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200-301 · Question #985

Which security method is used to prevent man-in-the-middle attack?

The correct answer is B. authentication. Authentication ensures that the parties involved in communication confirm their identities to each other, typically using cryptographic techniques such as public key cryptography (e.g., RSA) or digital certificates. This verification step prevents attackers from impersonating leg

Submitted by ngozi_ng· Mar 5, 2026Security Fundamentals

Question

Which security method is used to prevent man-in-the-middle attack?

Options

  • Aauthorization
  • Bauthentication
  • Canti-replay
  • Daccounting

How the community answered

(53 responses)
  • A
    4% (2)
  • B
    89% (47)
  • C
    6% (3)
  • D
    2% (1)

Explanation

Authentication ensures that the parties involved in communication confirm their identities to each other, typically using cryptographic techniques such as public key cryptography (e.g., RSA) or digital certificates. This verification step prevents attackers from impersonating legitimate parties and intercepting or altering data, which is the crux of MITM attacks.

Topics

#man-in-the-middle#authentication#AAA#security threats

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