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156-215.71 · Question #538

What is the bit size of a DES key?

The correct answer is C. 56. See the full explanation below for the reasoning.

Question

What is the bit size of a DES key?

Options

  • A112
  • B168
  • C56
  • D64

How the community answered

(40 responses)
  • A
    3% (1)
  • B
    8% (3)
  • C
    73% (29)
  • D
    18% (7)

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