non-wireless interfaces, and overall efficiency in information management.

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2. (010) In a cable Internet, as the distance increases, the speed of the overall transfer rate of data...

Explanation

In a cable Internet, the speed of the overall transfer rate of data stays the same as the distance increases. This is because cable Internet uses coaxial or fiber optic cables to transmit data, which are not affected by distance in the same way as wireless connections. Unlike wireless signals, which can weaken and degrade over long distances, cable Internet maintains a consistent speed regardless of the distance between the user and the service provider. Therefore, the speed of data transfer remains constant regardless of the distance.

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3. (019) What software category includes programs that do real work for users?

Explanation

The correct answer is "Application" because applications are software programs that are designed to perform specific tasks or functions for users. They can be productivity tools, communication tools, entertainment software, or any other type of program that is used for practical purposes. Unlike system software, which includes operating systems and utility programs, applications are focused on providing functionality and performing tasks that directly benefit the user.

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4. (008) A hard disk is divided into how many byte sectors?

Explanation

A hard disk is divided into 512-byte sectors. This means that each sector on the hard disk can store up to 512 bytes of data. The sectors are used to organize and store data on the hard disk, allowing for efficient retrieval and storage of information.

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5. (010) What form of remote network access is often the only choice for rural or remote areas?

Explanation

Dial-up is often the only choice for rural or remote areas because it uses existing telephone lines to establish a connection. This makes it accessible even in areas where other forms of network access, such as broadband or wireless, may not be available or reliable. Dial-up may have slower speeds compared to other options, but it remains a viable choice in areas with limited infrastructure.

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6. (023) What piece of test equipment can help verify connectivity and identify shorts, reversed, crossed or split pairs on a network?

Explanation

A local-area network tester is a piece of test equipment that can help verify connectivity and identify shorts, reversed, crossed, or split pairs on a network. It is specifically designed to test and diagnose issues within a local-area network infrastructure. A wide-area network tester is used for testing and troubleshooting issues in wide-area networks, while a signal generator is used to generate specific signals for testing purposes. A time domain reflectometer is used to measure the length of a cable and locate faults, but it may not be as effective in identifying connectivity and pairing issues on a network.

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7. (002) What requirement must an Apprentice complete to be awarded Journeyman level?

Explanation

To be awarded Journeyman level, an Apprentice must complete Client System career development courses (CDC). This indicates that the Apprentice has acquired the necessary skills and knowledge in client system craftsman tasks and has undergone the required career development training specifically designed for client system professionals. The completion of these courses demonstrates the Apprentice's readiness to progress to the Journeyman level in the field of client systems.

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8. (004) A personal computer (PC) is such a great tool because it...

Explanation

A personal computer (PC) is a great tool because it is a multi-purpose processor. Unlike single purpose processors, such as calculators or gaming consoles, a PC can perform a wide range of tasks. It has the ability to handle various applications and software, allowing users to use it for different purposes like work, entertainment, communication, and more. The versatility of a PC makes it an essential tool in today's digital age.

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9. (004) The primary interface for the hard drive that is now the most commonly used connector for hard drives is the

Explanation

The correct answer is Serial Advanced Technology Attachment (SATA). SATA is the most commonly used connector for hard drives. It is a computer bus interface that connects the motherboard to the hard drive. SATA offers faster data transfer rates and better performance compared to its predecessors, making it the primary interface for modern hard drives.

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10. (001) Which functions do client systems technicians perform regarding personal wireless communication systems?

Explanation

Client systems technicians perform the functions of planning, scheduling, and implementing installations and maintenances for personal wireless communication systems. This involves organizing and coordinating the installation process, creating a timeline for the project, and carrying out the necessary tasks to ensure that the system is installed and maintained properly. This includes tasks such as setting up the hardware, configuring the software, and troubleshooting any issues that may arise during the process. By performing these functions, client systems technicians ensure that personal wireless communication systems are effectively installed and maintained for optimal performance.

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11. (020) What process in troubleshooting will help organize thoughts, prevent repeated steps from happening, and provide the basis for preparing service records?

Explanation

Documentation is the process in troubleshooting that helps organize thoughts, prevent repeated steps from happening, and provide the basis for preparing service records. By documenting the troubleshooting process, technicians can keep track of the steps they have taken, the solutions they have tried, and any relevant information or observations. This not only helps them stay organized and avoid repeating steps, but it also provides a record of the troubleshooting process that can be used for future reference or to communicate with others involved in the troubleshooting process.

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12. (019) With a software license agreement, who has the full rights to the software and its further distribution and reproduction?

Explanation

The correct answer is Publisher. In a software license agreement, the publisher retains the full rights to the software and its further distribution and reproduction. The buyer only receives a license to use the software according to the terms and conditions set by the publisher. The United States Air Force (USAF) and United States government may have access to certain software under specific agreements, but they do not have the full rights to distribute and reproduce the software.

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13. (015) Which protocol provides an almost unlimited number of Internet Protocol addresses?

