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 ipv6 mld interface tunnel 0
Tunnel0 is up, line protocol is up Internet address is FE80::1 MLD is enabled on interface Current MLD version is 2 MLD query interval is 125 seconds MLD querier timeout is 255 seconds MLD max query response time is 10 seconds Last member query response interval is 1 second MLD activity: 0 joins, 0 leaves MLD querying router is FE80::1 (this system)
Based on this output, what can be concluded?
⚠ Common exam trap
Cisco often tests the distinction between 'MLD enabled' and 'active listeners' — candidates may mistakenly think that MLD being enabled implies there are active group members, but the 'joins' counter directly reveals listener activity.
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
✓
There are no multicast listeners on this tunnel interface.
The output shows 'MLD activity: 0 joins, 0 leaves', indicating that no multicast listeners have joined any multicast group on this tunnel interface. Since MLD (Multicast Listener Discovery) is used to track group membership, zero joins means there are no active listeners. Therefore, option C is correct.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
MLD is disabled on this interface.
Why it's wrong here
MLD is enabled as shown.
- ✗
This router is not the MLD querier.
Why it's wrong here
The output states 'this system' is the querier.
- ✓
There are no multicast listeners on this tunnel interface.
Why this is correct
0 joins indicates no hosts have joined any multicast groups.
- ✗
MLD version 1 is in use.
Why it's wrong here
Current MLD version is 2.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 300-410 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 300-410 exam.