Review Questions - M2

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| By Xtnq_tjay
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Xtnq_tjay
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Quizzes Created: 9 | Total Attempts: 2,165
Questions: 20 | Attempts: 92

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Review Questions - M2 - Quiz


This is a review quiz.


Questions and Answers
  • 1. 

    DSL is a broadband technology that creates an Internet connection from your computer.  Which of the following describes  DSL?

    • A.

      DSL is much faster than a dial-up connection.

    • B.

      DSL customers cannot surf while talking on the phone.

    • C.

      DSL customers must have a separate line for their phone service.

    • D.

      All items listed.

    Correct Answer
    A. DSL is much faster than a dial-up connection.
    Explanation
    DSL is described as being much faster than a dial-up connection. This means that DSL provides a quicker and more efficient internet connection compared to the slower speeds of dial-up. The other options mentioned, such as DSL customers not being able to surf while talking on the phone and needing a separate line for phone service, are not accurate descriptions of DSL. Therefore, the correct answer is that DSL is much faster than a dial-up connection.

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  • 2. 

    Which of the following is the first component of the DSL circuit?

    • A.

      Customer's computer

    • B.

      CPE

    • C.

      DSLAM

    • D.

      Ethernet cable

    Correct Answer
    A. Customer's computer
    Explanation
    The first component of the DSL circuit is the customer's computer. This is because the customer's computer is the device that initiates the connection and sends the data over the DSL line. The DSL circuit connects the customer's computer to the internet service provider's network, allowing the customer to access the internet. The other options listed, such as CPE (Customer Premises Equipment), DSLAM (Digital Subscriber Line Access Multiplexer), and Ethernet cable, are all components that are involved in the DSL circuit, but they come after the customer's computer in the connection process.

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  • 3. 

    What connects a customer's computer to the CPE?

    • A.

      Ethernet or USB cables

    • B.

      Cable connection

    • C.

      Modem

    • D.

      Phone line

    Correct Answer
    A. Ethernet or USB cables
    Explanation
    Ethernet or USB cables connect a customer's computer to the CPE (Customer Premises Equipment). These cables are used to establish a physical connection between the computer and the CPE device, allowing data to be transferred between the two. Ethernet cables are commonly used for wired connections, while USB cables can also be used for connecting certain devices to the CPE.

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  • 4. 

    Why are DSL filters required in an AT&T customer's home?

    • A.

      To separate, or "split," the DSL signal from the low frequency voice signal.

    • B.

      To separate e-mail traffic from regular Internet traffic.

    • C.

      To clean the digital DSL signal of any "noise."

    • D.

      To prevent interference from cell phones.

    Correct Answer
    A. To separate, or "split," the DSL signal from the low frequency voice signal.
    Explanation
    DSL filters are required in an AT&T customer's home to separate or "split" the DSL signal from the low frequency voice signal. This is necessary because DSL signals and voice signals operate at different frequencies, and without a filter, the two signals would interfere with each other, causing poor voice quality and slow internet speeds. The filter ensures that the DSL signal is directed to the appropriate devices while allowing the voice signal to be transmitted to telephones and other voice devices without any interference.

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  • 5. 

    The Digital Subscriber Line Access Multiplexer (DSLAM) is a network device that separates data signals and voice signals.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    A DSLAM is indeed a network device that separates data signals and voice signals. It is typically used in digital subscriber line (DSL) networks to aggregate multiple customer connections and direct them to the appropriate destination. By separating data and voice signals, the DSLAM ensures efficient transmission and delivery of both types of signals without interference or degradation in quality.

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  • 6. 

    Which of the following describes sync?

    • A.

      Ongoing or constant communication between a modem and the DSLAM.

    • B.

      Ongoing or constant communication between a DSLAM and the Internet.

    • C.

      Ongoing or constant communication between a network and the Internet.

    • D.

      None of items listed.

    Correct Answer
    A. Ongoing or constant communication between a modem and the DSLAM.
    Explanation
    Sync refers to the ongoing or constant communication between a modem and the DSLAM (Digital Subscriber Line Access Multiplexer). This communication is essential for establishing and maintaining a stable connection between the user's modem and the DSLAM, which acts as the gateway to the internet service provider's network. The sync process ensures that the modem and DSLAM are properly synchronized, allowing for reliable data transmission and reception.

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  • 7. 

    What is DHCP?

    • A.

      The protocol used to assign unique IP addresses to the various devices on a computer network

    • B.

      The current, most common connection type for most networking equipment, including hubs, routers, and switches

    • C.

      Any graphical or non-text-based interface on a computer system

    • D.

      A common cause of interference with electronic equipment

    Correct Answer
    A. The protocol used to assign unique IP addresses to the various devices on a computer network
    Explanation
    DHCP stands for Dynamic Host Configuration Protocol. It is a network protocol used to automatically assign unique IP addresses to devices on a computer network. This protocol allows devices to join a network and obtain an IP address without manual configuration. DHCP ensures efficient and centralized management of IP addresses, making it easier to connect and communicate between devices on a network.

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  • 8. 

    What is an IP address?

    • A.

      A unique number that can be used to identify any device on a computer network that uses the IP standard.

    • B.

      A unique media access controller address that is located on every network card.

    • C.

      A unique combination of numbers and letters used to identify any device on a Novell network.

    • D.

      A telephone number that computers use to translate data on the Internet using the IP standard.

    Correct Answer
    A. A unique number that can be used to identify any device on a computer network that uses the IP standard.
    Explanation
    An IP address is a unique number that is assigned to each device on a computer network. It is used to identify and locate devices on the network, allowing them to communicate with each other. The IP standard refers to the set of rules and protocols that govern the way data is transmitted over the internet. By using IP addresses, devices can send and receive data packets across the network, enabling communication and data transfer between different devices.