Explanation

IPv6 provides an almost unlimited number of Internet Protocol addresses. Unlike IPv4, which uses a 32-bit address format and can support around 4.3 billion unique addresses, IPv6 uses a 128-bit address format, allowing for approximately 3.4×10^38 unique addresses. This vast number of addresses ensures that there will be enough for all devices connected to the internet, including the ever-increasing number of IoT devices. Therefore, IPv6 is the correct answer as it provides a solution to the limited address space of IPv4.

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14. (019) What is an essential tool for any client systems technician (CST) to find software approved for use on an Air Force (AF) network?

Explanation

The essential tool for a client systems technician (CST) to find software approved for use on an Air Force (AF) network is the Evaluated/Approved Product List (E/APL). This list contains software products that have been evaluated and approved for use on the AF network, ensuring that they meet the necessary security and compatibility requirements. By referring to the E/APL, the CST can ensure that they are installing software that is authorized and will not pose any risks to the network.

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15. (006) This type of random access memory (RAM) transfers sixteen times as much data per each clock cycle.

Explanation

DDR4 SDRAM is the correct answer because it transfers sixteen times as much data per each clock cycle compared to other types of RAM mentioned.

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16. (003) A non-wireless way to load software or interface hardware to a tablet is with the...

Explanation

A non-wireless way to load software or interface hardware to a tablet is with the universal serial bus (USB) port. This port allows for a physical connection between the tablet and another device, such as a computer or external storage device, allowing for the transfer of data and the loading of software or interface hardware. The Ethernet port is used for wired internet connectivity and does not directly facilitate software or hardware loading. An optical drive is a disc drive and is not commonly found on tablets. A network interface card (NIC) is used for connecting to a network and does not directly facilitate software or hardware loading.

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17. (004) Any hardware added to a computer that expands its capabilities is referred to as...

Explanation

A peripheral is any hardware added to a computer that expands its capabilities. This can include devices such as printers, scanners, and external storage devices. These peripherals connect to the computer through ports or interfaces and allow the user to input or output data. Therefore, a peripheral is the correct term to describe any hardware that expands a computer's capabilities.

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18. (004) Transferring eight bits of data simultaneously through eight separate lines in a single cable is a function of what kind of port?

Explanation

Transferring eight bits of data simultaneously through eight separate lines in a single cable is a function of a parallel port. In parallel transmission, multiple bits are sent simultaneously through separate lines, allowing for faster data transfer compared to serial transmission where bits are sent one at a time.

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19. (007) Which computer system requirements must be satisfied for software to be usable at all?

Explanation

The correct answer is "Minimum" because the minimum computer system requirements refer to the basic specifications that a computer must have in order for the software to run at all. These requirements typically include the minimum processor speed, memory, and storage capacity needed to install and run the software. Without meeting these minimum requirements, the software may not be able to function properly or may not even be able to install on the computer. Therefore, the minimum system requirements are crucial for ensuring that the software is usable.

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20. (005) What term refers to the process of launching an operating system (OS)?

Explanation

The term "boot" refers to the process of launching an operating system (OS). When a computer is powered on, the boot process initializes the hardware, loads the necessary software components, and starts the operating system.

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21. (007) Which hardware requirement is defined as the model and the clock speed of central processing units (CPU)?

Explanation

The hardware requirement that is defined as the model and the clock speed of central processing units (CPU) is processing power. This refers to the capability of the CPU to execute instructions and perform calculations. The model and clock speed are important factors in determining the processing power of a CPU.

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22. (008) A formatted disk partition that is used for a particular file system is called...

Explanation

A formatted disk partition that is used for a particular file system is called a volume. A volume refers to a specific area of a disk that is allocated for storing data and is formatted with a specific file system. It can be thought of as a logical container that holds files and directories within a file system.

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23. (006) What type of memory is non-volatile, considered permanent, and is also called firmware in reference to the data and instructions stored?

Explanation

Read-only memory (ROM) is a type of memory that is non-volatile, meaning it retains its data even when the power is turned off. It is considered permanent because the data and instructions stored in ROM cannot be easily modified or erased. ROM is also sometimes referred to as firmware because it contains the software instructions that are permanently programmed during manufacturing.

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24. (011) What is installed on a computer to act as the interface between the computer and network?

Explanation

A network interface card (NIC) is installed on a computer to act as the interface between the computer and the network. It allows the computer to connect to the network and communicate with other devices on the network. The NIC is responsible for sending and receiving data packets between the computer and the network, translating the data into a format that can be transmitted over the network. Without a NIC, the computer would not be able to connect to the network and access resources or communicate with other devices.

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25. (022) What Transmission Control Protocol/Internet Protocol (TCP/IP) command verifies connections to a remote host and can determine the path an Internet Protocol (IP) packet takes to reach a destination or determine where an IP packet stopped?

Explanation

The correct answer is Trace Route (TRACERT). This command is used to verify connections to a remote host and determine the path an IP packet takes to reach a destination or where it stopped. It provides information about each hop (router) that the packet passes through, including the IP address and response time of each hop. This can be useful for troubleshooting network connectivity issues and identifying network bottlenecks.

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26. (014) Which Institute of Electrical and Electronics Engineers (IEEE) standard for wireless fidelity (Wi-Fi) has a good range, penetration, and the highest data rate?

