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  1. Telnet protocol is used to establish a connection to
  2. A.
    TCP port number 21
    B.
    TCP port number 22
    C.
    TCP port number 23
    D.
    TCP port number 24

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  3. Which one of the following is not true?
  4. A.
    telnet defines a network virtual terminal (NVT) standard
    B.
    client programs interact with NVT
    C.
    server translates NVT operations
    D.
    none of the mentioned

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  5. All telnet operations are sent as
  6. A.
    4 bytes
    B.
    8 bytes
    C.
    16 bytes
    D.
    32 bytes

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  7. AbsoluteTelnet is a telnet client for
  8. A.
    windows
    B.
    linux
    C.
    mac
    D.
    none of the mentioned

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  9. The decimal code of interpret as command (IAC) character is
  10. A.
    252
    B.
    253
    C.
    254
    D.
    255

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  11. In character mode operation of telnet implementation
  12. A.
    each character typed is sent by the client to the server
    B.
    each character typed is discarded by the server
    C.
    both (a) an (b)
    D.
    none of the mentioned

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  13. In telnet, the client echoes the character on the screen but does not send it until a whole line is completed in
  14. A.
    default mode
    B.
    character mode
    C.
    server mode
    D.
    none of the mentioned

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  15. Which one of the following is not correct?
  16. A.
    telnet is a general purpose client-server program
    B.
    telnet lets user access an application on a remote computer
    C.
    telnet can also be used for file transfer
    D.
    none of the mentioned

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  17. Which operating mode of telnet is full duplex?
  18. A.
    default mode
    B.
    server mode
    C.
    line mode
    D.
    none of the mentioned

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  19. If we want that a character be interpreted by the client instead of server
  20. A.
    escape character has to be used
    B.
    control functions has to be disabled
    C.
    it is not possible
    D.
    none of the mentioned

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