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MCQs

Total Questions : 885 | Page 27 of 89 pages
Question 261. The communication mode that supports two-way traffic but only one direction at a time is
  1.    simplex
  2.    duplex
  3.    half duplex
  4.    None of these
  5.    multiplex
 Discuss Question
Answer: Option C. -> half duplex
Question 262. What is the name of the software package that allows people to send electronic mail along a network of computers and workstations?
  1.    Project management package
  2.    Data communication package
  3.    None of these
  4.    Memory resident package
  5.    Electronic mail package
 Discuss Question
Answer: Option B. -> Data communication package
Question 263. Sending a file from your personal computer's primary memory or disk to another computer is called
  1.    logging on
  2.    None of these
  3.    hang on
  4.    downloading
  5.    uploading
 Discuss Question
Answer: Option E. -> uploading
Question 264. HMP (Host Monitoring Protocol) is:
  1.    a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address
  2.    a TCP/IP high level protocol for transferring files from one machine to another.
  3.    a protocol that handles error and control messages
  4.    None of these
  5.    a protocol used to monitor computers
 Discuss Question
Answer: Option E. -> a protocol used to monitor computers
Question 265. Which of the following is a voiceband channel?
  1.    None of these
  2.    Telephone line
  3.    Telegraph line
  4.    Microwave systems
  5.    Coaxial cable
 Discuss Question
Answer: Option B. -> Telephone line
Question 266. A 8-Mbps token ring has a token holding timer value of 10 msec. What is the longest frame (assume header bits are negligible) that can be sent on this ring?
  1.    8 x 105 bit frame
  2.    10,000 B frame
  3.    80,000 B frame
  4.    8000 B frame
 Discuss Question
Answer: Option B. -> 10,000 B frame
Question 267. Internet-like networks between a company and its business partners. Select the best fit for answer:
  1.    Bandwidth alternatives
  2.    Switching alternating
  3.    Inter organizational networks
  4.    Extranets
 Discuss Question
Answer: Option D. -> Extranets
Question 268. Data are sent over pin _____ of the EIA-232 interface.
  1.    All of these
  2.    4
  3.    2
  4.    3
 Discuss Question
Answer: Option C. -> 2
Question 269. Demodulation is a process of
  1.    converting digital to analog signals
  2.    converting analog to digital signals
  3.    performing data description.
  4.    multiplexing various signals into one high speed line signals
 Discuss Question
Answer: Option B. -> converting analog to digital signals
Question 270. An example of an analog communication method is
  1.    microwave
  2.    voice grade telephone line
  3.    None of these
  4.    laser beam
  5.    All of these
 Discuss Question
Answer: Option E. -> All of these

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