Explanation

802.11ac is the correct answer because it is the IEEE standard for Wi-Fi that offers the best range, penetration, and highest data rate. This standard operates on the 5 GHz frequency band and uses advanced technologies like multiple-input multiple-output (MIMO) and beamforming to improve performance and speed. It can achieve data rates of up to 1 Gbps, making it ideal for high-bandwidth activities like streaming HD videos and online gaming. 802.11n, 802.11b, and 802.11g are older Wi-Fi standards that do not offer the same level of performance as 802.11ac.

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27. (018) Which patch will prevent exploitation and remove or mitigate a threat's capability to exploit a specific vulnerability in an asset, and is the primary method of fixing vulnerabilities in software?

Explanation

A patch is a software update that fixes vulnerabilities in software. It prevents exploitation by removing or mitigating a threat's capability to exploit a specific vulnerability in an asset. Therefore, the correct answer is "Security" as it is the primary method of fixing vulnerabilities in software.

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28. (015) What technology involves the capture and storage of a distinctive, measurable characteristic, feature, or trait of an individual for later recognition by automated means?

Explanation

Biometrics is the technology that involves the capture and storage of a distinctive, measurable characteristic, feature, or trait of an individual for later recognition by automated means. This technology is used to identify and authenticate individuals based on their unique physical or behavioral traits, such as fingerprints, iris patterns, voice recognition, or facial features. Biometrics is widely used in various applications, including access control systems, border control, and personal devices like smartphones and laptops for secure authentication purposes.

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29. (015) What protocol is used to allow standard phone calls over the same data lines as electronic mail (e-mail) and Web traffic?

Explanation

VoIP is the correct answer because it is a protocol that allows standard phone calls to be transmitted over the same data lines as email and web traffic. Unlike traditional phone systems that use dedicated lines, VoIP converts voice signals into digital data packets that are transmitted over the internet or other IP networks. This allows for cost savings and increased flexibility in communication. TCP/IP, IPv4, and VIP are not specifically designed for transmitting phone calls over data lines.

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30. (020) What is one of the best habits a client systems technician (CST) can form in order to save time, effort and prevent mistakes?

Explanation

Getting organized is one of the best habits a client systems technician (CST) can form in order to save time, effort, and prevent mistakes. By staying organized, the CST can easily locate and access the necessary tools, files, and information needed for their work. This helps to streamline their workflow, reduce the time spent searching for resources, and minimize the chances of making errors. Additionally, being organized allows the CST to prioritize tasks effectively and stay on top of their workload, ultimately leading to increased productivity and efficiency.

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31. (007) The specifications that should be met, if not exceeded, to ensure a computer is compatible as well as powerful enough to run an operating system (OS) without constant problems is for the computer to have the minimum

Explanation

To ensure a computer is compatible and powerful enough to run an operating system without constant problems, it is crucial for the computer to have the necessary hardware. The hardware components, such as the processor, memory, storage, and graphics card, determine the computer's performance and capability to handle the demands of an operating system. Without adequate hardware, the computer may experience issues such as slow performance, crashes, and compatibility problems with certain software or features of the operating system. Therefore, having the right hardware is essential for a smooth and problem-free operating system experience.

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32. (008) The first sector at the beginning of a hard drive is called the master...

Explanation

The first sector at the beginning of a hard drive is called the boot record. This sector contains essential information for the computer to boot up, such as the operating system's bootloader. It also includes the partition table, which defines the different sections or partitions of the hard drive. The boot record is crucial for the computer's startup process and plays a vital role in initializing the operating system.

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33. (003) What systems entail how we communicate and manage data?

Explanation

The systems that entail how we communicate and manage data are referred to as information systems. These systems involve the use of technology and processes to collect, store, process, and transmit information. They play a crucial role in organizations and help in effective communication, decision-making, and data management. Information systems can include various components such as hardware, software, networks, databases, and people. They are essential for organizations to function efficiently and effectively in today's digital age.

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34. (021) Which item is not a good practice in helping with future troubleshooting?

Explanation

Remembering every step taken is not a good practice in helping with future troubleshooting because relying solely on memory can lead to inaccuracies and omissions. It is better to rely on documentation, gathering facts, and knowing your network to ensure a thorough and accurate troubleshooting process.

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35. (012) What stores print jobs in a print queue until a printer becomes available?

Explanation

A print server is a device or software that stores print jobs in a print queue until a printer becomes available. It manages the printing process by receiving print requests from multiple computers and sending them to the appropriate printer. This allows for efficient printing and prevents print jobs from being lost or delayed if a printer is currently busy or offline.

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36. (022) What command-line tool displays Transmission Control Protocol/Internet Protocol (TCP/IP) protocol statistics and active connections to and from the computer?

Explanation

NETSTAT is a command-line tool that displays TCP/IP protocol statistics and active connections. It provides information about the current TCP/IP connections, listening ports, and routing tables. By using NETSTAT, users can monitor network connections, troubleshoot network issues, and gather information about network performance. The other options listed, such as Ping command, IPconfig/release, and Address resolution protocol, are not specifically designed to display TCP/IP protocol statistics and active connections.

