Objective Type Questions On Computer Networks - Set 8

Following are the multiple choice question on Computer Network related concepts that are useful for the competitive exams like UGC-NET Exam, TET Exams etc.
 
1) Manchester code is a ?

  1. Bi- Polar code
  2. non return to zero code
  3. polar code
  4. B and C
Show/Hide Answer
Answer = D 
Explanation:No Explanation

2) How many OSI layers are covered in the X.25 standard ?
  1. three
  2. two
  3. seven
  4. six
  5. None of above
Show/Hide Answer
Answer = A 
Explanation:The three layer are : Physical, Data Link, Network. 

3) The receive equalizer reduce delay distortions using ?
  1. tapped delay lines
  2. gearshift
  3. descrambler
  4. difference engine
  5. None of above
Show/Hide Answer
Answer = A 
Explanation: No Explanation 
4) In communication satellite, multiple repeaters are known as ?
  1. detector
  2. modulator
  3. stations
  4. transponders
  5. None of above
Show/Hide Answer
Answer = D 
Explanation: A communications satellite's transponder, is the series of interconnected units which form a communications channel between the receiving and the transmitting antennas.
5) In OSI network architecture, the dialogue control and token management are responsibilities of ?
  1. Session layer
  2. network layer
  3. transport layer
  4. Data link layer
  5. None of above
Show/Hide Answer
Answer = A 
Explanation: No Explanation
6) The geostationary satellite used for communication system ?
  1. rotates with earth
  2. remains stationery relative to the earth
  3. is positioned over equator
  4. All of above
Show/Hide Answer
Answer = D 
Explanation:  A geosynchronous satellite is a satellite in geosynchronous orbit, with an orbital period the same as the Earth's rotation period. Such a satellite returns to the same position in the sky after each sidereal day, and over the course of a day traces out a path in the sky that is typically some form of analemma. A special case of geosynchronous satellite is the geostationary satellite, which has a geostationary orbit – a circular geosynchronous orbit directly above the Earth's equator
7) Radio communication frequencies ranges from?
  1. 3 KHz to 300 KHz
  2. 3 KHz to 300 GHz
  3. 300 KHz to 3 GHz
  4. 3 KHz to 3,000 GHz
Show/Hide Answer
Answer = B 
Explanation: Radio frequency (RF) is a rate of oscillation in the range of about 3 kHz to 300 GHz, which corresponds to the frequency of radio waves, and the alternating currents which carry radio signals.
8) The frequency ranges from 300 KHz to 3 MHz is used for ?
  1. AM radio transmission
  2. TV transmission
  3. FM radio transmission
  4. Microwave communication, satellite and rader
  5. None of above
Show/Hide Answer
Answer = A  
Explanation: No Explanation 
9) Establishing a virtual connection is functionally equivalent to ?
  1. Connecting as virtual memory
  2. Physically connecting a DTE and DCE
  3. Placing a telephone call prior to a conversation
  4. Placing a modem prior to a conversation
  5. None of above
Show/Hide Answer
Answer = C 
Explanation: No Explanation 
10) Which of the following is a function of e-mail system ?
  1. Composition
  2. Transfer
  3. Reporting
  4. All of above
Show/Hide Answer
Answer = D 
Explanation: No Explanation 
Tags :  Computer Networks multiple choice questions with answers, Objective type questions on computer networks with answers, networking MCQ's, Computer network mcqs, UGC-NET exam preparation, TET exams preparation, multiple choice questions on computer networks , Teacher eligibility test, TET Exams preparation.


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