Jasmine is creating a presentation. She wants to ensure the integrity and authenticity of the presentation. Which of the following will she use to accomplish the task?

Question

Options

• AMark as final
• BDigital Signature
• CRestrict Permission
• DEncrypt Document

• A
  15% (9)
• B
  49% (29)
• C
  7% (4)
• D
  29% (17)

Explanation

A Digital Signature proves both integrity (the document hasn't been altered) and authenticity (it genuinely came from the claimed sender) - exactly what Jasmine needs. Mark as Final (A) only signals the document is complete and disables editing as a courtesy, but provides no cryptographic protection. Restrict Permission (C) controls who can read or edit the file but says nothing about whether the content is genuine or tamper-free. Encrypt Document (D) protects confidentiality (only authorized parties can open it), but doesn't verify the source or detect modifications.

Memory tip: Think of a digital signature like a wax seal on an envelope - it tells you who sent it and shows if someone broke in. Encryption is the locked box that hides the contents; it doesn't identify the sender.

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