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37. (026) Which media has a storage capacity of gigabyte (GB)—terabyte (TB), has a slow to moderate speed and is moderately expensive?

Explanation

Tape is the correct answer because it has a storage capacity of gigabyte (GB) to terabyte (TB), which is a large amount of data. It has a slow to moderate speed, meaning it may take longer to access or transfer data compared to other media. Additionally, tape is moderately expensive, making it a costlier option compared to other media such as CDs or DVDs.

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38. (006) Which term describes that data is whole or complete?

Explanation

Data integrity refers to the accuracy, consistency, and reliability of data throughout its lifecycle. It ensures that data is whole or complete, without any errors or inconsistencies. Data integrity is crucial in maintaining the quality and trustworthiness of data, as it ensures that the data remains intact and reliable for its intended use.

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39. (015) What drives faster processing speeds and increases the power of many computers and communication devices?

Explanation

Nanotechnology drives faster processing speeds and increases the power of many computers and communication devices. Nanotechnology involves the manipulation and control of materials at the nanoscale level, which allows for the development of smaller and more efficient components. By utilizing nanoscale materials and structures, computers and communication devices can be made smaller, faster, and more powerful. This technology has the potential to revolutionize various industries by improving performance and capabilities.

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40. (008) Which file system is the best choice for data storage if the computer is a 32-bit Windows System?

Explanation

The best choice for data storage on a 32-bit Windows System is the New Technology File System (NTFS). NTFS is the default file system for Windows and offers several advantages over the File Allocation Table System (FAT). NTFS supports larger file sizes, better security features, and better data reliability. Additionally, NTFS has better performance and supports features like file compression and encryption. Therefore, NTFS is the recommended choice for data storage on a 32-bit Windows System.

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41. (006) How many bits long are the addresses that computer instructions work with?

Explanation

Computer instructions work with addresses that are 16 bits long. This means that the computer can access and manipulate memory locations using a 16-bit address. The length of the address determines the maximum number of memory locations that can be accessed, which in this case is 2^16 or 65,536.

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42. (011) What is the unique identification number a network interface card (NIC) provides to a personal computer (PC)?

Explanation

A network interface card (NIC) provides a unique identification number to a personal computer (PC) known as the Media Access Control (MAC) address. This address is assigned to the NIC by the manufacturer and is used to uniquely identify the device on a network. The MAC address consists of six pairs of hexadecimal digits, separated by colons or hyphens, and is used for communication between devices on a local network.

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43. (020) Which of these is not an occurrence during a system cold boot?

Explanation

During a system cold boot, the power supply fan turns on to provide cooling for the system. An audible beep should be heard to indicate that the system has successfully completed the Power-On Self-Test (POST) and is ready for operation. The hard disk drive access light should come on to indicate that the system is accessing the hard disk. However, the hard disk test is not visible on the monitor during a cold boot. This test is typically performed by the system's BIOS during the POST process, but the results are not displayed on the monitor.

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44. (003) What part do client systems technicians (CST) play in amassing, distributing, and controlling information?

Explanation

Client systems technicians (CST) play a role in ensuring efficiency in amassing, distributing, and controlling information. They are responsible for managing and maintaining client systems, ensuring that they are operating at optimal levels and that information is being processed and distributed efficiently. By focusing on efficiency, CSTs help to streamline processes, improve productivity, and enhance the overall effectiveness of information management within an organization.

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45. (027) What is the preferred method for clearing magnetic tapes and is the only approved method for sanitizing?

Explanation

Degaussing is the preferred method for clearing magnetic tapes and is the only approved method for sanitizing. Degaussing involves using a degausser, which generates a strong magnetic field to completely erase the data stored on the magnetic tape. This method ensures that the data cannot be recovered or accessed by unauthorized individuals. Erasing, wiping, and overwriting are not as effective as degaussing in completely sanitizing magnetic tapes.

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46. (007) Which is not considered a utility application?

Explanation

A spreadsheet is not considered a utility application because it is primarily used for organizing and analyzing data, rather than performing specific tasks or providing system maintenance. Utility applications, on the other hand, are software programs designed to assist in managing and optimizing computer performance, such as antivirus programs, file compression tools like WinZip, and Adobe Acrobat reader for viewing and editing PDF files.

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47. (021) What provides the logical network map?

Explanation

The correct answer is System Management Automated Report Tracking System (SMARTS). SMARTS is a software tool that provides a logical network map. It helps in monitoring and managing the network infrastructure by automatically tracking and reporting on network events and performance. SMARTS analyzes network data and generates reports that help in identifying and resolving network issues. It provides a visual representation of the network topology, allowing administrators to understand the relationships between different devices and their connections.

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48. (006) What describes how computers find a specific byte it is looking for in memory?

Explanation

Memory addressing is the process by which computers locate a specific byte in memory. It involves assigning unique addresses to each byte in memory so that the computer can easily access and retrieve the desired data. This is an essential aspect of computer architecture and is used in various operations, such as reading and writing data, executing instructions, and transferring data between different parts of the computer system.

