Which definition among those given below best describes a covert channel?

Question

Options

• AA server program using a port that is not well known.
• BMaking use of a protocol in a way it is not intended to be used.
• CIt is the multiplexing taking place on a communication link.
• DIt is one of the weak channels used by WEP which makes it insecure.

• A
  2% (1)
• B
  82% (41)
• C
  10% (5)
• D
  6% (3)

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