N10-005 Question #938: Real Exam Question with Answer & Explanation

The correct answer is B: IPSec. IPSec uses IKE (Internet Key Exchange) and ISAKMP (Internet Security Association and Key Management Protocol) to negotiate, establish, and manage Security Associations (SAs) and cryptographic keys between VPN peers. IKE operates in two phases: Phase 1 establishes a secure authent

Question

Which of the following VPN technologies uses IKE and ISAKMP for key exchange?

Options

ASSL
BIPSec
CL2TP
DPPTP

Explanation

IPSec uses IKE (Internet Key Exchange) and ISAKMP (Internet Security Association and Key Management Protocol) to negotiate, establish, and manage Security Associations (SAs) and cryptographic keys between VPN peers. IKE operates in two phases: Phase 1 establishes a secure authenticated channel using ISAKMP, and Phase 2 negotiates the IPSec SAs for data encryption. SSL/TLS uses its own handshake protocol, L2TP relies on IPSec for security but doesn't itself define key exchange, and PPTP uses MPPE for encryption with MS-CHAPv2 for authentication.

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