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Advanced Networking Administrator Test Prep

Category - CCNA

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Which of the following protocols provides best encryption in an IPsec VPN?

HMAC-MD5
DES
3DES
AES

Explanation

Answer: D - AES is the protocol that provides encryption in an IPsec VPN.

Key Takeaway: AES, or Advanced Encryption Standard, is an encryption scheme used as a replacement for DES. It is a symmetric-block cipher that can be used with 128, 192, and 256-bit keys. AES is the best among the ones specified, because it is both cryptographically strong and efficient to implement.

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Advanced Networking Administrator Test Prep

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Advanced Networking Administrator Test Prep

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