350-801 · Question #117
An engineer implements QoS in the enterprise network. Which command can to verify the correct classification and marking on a cisco IOS switch?
The correct answer is D. show policy-map interface GigabitEthernet 1/0/1. The 'show policy-map interface GigabitEthernet 1/0/1' command displays the QoS policy map applied to a specific interface, including real-time statistics on packet classification, marking, queuing, and policing/shaping. It shows which class-maps matched traffic, how many…
Question
An engineer implements QoS in the enterprise network. Which command can to verify the correct classification and marking on a cisco IOS switch?
Options
- Ashow policy-map
- Bshow class-map interface GigabitEthernet 1/0/1
- Cshow access-lists
- Dshow policy-map interface GigabitEthernet 1/0/1
How the community answered
(42 responses)- A2% (1)
- B2% (1)
- C5% (2)
- D90% (38)
Explanation
The 'show policy-map interface GigabitEthernet 1/0/1' command displays the QoS policy map applied to a specific interface, including real-time statistics on packet classification, marking, queuing, and policing/shaping. It shows which class-maps matched traffic, how many packets were classified into each class, and whether marking actions (DSCP, CoS) were applied. This is the definitive command for verifying QoS behavior per-interface. 'show policy-map' (without interface) only shows the policy configuration, not runtime statistics. 'show class-map interface' is not a valid IOS command. 'show access-lists' shows ACL match counters but does not display QoS classification or marking results.
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