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49. (010) What does Wi-Fi (wireless fidelity) use to carry network signals to the network access point?

Explanation

Wi-Fi (wireless fidelity) uses radio waves to carry network signals to the network access point. Radio waves are electromagnetic waves that can transmit data wirelessly over short distances. They are used in Wi-Fi technology to establish a wireless connection between devices and the network access point, allowing for internet access without the need for physical cables.

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50. (006) This type of memory is blank and instructions can be placed on it permanently.

Explanation

PROM is a type of memory that allows instructions to be permanently placed on it. Unlike RAM, which can be read from and written to, PROM is non-volatile, meaning its contents are not erased when power is turned off. This makes PROM a suitable choice for storing permanent instructions that should not be changed or modified. ROM and CMOS are not the correct answers because ROM is not programmable and CMOS is not specifically designed for storing instructions.

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51. (021) Which alarm category in the network monitor system (NMS) indicates a warning?

Explanation

Cyan is the correct answer because in the network monitor system (NMS), the cyan alarm category indicates a warning. This means that when a cyan alarm is triggered, it signifies that there is a potential issue or problem in the network that needs attention, but it is not as severe as a red alarm. The cyan alarm serves as a cautionary signal to network administrators, prompting them to investigate and address the warning before it escalates into a more critical situation.

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52. (006) Actively sampling the status of an external device by a client program is known as...

Explanation

Polling is the act of actively sampling the status of an external device by a client program. This means that the client program regularly checks the status of the external device to see if any changes or updates have occurred. This is commonly used in computer systems to gather information from hardware devices or to communicate with external systems. Signaling, processing, and multitasking are not accurate descriptions of this action.

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53. (007) What operating system (OS) task ensures each process and application receives time to function and is used for real work as often as possible?

Explanation

Processor management is the operating system task that ensures each process and application receives time to function and is used for real work as often as possible. This task involves allocating and scheduling CPU resources to different processes and applications, ensuring fair and efficient utilization of the processor. By managing the processor effectively, the operating system can prevent any single process from monopolizing the CPU and ensure that all processes and applications get their fair share of processing time.

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54. (014) What device receives information from the Internet, translates it into a radio signal, and sends it to the computer's wireless adapter?

Explanation

A router is a device that receives information from the Internet and translates it into a radio signal, which is then sent to the computer's wireless adapter. The router acts as a bridge between the Internet and the computer's wireless connection, allowing the computer to access the Internet wirelessly. A network interface card (NIC) is a hardware component that enables a computer to connect to a network, but it does not perform the specific function described in the question. Ethernet is a wired networking technology that does not involve wireless communication. Wi-Fi (wireless fidelity) is a term used to describe wireless networking technology, but it does not specifically refer to the device that receives and translates the Internet signal.

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55. (009) Which logical structure component is a container used to organize objects into logical administrative groups?

Explanation

Domains are a logical structure component that is used to organize objects into logical administrative groups. Domains provide a way to manage and administer a large number of objects by grouping them together based on their administrative needs. They help in organizing and managing resources, such as users, computers, and other network objects, in a hierarchical manner. Domains also provide a security boundary, allowing administrators to define access controls and policies specific to each domain. Therefore, domains serve as containers for organizing objects in a logical and administrative manner.

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56. (011) What software activates the actual transmission and receipt of data over the network?

Explanation

Network interface drivers are software programs that activate the actual transmission and receipt of data over the network. These drivers allow the network interface card (NIC) to communicate with the operating system and other devices on the network. Without the network interface drivers, the NIC would not be able to send or receive data, making it impossible to transmit information over the network.

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57. (021) What is the maximum packet size for Internet Protocol (IP)?

Explanation

The maximum packet size for Internet Protocol (IP) is 65,535 bytes. The IP protocol allows for the fragmentation of packets, meaning that if a packet is larger than the maximum size allowed by the network, it can be divided into smaller packets for transmission. However, the maximum size for a single packet is 65,535 bytes.

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58. (011) Which information is not required when configuring Transmission Control Protocol/Internet Protocol (TCP/IP)?

Explanation

When configuring TCP/IP, the Media Access Control (MAC) address is not required. The MAC address is a unique identifier assigned to network interfaces, and it is used at the data link layer of the TCP/IP protocol stack. However, when configuring TCP/IP, the focus is on the network layer, which includes the IP address and the domain name system (DNS) server address. The IP address is essential for identifying devices on the network, and the DNS server address is necessary for translating domain names into IP addresses. Administrator access is also not directly related to TCP/IP configuration, as it pertains to user privileges and permissions.

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59. (013) Which is not a transmission medium for a wireless local area network?

Explanation

Fiber optics is not a transmission medium for a wireless local area network because it requires physical cables to transmit data. Wireless local area networks, on the other hand, use radio waves to transmit data without the need for physical cables. Microwaves, radio waves, and light can all be used as transmission mediums for wireless local area networks as they can transmit data wirelessly.

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60. (013) What does the Air Force Network Integration Center (AFNIC) recommend for most military wireless network applications?

