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Computer Networking - IPv6
Computer Networking - TCP IP
Computer Networking - IP Routing
Computer Networking - Subnetting
Computer Networking - Virtual LANs
Computer Networking - EIGRP and OSPF
Computer Networking - Internetworking
Computer Networking - Networking Basics
Computer Networking - Wide Area Networks
Computer Networking - Wireless Technologies
Computer Networking - Spanning Tree Protocol
Computer Networking - Networking Miscellaneous
Computer Networking - Network Address Translation
Computer Networking - Managing a Cisco Internetwork
Computer Networking - IOS and Security Device Manager
  1. To avoid transmission errors, a check figure is calculated by the

    2. A.

     transmitting computer
    B.

     receiving computer
    C.

     both A and B
    D.

     Start and stop bit
    E.

     None of the above

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  2. What is the first octet range for a class A IP address?

    3. A.

     1 - 126
    B.

     192 - 255
    C.

     192 - 223
    D.

     1 - 127
    E.

     128 - 191

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  3. Which of the following is not a standard synchronous communication protocol?

    4. A.

     SDLC
    B.

     SMTP
    C.

     SLIP
    D.

     PAS
    E.

     None of the above

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  4. The network layer, in reference to the OSI model, provide

    5. A.

     data link procedures that provide for the exchange of data via frames that can be sent and received
    B.

     the interface between the X.25 network and packet mode device
    C.

     the virtual circuit interface to packet-switched service
    D.

     All of the above
    E.

     None of the above

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  5. In OSI network architecture, the routing is performed by

    6. A.

     network layer
    B.

     data link layer
    C.

     transport layer
    D.

     session layer
    E.

     None of the above

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  6. Which of the following communications lines is best suited to interactive processing applications?

    7. A.

     narrowband channels
    B.

     simplex lines
    C.

     full-duplex lines
    D.

     mixed band channels
    E.

     None of the above

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  7. What is the first octet range for a class B IP address?

    8. A.

     128 - 255
    B.

     1 - 127
    C.

     192 - 223
    D.

     128 - 191
    E.

     127 - 191

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  8. The 32-bit internet address 10000000 00001010 00000010 00011110 will be written in dotted decimal notation as

    9. A.

     148.20.2.30
    B.

     164.100.9.61
    C.

     210.20.2.64
    D.

     128.10.2.30
    E.

     None of the above

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  9. Which of the following items is not used in Local Area Networks (LANs)?

    10. A.

     Computer
    B.

     Modem
    C.

     Printer
    D.

     Cable
    E.

     None of the above

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  10. Error detection at a data link level is achieved by

    11. A.

     bit stuffing
    B.

     cyclic redundancy codes
    C.

     Hamming codes
    D.

     equalization
    E.

     None of the above

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