mediumMultiple ChoiceObjective-mapped
300-410 Practice Question: Router R5 has the following configuration: ```…
Router R5 has the following configuration:
```
interface GigabitEthernet0/6 ip address 10.5.5.5 255.255.255.0 ip policy route-map PBR-METRIC
! route-map PBR-METRIC permit 10 match ip address 103 set metric 50 !
access-list 103 permit ip any any
``` What is the effect of the 'set metric 50' command in this PBR context?
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 route-map has no effect because 'set metric' is not a valid PBR action; packets are routed normally.
The 'set metric' command in a route-map used for PBR is not a standard PBR action. PBR actions include set ip next-hop, set interface, set ip default next-hop, set default interface, and set ip tos/precedence. 'set metric' is used in redistribution route-maps, not PBR. This configuration will not cause an error, but the metric setting is ignored for PBR.
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 metric of packets matching ACL 103 is set to 50, affecting routing decisions.
Why it's wrong here
PBR does not modify packet metrics; 'set metric' is not a valid PBR action and is ignored.
- ✓
The route-map has no effect because 'set metric' is not a valid PBR action; packets are routed normally.
Why this is correct
The 'set metric' command is not supported in PBR route-maps; it is ignored, and the route-map effectively does nothing.
- ✗
The router applies the metric to the route in the routing table for the source network.
Why it's wrong here
PBR does not modify the routing table; it only affects forwarding of individual packets.
- ✗
The configuration is invalid and will be rejected by the router.
Why it's wrong here
The router accepts the configuration but ignores the metric setting.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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