Basic Computer Networks Questions and Answers

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Q91
In a broad sense, a railway track is an example of
  • A simplex
  • B half-duplex
  • C full-duplex
  • D all of these
Answer: Option B
Q92
ICI (interface control information) is
  • A used to transfer user data from layer to layer
  • B Used to exchange information by peer entities at different sites on the network to instruct an entity to perform a service function
  • C a combination of service data unit (SDU) and protocol control information (PCI)
  • D a temporary parameter passed between N and N - 1 layers to involve service functions between two layers
Answer: Option D
Q93
Viruses belongs to which network issue
  • A performance
  • B reliability
  • C security
  • D all of the above
Answer: Option C
Q94
Which topology requires a central controller or hub ?
  • A mesh
  • B star
  • C bus
  • D ring
Answer: Option B
Q95
Which topology requires a multipoint connection ?
  • A mesh
  • B star
  • C bus
  • D ring
Answer: Option C
Q96
Protection of data from a natural disaster such as a tornado belongs to which of the following network issue.
  • A performance
  • B reliability
  • C secirity
  • D management
Answer: Option B
Q97
Frequency of failure and network recovery time after a failure are measures of the what concept of a network ?
  • A performances
  • B reliability
  • C security
  • D feasibility
Answer: Option B
Q98
What is the division of one task among multiple computers ?
  • A distributed processing
  • B distributed messaging
  • C distributed telephony
  • D electronic messaging
Answer: Option A
Q99
If a protocol specifies that data should be sent at 100 Mbps, what is this issue ?
  • A syntax
  • B semantics
  • C timing
  • D none of the above
Answer: Option C
Q100
When a protocol specifies that the address of the sender must occupy the first four bytes of a message, what is the issue ?
  • A syntax
  • B semantics
  • C timing
  • D none of the above
Answer: Option A

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