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MCQs

Total Questions : 885 | Page 53 of 89 pages
Question 521. Which of the following services dynamically resolves NetBIOS-to-IP resolution?
  1.    WINS
  2.    None of these
  3.    LMHOSTS
  4.    DHCP
  5.    DNS
 Discuss Question
Answer: Option A. -> WINS
Question 522. Number of bits per symbol used in Baudot code is
  1.    None of these
  2.    8
  3.    9
  4.    1
  5.    5
 Discuss Question
Answer: Option E. -> 5
Question 523. An example of a medium-speed, switched communications service is
  1.    None of these
  2.    Dataphone 50
  3.    All of these
  4.    Series 1000
  5.    DDD
 Discuss Question
Answer: Option E. -> DDD
Question 524. Working of the WAN generally involves
  1.    All of these
  2.    satellites
  3.    telephone lines
  4.    microwaves
  5.    None of these
 Discuss Question
Answer: Option A. -> All of these
Question 525. A computer that handles resource sharing and network management in a local area network. Select the best fit for answer:
  1.    Network Server
  2.    Network operating system
  3.    Virtual Private Network
  4.    Three
  5.    OSI
 Discuss Question
Answer: Option A. -> Network Server
Question 526. Repeaters are often used on an 802.3 network to help strengthen the signals being transmitted. As with the length of segments and the number of segments, a limit exists as to how many repeaters can be used between any two nodes. What is the maximum number of repeaters that can be used?
  1.    Six
  2.    Two
  3.    Four
  4.    Five
  5.    Three
 Discuss Question
Answer: Option C. -> Four
Question 527. How much power (roughly) a light-emitting diode can couple into an optical fiber?
  1.    10 milliwatts
  2.    100 picowatts
  3.    100 microwatts
  4.    None of these
  5.    440 microwatts
 Discuss Question
Answer: Option C. -> 100 microwatts
Question 528. A modem that is attached to the telephone system by jamming the phone's handset into two flexible receptacles in the coupler?
  1.    None of these
  2.    acoustic coupler
  3.    bridge
  4.    gateway
  5.    time-division multiplexer
 Discuss Question
Answer: Option B. -> acoustic coupler
Question 529. With telecommunications and a personal computer you can
  1.    "download" free public domain programs
  2.    All of these
  3.    send letters to be printed and delivered by the post office
  4.    None of these
  5.    order goods at a substantial discount
 Discuss Question
Answer: Option B. -> All of these
Question 530. Which of the following signals is not standard RS - 232-C signal?
  1.    RTS
  2.    DSR
  3.    CTS
  4.    VDR
  5.    None of these
 Discuss Question
Answer: Option D. -> VDR

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