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Total Questions : 885 | Page 28 of 89 pages
Question 271. Compared to analog signals, digital signals
  1.    None of these
  2.    All of these
  3.    are more accurate
  4.    both A and B
  5.    allow faster transmission
 Discuss Question
Answer: Option D. -> both A and B
Question 272. Transmission of computerised data from one location to another is called
  1.    data management
  2.    data communication
  3.    data transfer
  4.    data flow
  5.    None of these
 Discuss Question
Answer: Option B. -> data communication
Question 273. Which of the following layer protocols are responsible for user and the application programme support such as passwords, resource sharing, file transfer and network management?
  1.    Layer 4 protocols
  2.    Layer 6 protocols
  3.    None of these
  4.    Layer 5 protocols
  5.    Layer 7 protocols
 Discuss Question
Answer: Option E. -> Layer 7 protocols
Question 274. What frequency range is used for FM radio transmission?
  1.    Low Frequency : 30 kHz to 300 kHz
  2.    Very Low Frequency : 3 kHz to 30. kHz
  3.    None of these
  4.    Very High Frequency : 30 MHz to 300 MHz
  5.    High Frequency : 3 MHz to 30 MHz
 Discuss Question
Answer: Option D. -> Very High Frequency : 30 MHz to 300 MHz
Question 275. If delays are recorded as 10 bit numbers in a 50 router network, and delay vectors are exchanged twice a second, how much bandwidth per fill duplex line is occupied by the distributed routing algorithm?
  1.    500 bps
  2.    1000 bps
  3.    None of these
  4.    1500 bps
  5.    5 bps
 Discuss Question
Answer: Option B. -> 1000 bps
Question 276. A central computer surrounded by one or more satellite computers is called a
  1.    bus network
  2.    None of these
  3.    ring network
  4.    star network
  5.    All of these
 Discuss Question
Answer: Option D. -> star network
Question 277. An anticipated result from multiprogramming operations is:
  1.    All of these
  2.    better scheduling of work
  3.    the handling of more jobs
  4.    None of these
  5.    reduced computer idle time
 Discuss Question
Answer: Option A. -> All of these
Question 278. FDDI is a
  1.    mesh network
  2.    None of these
  3.    star network
  4.    bus based network
  5.    ring network
 Discuss Question
Answer: Option E. -> ring network
Question 279. HOSTS file entries are limited to how many characters?
  1.    255
  2.    8
  3.    500
  4.    Unlimited
  5.    None of these
 Discuss Question
Answer: Option A. -> 255
Question 280. Demodulation is the process of
  1.    converting analog signals to digital signals
  2.    None of these
  3.    converting digital signals to analog signals
  4.    dividing the high-speed signals into frequency bands
  5.    combining many low speed channels into one high speed channel
 Discuss Question
Answer: Option A. -> converting analog signals to digital signals

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