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MCQs

Total Questions : 885 | Page 25 of 89 pages
Question 241. Which of the following types of channels moves data relatively slowly?
  1.    voiceband channel
  2.    narrowband channel
  3.    None of these
  4.    wideband channel
  5.    broadband channel
 Discuss Question
Answer: Option B. -> narrowband channel
Question 242. Internet-like networks within an enterprise.
  1.    Intranets
  2.    Extranets
  3.    Switching alternating
  4.    Inter organizational networks
 Discuss Question
Answer: Option A. -> Intranets
Question 243. Which of the following is required to communicate between two computers?
  1.    communications software
  2.    communications hardware
  3.    access to transmission medium
  4.    All of these
  5.    protocol
 Discuss Question
Answer: Option D. -> All of these
Question 244. With an IP address of 100, you currently have 80 subnets. What subnet mask should you use to maximize the number of available hosts?
  1.    252
  2.    248
  3.    240
  4.    224
  5.    192
 Discuss Question
Answer: Option A. -> 252
Question 245. Which of the following does not allow multiple users or devices to share one communications line?
  1.    controller
  2.    concentrator
  3.    multipplexer
  4.    None of these
  5.    doubleplexer
 Discuss Question
Answer: Option E. -> doubleplexer
Question 246. The geostationary satellite used for communication systems
  1.    is positioned over equator
  2.    None of these
  3.    rotates with the earth
  4.    All of these
  5.    remains stationary relative to the earth
 Discuss Question
Answer: Option D. -> All of these
Question 247. The _____ houses the switches in token ring.
  1.    None of these
  2.    MAU
  3.    nine-pin connector
  4.    transceiver
  5.    NIC
 Discuss Question
Answer: Option B. -> MAU
Question 248. Telecommunication networks frequently interconnect an organization with its customers and suppliers. Select the best fit for answer:
  1.    Switching alternating
  2.    Inter organizational networks
  3.    Bandwidth alternatives
  4.    None of these
  5.    Extranets
 Discuss Question
Answer: Option B. -> Inter organizational networks
Question 249. The packets switching concept was first proposed
  1.    in the early 1960s for military communication systems, mainly to handle speech
  2.    in the late 1980s for the Defense Ministry of US.
  3.    in the late 1950s for Defense Ministry of US
  4.    None of these
  5.    All of these
 Discuss Question
Answer: Option A. -> in the early 1960s for military communication systems, mainly to handle speech
Question 250. What device separates a single network into two segments but lets the two segments appear as one to higher protocols?
  1.    Router
  2.    Gateway
  3.    Bridge
  4.    Switch
 Discuss Question
Answer: Option C. -> Bridge

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