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300-410 Practice Question: Which statement about PBR and the 'set interface'…
Which statement about PBR and the 'set interface' command 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
✓
The 'set interface' command forces the packet out the specified interface, and if the interface is down, the packet is dropped.
The 'set interface' command forces the packet out a specific interface, overriding the routing table. If the interface is down, the packet is dropped unless a fallback is configured.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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The 'set interface' command can only be used with point-to-point interfaces.
Why it's wrong here
It can be used with any interface type, including Ethernet.
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If the specified interface is down, the router uses the routing table.
Why it's wrong here
If the interface is down, the packet is dropped; no fallback to routing table occurs.
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The 'set interface' command requires a next-hop IP address to be specified.
Why it's wrong here
The 'set interface' command does not require a next-hop; the packet is sent out the interface with the destination MAC resolved via ARP.
- ✓
The 'set interface' command forces the packet out the specified interface, and if the interface is down, the packet is dropped.
Why this is correct
This is correct; PBR with 'set interface' does not fall back to the routing table if the interface is down.
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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.