Basic Computer Networks Questions and Answers

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Q101
When a protocol specifies that the address of the sender means the most recent sender and not the original source, what does this mean?
  • A syntax
  • B semantics
  • C timing
  • D none of the above
Answer: Option B
Q102
In a network with 25 computers, which topology would require the most extensive cabling ?
  • A mesh
  • B star
  • C bus
  • D ring
Answer: Option A
Q103
In which topology, if there are n devices in a network, each device has n-1 ports for cables ?
  • A mesh
  • B star
  • C bus
  • D ring
Answer: Option A
Q104
A network that contains multiple hubs is most likely configured in which topology.
  • A mesh
  • B tree
  • C bus
  • D star
Answer: Option B
Q105
Which model shows how the network functions of a computer ought to be organized ?
  • A ITU-T
  • B OSI
  • C ISO
  • D ANSI
Answer: Option B
Q106
Decryption and encryption of data are the responsibility of which of the following layer ?
  • A physical
  • B data link
  • C presentation
  • D session
Answer: Option C
Q107
When data is transmitted from device A to device B, the header from A's layer 5 is read by B's
  • A physical layer
  • B transport layer
  • C session layer
  • D presentation layer
Answer: Option C
Q108
In which layer, translations from one character code to another occur ?
  • A transport
  • B session
  • C presentation
  • D application
Answer: Option C
Q109
Which layer functions as a liaison between user support layers and network support layers ?
  • A network layer
  • B physical layer
  • C transport layer
  • D session layer
Answer: Option C
Q110
Which of the following are session layer checkpoints ?
  • A allow just a portion of a file to be resent
  • B detect and recover errors
  • C control the addition of headers
  • D are involved in dialog control
Answer: Option A
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