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 dhcp interface Gi0/0/0
Gi0/0/0 is in server mode Uses prefix 2001:DB8:1::/64 Rapid-Commit is disabled Preference value: 0 Information refresh option: 86400 DNS server: 2001:DB8::1 Domain name: example.com Active clients: 5 Pool: DHCP_POOL
Based on this output, which statement is correct?
⚠ Common exam trap
Cisco often tests the distinction between DHCPv6 server mode and client mode, and the trap here is that candidates may misinterpret 'Active clients' as a client-side metric or confuse DHCPv6 server operation with SLAAC.
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
✓
The router is acting as a DHCPv6 server on Gi0/0/0 and has 5 active clients.
The output shows Gi0/0/0 is in server mode, with a prefix, DNS server, domain name, and a pool named DHCP_POOL. The line 'Active clients: 5' confirms the router is acting as a DHCPv6 server with five active clients. This matches option B exactly.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The router is acting as a DHCPv6 client on Gi0/0/0.
Why it's wrong here
The interface is in server mode, not client.
- ✓
The router is acting as a DHCPv6 server on Gi0/0/0 and has 5 active clients.
Why this is correct
Server mode with active clients indicates DHCPv6 server functionality.
- ✗
Rapid-Commit is enabled.
Why it's wrong here
It is disabled.
- ✗
The interface is using SLAAC for address assignment.
Why it's wrong here
DHCPv6 is used, not SLAAC.
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