Multiple Choice Questions On Computer Networks

1) Which of the following is considered a broad band communication channel ?
  1. coaxial cable
  2. fiber optics cable
  3. microwave circuits
  4. all of above
Show/Hide Answer
Answer = D
2) Which of the following does not allow multiple uses or devices to share one communication line?
  1. doubleplexer
  2. multiplexer
  3. concentrator
  4. controller
Show/Hide Answer
Answer = A
3) Which of the following is required to communicate between two computers ?
  1. communications software
  2. protocol
  3. communication hardware
  4. all of above including access to transmission medium
Show/Hide Answer
Answer = D
4)Which of the following is an advantage to using fiber optics data transmission ?
  1. resistance to data theft
  2. fast data transmission rate
  3. low noise level
  4. all of above
Show/Hide Answer
Answer = D
5)The interactive transmission of data within a time sharing system may be best suited to ?
  1. simplex lines
  2. half-duplex lines
  3. full duplex lines
  4. biflex-lines
Show/Hide Answer
Answer = B
6) The optical fiber trans-Atlantic cable TAT-14 includes a section from Bude, Cornwall to Tucker ton, New Jersey. Determine the propagation delay if the route length is 6,254 km. ?
  1. 31.98 ms
  2. 3.198 ms.
  3. 31.27 ms
  4. 312.7 ms
Show/Hide Answer
Answer = C
7) Manchester encoding is principally designed to ?
  1. ensure that the line remains unbalanced.
  2. have more than one symbol per bit period.
  3. increase the bandwidth of a signal transmitted on the medium
  4. ensure that a transition occurs in the center of each bit period.
Show/Hide Answer
Answer = D
8) A router ?
  1. forwards a packet to all outgoing links.
  2. forwards a packet to all outgoing links, except the link upon which the packet originated
  3. forwards a packet to the next free outgoing link
  4. determines on which outgoing link a packet is to be forwarded.
Show/Hide Answer
Answer = D
9) Telephone systems may be classified as ?
  1. simplex and symmetrical.
  2. duplex and asymmetrical.
  3. simplex and asymmetrical.
  4. duplex and symmetrical.
Show/Hide Answer
Answer = D
10) Which of the following signal is not standard RS-232-C signal ?
  1. VDR
  2. RTS
  3. CTS
  4. DSR
Show/Hide Answer
Answer =A

You May Also Read:
Basic Networking Quiz
Network Fundamental Quiz
Computer Network MCQ With Answers

Do You Like This? Please take 5 seconds to share with your firends.