Which of the following statements about digital signature is true?

Question

Options

• ADigital signature is required for an e-mail message to get through a firewall.
• BDigital signature verifies the identity of the person who applies it to a document.
• CDigital signature decrypts the contents of documents.
• DDigital signature compresses the message to which it is applied.

• A
  3% (1)
• B
  72% (21)
• C
  17% (5)
• D
  7% (2)

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