Free CheckPoint 156-587 R81.20 Actual Exam Questions - Question 14 Discussion

I get why people pick D for the 6 packets in main mode, but the question just says “establish IKEv1” without clarifying mode type. Aggressive mode only needs 3 packets, which matches option A. If you consider aggressive mode as a valid way to establish IKEv1, then A makes sense. So I’d go with A since it’s the minimal number needed depending on what mode you assume.

D. Main mode alone requires 6 packets to establish IKEv1, so this fits if the question targets the main exchange only, ignoring quick mode or aggressive mode variations.

It’s B because IKEv1 quick mode exchanges 3 pairs of messages, totaling 6 packets, plus 2 packets for initial negotiation, adding up to 8 packets overall. That covers both main and quick modes combined.

It’s A if you think about aggressive mode, which only needs 3 packets to establish IKEv1. Since the question doesn’t specify main mode, aggressive mode fits the smallest count.

D, since main mode has 6 messages total, fitting the question best.

D sounds right for main mode, since it’s 6 messages total.

Maybe D, but does this count both main and aggressive modes? The question isn’t clear on which mode it refers to.