mediumMultiple ChoiceObjective-mapped
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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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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