Data Communication and Computer Networks - Computer Network
- Option : A
- Explanation : In time division switches 2nT = 1 frame period, where T = memory access time.
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- Option : B
- Explanation : Reliability can be measured by a frequency of failure and network recovery time after a failure. Catastrophic events. In this case frequency of failure and network recovery time after a failure are the reliability issues.
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- Option : B
- Explanation : Protocol is a set of rules and regulations which manages the data communication system. Syntax refers to the structure or format of the data.
Semantics means meaning of data. Here this issue is semantic issue.
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19. Which of the following two networks can use possible hubs ?
- Option : C
- Explanation :
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- A
A set of distinct but non-contiguous portions of the domain name space managed by multiple administrators
- B
A distinct, contiguous portion of the domain name space managed by multiple administrators
- C
A set of distinct but non-contiguous portions of the domain name space managed by a single administrator
- D
A distinct, contiguous portion of the domain name space managed by a single administrator
- Option : D
- Explanation :
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