A+ Essentials Chapter 21

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A Plus Essential Quizzes & Trivia

Local Area Networking

In this chapter, you will learn how to

• Explain network technologies
• Explain network operating systems
• Install and configure wired networks
• Install and configure wireless networks
• Troubleshoot networks


Questions and Answers
  • 1. 

    To provide a computer with a physical and electronic connection to anetwork, what must be installed?

    • A.

      A hub

    • B.

      A router

    • C.

      A NIC

    • D.

      A bridge

    Correct Answer
    C. A NIC
    Explanation
    A system must have a NIC to participate in any type of network.

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  • 2. 

    How far apart can two PCs that share the same 100BaseT switch be placed?

    • A.

      100 meters

    • B.

      200 meters

    • C.

      330 meters

    • D.

      1000 meters

    Correct Answer
    B. 200 meters
    Explanation
    Each system can be 100 meters from the switch, so any two systems can be
    up to 200 meters apart.

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  • 3. 

    Under ideal conditions, the 802.11g standard supports data throughput of upto ________ and has a range of up to ________.

    • A.

      11 Mbps/150 feet

    • B.

      11 Mbps/300 feet

    • C.

      54 Mbps/150 feet

    • D.

      54 Mbps/300 feet

    Correct Answer
    B. 11 Mbps/300 feet
    Explanation
    Under ideal conditions, the 802.11g standard supports data throughput of
    up to 11 Mbps and has a range of up to 300 feet.

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  • 4. 

    What is the minimum specification of cable types for 100BaseT networks?

    • A.

      CAT 2

    • B.

      CAT 3

    • C.

      CAT 4

    • D.

      CAT 5

    Correct Answer
    D. CAT 5
    Explanation
    100BaseT requires CAT 5 rated cabling.

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  • 5. 

    Joe needs to network two computers in his office together using an Ethernetpeer-to-peer connection. What kind of cable does he need?

    • A.

      CAT-5

    • B.

      Crossover

    • C.

      UTP

    • D.

      STP

    Correct Answer
    B. Crossover
    Explanation
    Joe needs a crossover cable to network two computers in his office together
    using an Ethernet peer-to-peer connection.

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  • 6. 

    What are the two TIA/EIA standards for connecting an RJ-45 connector to UTPcable?

    • A.

      10BaseT/100BaseT

    • B.

      CAT5/CAT5e

    • C.

      RG-58/RG-59

    • D.

      568A/568B

    Correct Answer
    D. 568A/568B
    Explanation
    The TIA/EIA has two standards for connecting the RJ-45 connector to the
    UTP cable: TIA/EIA 568A and TIA/EIA 568B.

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  • 7. 

    Steven’s Windows XP system can’t connect to the Internet, and he comes toyou, his PC tech, for help. You figure out that it’s a DHCP problem. Whatprogram should you run to get him a new DHCP lease?

    • A.

      IPCONFIG

    • B.

      WINIPCFG

    • C.

      CONFIG

    • D.

      DHCP /RENEW

    Correct Answer
    A. IPCONFIG
    Explanation
    You should run IPCONFIG to get a new DHCP lease for Steven’s Windows
    XP system. WINIPCFG was the program used by Windows 9x for this task.
    /RENEW is a valid switch for both programs, but not for CONFIG.

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  • 8. 

    Which encryption protocol offers the best security?

    • A.

      Hi-Encrypt

    • B.

      WEP

    • C.

      WPA

    • D.

      WPA2

    Correct Answer
    D. WPA2
    Explanation
    WPA2 is the best of the encryption technologies listed.

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  • 9. 

    Bluetooth technology enables computers to link into what sort of network?

    • A.

      Bluetooth area network (BAN)

    • B.

      Personal area network (PAN)

    • C.

      Local area network (LAN)

    • D.

      Wide area network (WAN)

    Correct Answer
    B. Personal area network (PAN)
    Explanation
    Bluetooth creates personal area networks.

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