An organization is looking to establish more robust security measures by implementing PKI. Which of the following should the security analyst implement when considering mutual authentication?

The correct answer is C. Public keys on both endpoints. Mutual authentication in a PKI context requires each endpoint to present and validate the other’s certificate, which contains its public key. Each side uses its private key to prove ownership of its certificate and uses the peer’s public key to verify signatures, ensuring both…

Submitted by fatima_kr· Mar 6, 2026Security Engineering

Question

Options

APerfect forward secrecy on both endpoints
BShared secret for both endpoints
CPublic keys on both endpoints
DA common public key on each endpoint
EA common private key on each endpoint

How the community answered

(42 responses)

A
2% (1)
C
88% (37)
D
2% (1)
E
7% (3)

Explanation

Mutual authentication in a PKI context requires each endpoint to present and validate the other’s certificate, which contains its public key. Each side uses its private key to prove ownership of its certificate and uses the peer’s public key to verify signatures, ensuring both parties authenticate

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