Explanation

The Air Force Network Integration Center (AFNIC) recommends satellite for most military wireless network applications. This is because satellite communication provides reliable and secure connectivity over long distances, making it suitable for military operations that require communication in remote or difficult-to-reach areas. Additionally, satellite networks can support high bandwidth and are less susceptible to interference compared to other options like microwave or fiber optics. Therefore, satellite is the preferred choice for military wireless network applications according to AFNIC.

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61. (022) What is the most commonly used Electronic Industries Association (EIA) wiring standard for network connectors today?

Explanation

The correct answer is 568B. The 568B wiring standard is the most commonly used Electronic Industries Association (EIA) wiring standard for network connectors today. This standard specifies the arrangement and pin assignments for network cables, ensuring compatibility and proper functioning of network connections.

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62. (006) Which type of memory is used to duplicate frequently accessed information stored elsewhere or computed earlier because the original data is time consuming to retrieve or compute?

Explanation

Cache is a type of memory that is used to duplicate frequently accessed information stored elsewhere or computed earlier because the original data is time-consuming to retrieve or compute. It acts as a temporary storage location between the processor and the main memory. By storing frequently accessed data in cache, the system can retrieve it quickly, thereby improving overall system performance.

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63. (020) The most common hardware diagnostic tool is the...

Explanation

A loopback plug is a hardware diagnostic tool that is commonly used to test the functionality of network ports. It is a device that is inserted into a network port to create a loopback, allowing the port to send and receive signals to itself. This can help identify any issues with the port or the network connection. The other options mentioned, such as BIOS card, power-on self-test (POST), and patch panel, are not specifically hardware diagnostic tools and do not serve the same purpose as a loopback plug.

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64. (016) How many principles govern all actions associated with risk management?

Explanation

The correct answer is four because there are four main principles that govern all actions associated with risk management. These principles include: 1) Risk identification, which involves identifying potential risks and their potential impact; 2) Risk assessment, which involves assessing the likelihood and severity of each identified risk; 3) Risk mitigation, which involves developing strategies to minimize or eliminate the identified risks; and 4) Risk monitoring and review, which involves continuously monitoring and reviewing the effectiveness of the risk management strategies implemented.

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65. (022) What should you usually check before you begin in-depth troubleshooting on a network?

Explanation

Before beginning in-depth troubleshooting on a network, it is important to usually check the connectivity. This involves verifying if all the devices are properly connected to the network, if there are any loose cables or faulty connections, and if the network devices are powered on and functioning correctly. Checking connectivity ensures that the network is physically and logically intact, and helps identify any potential issues that may be causing network problems.

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66. (023) Over what percentage of all network problems occur at the Data Link and Physical Layers of the Open Systems Interconnect (OSI) reference model?

Explanation

According to the Open Systems Interconnect (OSI) reference model, the Data Link and Physical Layers are the lower layers of the network stack. These layers are responsible for handling the physical transmission of data, such as encoding, decoding, and error detection. Since these layers deal with the actual transmission of data, they are more prone to problems and errors. Therefore, it is likely that a significant percentage of all network problems occur at the Data Link and Physical Layers, which is why the correct answer is 60%.

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67. (008) On a hard drive, how many logical drives can a primary partition have?

Explanation

A primary partition on a hard drive can have only one logical drive. A logical drive is a partition within a primary partition, and a primary partition can be divided into multiple logical drives using a file system such as NTFS or FAT. However, a primary partition itself can only have one logical drive.

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68. (011) Which of these is not defined by network protocols?

Explanation

Network protocols are responsible for defining the rules and procedures for communication within a network. They determine how data is transmitted, received, and processed. Packet sizes, signal timing, and whether acknowledgment is needed are all aspects that are defined by network protocols. However, connector interfaces are not defined by network protocols. Connector interfaces refer to the physical connectors used to connect devices to a network, such as Ethernet cables or USB ports. The specifications for these connectors are determined by hardware standards, not network protocols.

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69. (027) Which item is not an optical storage media?

Explanation

The correct answer is "Core optical disk" because it is not a recognized optical storage media. Compact disc read-only memory (CD-ROM), erasable optical disk, and write-once, read-many (WORM) optical disks are all examples of optical storage media commonly used for data storage and retrieval.

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70. (020) What hardware quick test should only be used to localize problems?

Explanation

The hardware quick test that should only be used to localize problems is touch. Touching the hardware components can help identify issues such as loose connections, overheating, or physical damage. By physically inspecting and feeling the components, one can narrow down the source of the problem and determine if further troubleshooting or repair is necessary.

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71. (007) Which is not a type of computer user interface?

Explanation

The given options represent different types of computer user interfaces. Application driven is not a recognized type of user interface, whereas command driven, graphical user, and menu driven are well-known types. Therefore, the correct answer is Application driven.

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72. (005) What program sets up the divisions of memory that holds an operating system (OS), user information, and applications?

Explanation

The bootstrap loader is the program that sets up the divisions of memory that hold an operating system (OS), user information, and applications. It is responsible for loading the initial code of the operating system into memory and initializing the necessary data structures. This process is crucial for the proper functioning of the computer system.

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73. (020) Which logical troubleshooting step would include classifying the problem as hardware or software related?

