Which of the following does not belong to the establishment method of IPSec SA? (Multiple choice)

Question

Options

• AIKE method
• BMain mode
• CManual method
• DBrutal mode

• A
  15% (6)
• B
  77% (30)
• C
  8% (3)

Explanation

IPSec Security Associations can only be established through two recognized methods: the IKE (Internet Key Exchange) method and the Manual method - making options A and C valid establishment methods, not the answer.

Main mode (B) is not an establishment method - it is a Phase 1 negotiation mode within IKE, alongside Aggressive mode. It describes how IKE negotiates, not a standalone SA establishment approach, so it does not belong in a list of establishment methods.

Brutal mode (D) simply does not exist in IPSec or any standard networking protocol - it is a fabricated distractor.

Memory tip: Remember "IM" - IKE and Manual are the only two IPSec SA establishment methods. Anything that sounds like a sub-mode (Main, Aggressive, Quick) belongs inside IKE, not alongside it, and any mode name that sounds violent or non-technical ("Brutal") is almost certainly fictional.

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