Question 10 of 530 from exam 400-251: CCIE Security written exam

Question 10 of 530 from exam 400-251: CCIE Security written exam

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Refer to the exhibit.

€ tesa key nonce ee + MSG 1: — Intiator offers acceptable encryption and authentication algorithms (DES, MDS, and RSA, which is also called the transform-set) + MSG2: _ Responder resents acceptance ofthe proposal (ort might not) + MSG3: Initiator Difi-Helman key and nounce (the key value is usually a number of 1024-bit length) + MSG4: Responder Ditfe-Helman key and nounce + MSGS: Initiator signature, ID, and keys (maybe cert), which is also known as authentication data + MSG6: Responder signature, ID, and keys (maybe cert)

Which message could contain an authenticated initial_contact notify during IKE main mode negotiation?

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A. B. C. D. E.

B.

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