Explanation

The logical troubleshooting step of isolating the problem involves determining whether the issue is hardware or software related. By isolating the problem, one can narrow down the potential causes and determine whether it is a hardware malfunction or a software glitch. This step helps in identifying the appropriate solution and directing the troubleshooting efforts towards the specific area that needs attention.

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74. (020) Which settings are established through the startup software in the Basic Input/Output System (BIOS)?

Explanation

The settings that are established through the startup software in the Basic Input/Output System (BIOS) are referred to as configuration settings. These settings include various parameters and options that determine the behavior and functionality of the computer's hardware and software. They can include settings related to the boot order, power management, memory allocation, device configuration, and other system-level settings.

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75. (021) Which network impairment occurs when bits are missing in one or more octets in a frame?

Explanation

Alignment error occurs when bits are missing in one or more octets in a frame. This means that the data within the frame is not properly aligned, resulting in errors in the transmission. This can happen due to various reasons such as incorrect framing, clock synchronization issues, or hardware problems.

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76. (014) How does a router send information to the Internet on a wireless network?

Explanation

A router sends information to the Internet on a wireless network through an Ethernet connection. This is because the router acts as a bridge between the wireless network and the Internet, and an Ethernet connection is used to establish a connection between the router and the Internet service provider. The router receives the data from devices connected to the wireless network and then forwards it to the Internet using the Ethernet connection.

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77. (024) What tool can launch individual troubleshooting/configuration programs and other utilities having to do with networking, video display, printers, sound, and electronic mail (e-mail) configuration on an operating system (OS)?

Explanation

The control panel is a tool in an operating system that allows users to access and manage various settings and configurations. It provides access to individual troubleshooting and configuration programs for networking, video display, printers, sound, and electronic mail (e-mail) configuration. Therefore, the control panel is the correct answer for launching these utilities.

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78. (024) Which operating system (OS) tool allows the viewing of the number of sent packets, status, total connection time, and speed of a network?

Explanation

The correct answer is Network connections. This tool allows users to view the number of sent packets, status, total connection time, and speed of a network. It provides information about network activity and allows users to monitor their network connections effectively. Device manager is used to manage hardware devices, control panel is used to configure system settings, and event viewer is used to view system logs and events.

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79. (015) How much power does a not and drive (NAND) require?

Explanation

The correct answer is "

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80. (021) What function enables the higher layer protocol data units (PDU) to fit into the lower layer PDU for transmission across the network?

Explanation

Fragmentation is the process of breaking down larger data units into smaller units to fit into the lower layer protocol data units (PDU) for transmission across the network. This allows for efficient transmission and reassembly of the data at the receiving end. Frame relays, round trip delay, and asynchronous transfer mode are not directly related to enabling PDUs to fit into lower layer PDUs.

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81. (021) What network troubleshooting tool can dramatically reduce the number of alarms displayed on the network monitor system (NMS) alarm browser?

Explanation

An event correlation system is a network troubleshooting tool that can significantly reduce the number of alarms displayed on the network monitor system (NMS) alarm browser. This system identifies and groups related events or alarms, allowing the NMS to present a consolidated view of the network's health. By correlating events, the system can eliminate duplicate or irrelevant alarms, providing a more accurate and manageable representation of network issues. This helps network administrators focus on critical events and reduces the noise and clutter caused by excessive alarms.

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82. (006) What is defined as an asynchronous signal from a computer hardware device indicating the need for attention from a central processing unit (CPU) or a synchronous event indicating the need for a change in execution?

Explanation

An interrupt is a signal from a computer hardware device that indicates the need for attention from the CPU. It can be either asynchronous, meaning it can occur at any time, or synchronous, meaning it occurs at a specific time or event. Interrupts are used to interrupt the normal execution of a program and transfer control to a specific interrupt handler routine, which handles the event that triggered the interrupt. This allows the CPU to quickly respond to important events and prioritize tasks efficiently.

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83. (018) Which management process prevents software fixes or updates from introducing new problems into computer systems?

Explanation

A patch is a software update that is designed to fix or improve a computer program. The management process of applying patches ensures that any fixes or updates made to the software do not introduce new problems or vulnerabilities into the computer system. By thoroughly testing and verifying the patches before implementation, the management process aims to maintain the stability and security of the system.

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84. (019) What type of software piracy is it when a product offered was previously used to obtain an upgrade to a newer version?

Explanation

Internet piracy refers to the unauthorized copying, distribution, or downloading of software from the internet. In this case, the product offered was previously used to obtain an upgrade to a newer version, which suggests that it was obtained illegally through the internet without proper licensing or permission from the software developer. This falls under the category of internet piracy.

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85. (017) What is the first step towards eliminating mishaps?

Explanation

The first step towards eliminating mishaps is to recognize and assess hazardous situations. This involves being able to identify potential dangers and evaluating the level of risk they pose. By recognizing and assessing hazardous situations, appropriate measures can then be taken to mitigate or eliminate the risks, ultimately preventing mishaps from occurring.

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86. (011) How many connector interfaces does a network interface card (NIC) provide for network cables?

