Basic Computer Networks MCQ Question and Answer

Basic Computer Networks MCQ Question and Answer
91. In a broad sense, a railway track is an example of
  • simplex
  • half-duplex
  • full-duplex
  • all of these
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92. ICI (interface control information) is
  • used to transfer user data from layer to layer
  • Used to exchange information by peer entities at different sites on the network to instruct an entity to perform a service function
  • a combination of service data unit (SDU) and protocol control information (PCI)
  • a temporary parameter passed between N and N - 1 layers to involve service functions between two layers
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93. Viruses belongs to which network issue
  • performance
  • reliability
  • security
  • all of the above
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94. Which topology requires a central controller or hub ?
  • mesh
  • star
  • bus
  • ring
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95. Which topology requires a multipoint connection ?
  • mesh
  • star
  • bus
  • ring
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96. Protection of data from a natural disaster such as a tornado belongs to which of the following network issue.
  • performance
  • reliability
  • secirity
  • management
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97. Frequency of failure and network recovery time after a failure are measures of the what concept of a network ?
  • performances
  • reliability
  • security
  • feasibility
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98. What is the division of one task among multiple computers ?
  • distributed processing
  • distributed messaging
  • distributed telephony
  • electronic messaging
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99. If a protocol specifies that data should be sent at 100 Mbps, what is this issue ?
  • syntax
  • semantics
  • timing
  • none of the above
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100. When a protocol specifies that the address of the sender must occupy the first four bytes of a message, what is the issue ?
  • syntax
  • semantics
  • timing
  • none of the above
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