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300-410 Practice Question: Runs the following command on Router R1: R1# show…

A network engineer runs the following command on Router R1:

R1# show crypto isakmp sa

dst src state conn-id slot status

10.1.1.2        10.1.1.1        MM_ACTIVE      1       0     ACTIVE
10.1.1.3        10.1.1.1        MM_ACTIVE      2       0     ACTIVE

Based on this output, which statement is correct?

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

IKE phase 1 is complete for both peers.

The show crypto isakmp sa command shows IKE phase 1 security associations. The state MM_ACTIVE indicates that IKE phase 1 is complete and active. The output shows two active SAs with the local router (10.1.1.1) and two remote peers (10.1.1.2 and 10.1.1.3).

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • IKE phase 1 is complete for both peers.

    Why this is correct

    MM_ACTIVE indicates successful IKE phase 1.

  • IKE phase 2 is complete for both peers.

    Why it's wrong here

    This command only shows IKE phase 1 SA status.

  • The IPsec tunnels are established.

    Why it's wrong here

    IPsec SA status is shown by show crypto ipsec sa.

  • The peers are not responding.

    Why it's wrong here

    ACTIVE state indicates they are responding.

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Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

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