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We have listed here top computer networks questions answers, which covers all important networking chapters like Topologies, Transmission modes, Categories of Networks, OSI model, IP classes etc. You should practice these computer networking short questions for interview and for your competitive exams.
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Q 61.
Automatic repeat request error management mechanism is provided by ?
Ans.
Logical link control sublayer
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Q 62.
The data link layer takes the packets from _________ and encapsulate them into frames for transmission ?
Ans.
Network layer
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Q 63.
Three or more devices share a link in ________ connection ?
Ans.
Multipoint
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Q 64.
The _______ is the physical path over which a message travels ?
Ans.
Medium
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Q 65.
Communication between a computer and a keyboard involves ________ transmission ?
Ans.
Simplex
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Q 66.
The IETF standard documents are called ?
Ans.
RFC (Request For comments)
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Q 67.
Which extends a private network across the public networks ?
Ans.
Virtual private network
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Q 68.
When network congestion occurs ?
Ans.
In the case of traffic overloading
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Q 69.
A list of protocols used by a system, one protocol per layer is called ?
Ans.
Protocol stack
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Q 70.
A communication channel is shared by all the machines on the network is called ?
Ans.
Broadcast network
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Q 71.
Which one of the following computer network is built on the top of another network ?
Ans.
Overlay network
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Q 72.
When collection of various computers seems a single coherent system to its client, then it is a ?
Ans.
Distributed system
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