Explanation

A network interface card (NIC) typically provides four connector interfaces for network cables. These interfaces allow the NIC to connect to different types of networks, such as Ethernet or Wi-Fi. Each interface can be used to connect to a separate network or device, providing flexibility and versatility in network connectivity.

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87. (024) Which operating system (OS) tool will provide a listing of hardware and software failures or warnings?

Explanation

The correct answer is Event viewer. The Event Viewer is a tool in an operating system that provides a listing of hardware and software failures or warnings. It allows users to view and analyze logs of system events, such as application errors, security issues, and system warnings. By examining these logs, users can troubleshoot problems, identify potential issues, and monitor the overall health and performance of the system. Control panel, Device manager, and Network connections do not specifically provide a listing of hardware and software failures or warnings.

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88. (014) What problem can reduce the throughput and range of a wireless access point?

Explanation

Radio frequency interference can reduce the throughput and range of a wireless access point. This is because interference from other devices or sources operating on the same frequency can disrupt the wireless signal, leading to decreased performance and limited coverage area.

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89. (007) What is the most common set of system requirements defined by an operating system (OS) or software application?

Explanation

The most common set of system requirements defined by an operating system or software application is hardware. This refers to the specific hardware components and specifications that are necessary for the system or application to run properly. The hardware requirements may include the processor speed, memory, storage space, and graphics capabilities, among others. Meeting these hardware requirements ensures that the system or application can function optimally and provide the desired performance.

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90. (021) What percentage of average network use indicates a busy network?

Explanation

A network is considered busy when it is being utilized more than 30% of its average capacity. This means that if the network usage exceeds 30%, it indicates that the network is busy and experiencing high traffic.

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91. (021) Which is not a way in which round trip delay can be determined?

Explanation

Round trip delay can be determined in various ways, such as calculating the maximum delay, minimum delay, average delay, or total delay. However, the question asks for the way that is not used to determine round trip delay. Therefore, the correct answer is "Maximum" because it is a valid method to calculate round trip delay.

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92. (006) Which is a very simple example of an error detecting code?

Explanation

A parity bit is a very simple example of an error detecting code. It is an extra bit added to a binary code to detect errors during transmission. The parity bit is set to 1 or 0 depending on the number of 1's in the data being transmitted. If the number of 1's is even, the parity bit is set to 0, and if the number of 1's is odd, the parity bit is set to 1. During transmission, the recipient can check the parity bit and compare it with the received data to determine if any errors occurred.

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93. (021) What is the minimum packet size for Internet Protocol (IP)?

Explanation

The minimum packet size for Internet Protocol (IP) is 28 bytes. This means that the smallest unit of data that can be transmitted over IP is 28 bytes in size.

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94. (020) Which item is not a common problem inherent to computers?

Explanation

The item "System" is not a common problem inherent to computers because it refers to the overall operating system and software environment of the computer, rather than a specific issue or component. Common problems inherent to computers include issues with drivers, which are software that allows the computer to communicate with hardware devices, problems with the setup or installation of software or hardware, and issues with the configuration of settings and preferences.

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95. (027) This is an authorized method of cleaning and sanitizing many types of magnetic media.

Explanation

Overwriting is a method of cleaning and sanitizing magnetic media by replacing the existing data with new data. This process ensures that the previous data cannot be recovered or accessed. It is an authorized method because it effectively removes all traces of the previous data, making it suitable for sensitive information.

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96. (006) Which type of memory is located on just about every kind of circuit board there is in today's computer technology?

Explanation

not-available-via-ai

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97. (021) What network troubleshooting tool will indicate if a noteworthy event has occurred on the network?

Explanation

The correct answer is Alarm browser. An alarm browser is a network troubleshooting tool that allows users to view and analyze network alarms and events. It provides a centralized interface to monitor and manage alarms, allowing users to quickly identify and respond to noteworthy events on the network. This tool helps in troubleshooting network issues by providing real-time information about network events and their impact on the network performance.

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98. (021) Which network troubleshooting step includes automatically polling network devices?

Explanation

The step that includes automatically polling network devices is "Gathering the facts." This step involves collecting information about the network devices, such as their current status, configurations, and performance metrics. By automatically polling the network devices, the troubleshooting process can gather real-time data and identify any potential issues or abnormalities. This information is crucial for understanding the current state of the network and determining the next steps in the troubleshooting process.

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99. (025) Which fault isolation technique may entail checking the cable connections as well as reseating devices and checking all switches and settings for devices?

Explanation

The fault isolation technique described in the question involves checking the cable connections, reseating devices, and checking switches and settings for devices. This suggests that the issue being addressed is related to the hardware devices themselves, rather than software or memory. Therefore, the correct answer is to check hardware devices.

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100. (027) This must be done to any storage media before changing modes of operation or before using at a higher classification.

Explanation

Before changing modes of operation or using storage media at a higher classification, it is necessary to clear the media. Clearing refers to the process of removing all data from the storage media to ensure that no sensitive information remains. This is typically done by deleting or wiping the data from the media. Clearing is important to prevent unauthorized access to classified information when the media is being repurposed or used in a different mode of operation.

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