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MCQs

Total Questions : 885 | Page 23 of 89 pages
Question 221. Which of the following device is used to connect two systems, especially if the systems use different protocols?
  1.    repeater
  2.    bridge
  3.    None of these
  4.    gateway
  5.    hub
 Discuss Question
Answer: Option D. -> gateway
Question 222. Which of the following TCP/IP protocol allows an application program on one machine to send a datagram to an application program on another machine?
  1.    X.25
  2.    UDP
  3.    SMTP
  4.    None of these
  5.    VMTP
 Discuss Question
Answer: Option B. -> UDP
Question 223. A distributed network configuration in which all data/information pass through a central computer is
  1.    ring network
  2.    None of these
  3.    Point-to-point network
  4.    star network
  5.    bus network
 Discuss Question
Answer: Option D. -> star network
Question 224. The synchronous modems are more costly than the asynchronous modems because
  1.    None of these
  2.    they transmit the data with stop and start bits.
  3.    they produce large volume of data
  4.    they operate with a larger bandwidth
  5.    they contain clock recovery circuits
 Discuss Question
Answer: Option E. -> they contain clock recovery circuits
Question 225. A remote batch-processing operation in which data is solely input to a central computer would require a:
  1.    None of these
  2.    mixedband channel
  3.    All listed here
  4.    simplex lines
  5.    telegraph line
 Discuss Question
Answer: Option D. -> simplex lines
Question 226. If you get both local and remote echoes, every character you type will appear on the screen
  1.    three times
  2.    never
  3.    None of these
  4.    twice
  5.    once
 Discuss Question
Answer: Option D. -> twice
Question 227. ICMP (Internet Control Message Protocol) is
  1.    a protocol that handles error and control messages
  2.    a TCP/IP high level protocol for transferring files from one machine to another
  3.    None of these
  4.    a protocol used to monitor computers
  5.    a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address
 Discuss Question
Answer: Option A. -> a protocol that handles error and control messages
Question 228. The slowest transmission speeds are those of
  1.    microwaves
  2.    fiber-optic cable
  3.    coaxial cable
  4.    twisted-pair wire
 Discuss Question
Answer: Option D. -> twisted-pair wire
Question 229. What part of 192.168.10.51 is the Network ID, assuming a default subnet mask?
  1.    192.168.10
  2.    0.0.0.5
  3.    51
  4.    None of these
  5.    192
 Discuss Question
Answer: Option A. -> 192.168.10
Question 230. A noiseless 3 KHz Channel transmits bits with binary level signals. What is the maximum data rate?
  1.    6 Kbps
  2.    3 Kbps
  3.    24 Kbps.
  4.    12 Kbps
 Discuss Question
Answer: Option A. -> 6 Kbps

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