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MCQs

Total Questions : 885 | Page 51 of 89 pages
Question 501. The communication mode that supports data in both directions at the same time is
  1.    multiplex
  2.    half-duplex
  3.    simplex
  4.    full-duplex
  5.    None of these
 Discuss Question
Answer: Option D. -> full-duplex
Question 502. Phase shift keying (psk) method is used to modulate digital signals at 9600 bps using 16 levels. Find the line signaling speed (i.e., modulation rate)
  1.    4800 bands
  2.    1200 bands
  3.    DHCP Management Console
  4.    9600 bands
  5.    2400 bands
 Discuss Question
Answer: Option E. -> 2400 bands
Question 503. One important characteristic of the hub architecture of ARC-net is
  1.    None of these
  2.    access control and addressing
  3.    multiple virtual networks
  4.    directionalized transmission
  5.    alternative routing
 Discuss Question
Answer: Option D. -> directionalized transmission
Question 504. Which of the following program is used to copy files to or from another UNIX timesharing system over a single link?
  1.    None of these
  2.    UUCP
  3.    UART
  4.    TFTP
  5.    VMTP
 Discuss Question
Answer: Option B. -> UUCP
Question 505. You are in the process of analyzing a problem that requires you to collect and store TCP/IP Packets. Which of the following utilities is best suited for this purpose?
  1.    Network Monitor
  2.    Performance Monitor
  3.    NETSTAT
  4.    DHCP Management Console
  5.    NBTSTAT
 Discuss Question
Answer: Option A. -> Network Monitor
Question 506. What is the name of the network topology in which there are bi-directional links between each possible node?
  1.    Ring
  2.    Star
  3.    None of these
  4.    Mesh
  5.    Tree
 Discuss Question
Answer: Option D. -> Mesh
Question 507. What is the main purpose of a data link content monitor?
  1.    to determine the type of switching used in a data link.
  2.    to detect problems in protocols
  3.    to determine the flow of data
  4.    to determine the type of transmission used in a data link
  5.    None of these
 Discuss Question
Answer: Option B. -> to detect problems in protocols
Question 508. Synchronous protocols
  1.    None of these
  2.    allow faster transmission than asynchronous protocols do
  3.    transmit characters one at a time
  4.    are generally used by personal computers
  5.    are more reliable
 Discuss Question
Answer: Option B. -> allow faster transmission than asynchronous protocols do
Question 509. A software that allows a personal computer to pretend it as a terminal is
  1.    terminal emulation
  2.    bulletin board
  3.    auto-dialing
  4.    None of these
  5.    modem
 Discuss Question
Answer: Option C. -> auto-dialing
Question 510. Videotex is a combination of
  1.    None of these
  2.    computer technology
  3.    communication
  4.    All of these
  5.    television
 Discuss Question
Answer: Option D. -> All of these

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