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  • 9. 

    When you send or receive data through a computer network, the message gets divided into discrete chunks called:

    • A.

      Packets

    • B.

      IP addresses

    • C.

      Pings

    • D.

      Ports

    Correct Answer
    A. Packets
    Explanation
    When data is sent or received through a computer network, it is divided into smaller units called packets. These packets contain a portion of the original message along with additional information such as the source and destination addresses. This division into packets allows for efficient transmission over the network, as each packet can take a different route and be reassembled at the destination.

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  • 10. 

    AT&Ti supports IPv6, the next-generation IP address specifcation?

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    AT&T does support IPv6, the next-generation IP address specification. Therefore, the given answer is incorrect.

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  • 11. 

    What type of IP address will always stay the same when associated to a user's account?

    • A.

      Static

    • B.

      Dynamic

    • C.

      Point-to-Point

    • D.

      Both static and dynamic

    Correct Answer
    A. Static
    Explanation
    A static IP address is the type of IP address that will always stay the same when associated with a user's account. Unlike dynamic IP addresses, which can change each time a user connects to the network, a static IP address remains constant and provides a fixed identification for the user. This can be useful for certain applications that require a consistent IP address, such as hosting a website or setting up remote access to a network.

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  • 12. 

    What command would you use to view information on the various network addresses and devices involved in a system's  network connections?

    • A.

      IPCONFIG

    • B.

      PING

    • C.

      CMD

    • D.

      FTP

    Correct Answer
    A. IPCONFIG
    Explanation
    The command "IPCONFIG" is used to view information on the various network addresses and devices involved in a system's network connections. It displays the IP address, subnet mask, default gateway, and other network configuration details for all active network interfaces on the system. This command is commonly used in troubleshooting network connectivity issues and gathering network information.

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  • 13. 

    What is the term for a router-enabled feature that directs all unsolicited incoming traffic to a single computer on the network?

    • A.

      IP passthrough

    • B.

      File and print sharing

    • C.

      Port forwarding

    • D.

      Wireless networking

    Correct Answer
    A. IP passthrough
    Explanation
    IP passthrough is the correct answer because it is a router-enabled feature that allows all unsolicited incoming traffic to be directed to a single computer on the network. This feature essentially "passes through" all incoming traffic to a specific IP address, allowing that computer to receive and respond to the incoming requests. IP passthrough is commonly used for applications such as gaming or hosting servers, where it is necessary to direct all incoming traffic to a specific computer on the network.

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  • 14. 

    A client is a computer application that relies on another remote application to perform storage, communications, or processing functions.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    A client is indeed a computer application that depends on another remote application to carry out storage, communications, or processing tasks. In this scenario, the client application does not have the necessary resources or capabilities to perform these functions on its own, so it relies on the remote application to fulfill these tasks.

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  • 15. 

    What is a browser?

    • A.

      An application that allows users to access content on the World Wide Web or a LAN

    • B.

      A unique name for a computer

    • C.

      A program that ensures that the computer is running at optimal performance

    • D.

      An application that prevents spyware and viruses from infecting a computer

    Correct Answer
    A. An application that allows users to access content on the World Wide Web or a LAN
    Explanation
    A browser is an application that allows users to access content on the World Wide Web or a LAN. It is a software program that enables users to view and interact with websites, web pages, and other online content. Browsers provide a graphical user interface for users to navigate through the internet, search for information, and view various types of media such as text, images, videos, and audio. They also support features like bookmarks, history, and extensions to enhance the browsing experience. Overall, a browser acts as a gateway between the user and the internet, enabling them to access and consume online content.

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  • 16. 

    Which of the following is a pre-determined amount of disk space that the browser uses to temporarily store files that the browser displays? 

    • A.

      Cache

    • B.

      Cookie

    • C.

      Credit

    • D.

      Packet

    Correct Answer
    A. Cache
    Explanation
    The correct answer is "Cache". In web browsing, the browser uses a pre-determined amount of disk space to temporarily store files that it displays. This temporary storage is known as the cache. The cache helps to speed up the browsing experience by storing frequently accessed files locally, so they can be retrieved quickly without having to download them again from the internet.

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  • 17. 

    Which of the following are small text files that a server sends to a web browser and that are returned every time the browser accesses that server?

    • A.

      Cookies

    • B.

      Caches

    • C.

      Credits

    • D.

      Packets

    Correct Answer
    A. Cookies
    Explanation
    Cookies are small text files that a server sends to a web browser and are returned every time the browser accesses that server. These files are used to store information about the user's preferences, login credentials, and browsing history. They allow websites to remember specific user information and provide a personalized experience.

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  • 18. 

    The three types of internet connections are Static, Open and Dynamic.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The given statement is incorrect. The three types of internet connections are not Static, Open, and Dynamic. The correct types of internet connections are Dial-up, Broadband, and Wireless.

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  • 19. 

    A segment ping verifies the DSL modem, located at the customer’s premise, is only in sync with the DSLAM

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    A segment ping does not verify that the DSL modem is only in sync with the DSLAM. It is used to test the connectivity between two devices on the same network segment. Therefore, the statement is false.

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  • 20. 

    The DSLAM and Rback are provisioned with the customer’s unique VP and VC circuit information.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The DSLAM (Digital Subscriber Line Access Multiplexer) and Rback (Remote Access Server) are network devices that are responsible for providing internet connectivity to customers. To establish a connection, they need to be provisioned with the customer's unique VP (Virtual Path) and VC (Virtual Circuit) circuit information. This information helps in routing the customer's data packets correctly through the network. Therefore, the statement is true.

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