Cisco
200-301 · Question #1207
Which IP header field is changed by a Cisco device when QoS marking is enabled?
The correct answer is D. DSCP. When QoS (Quality of Service) marking is enabled on a Cisco device, it typically modifies the DSCP field in the IP header to indicate the level of service the packet should receive.
Submitted by joshua94· Mar 5, 2026
Question
Which IP header field is changed by a Cisco device when QoS marking is enabled?
Options
- AECN
- BHeader Checksum
- CType of Service
- DDSCP
How the community answered
(42 responses)- A2% (1)
- B5% (2)
- D93% (39)
Explanation
When QoS (Quality of Service) marking is enabled on a Cisco device, it typically modifies the DSCP field in the IP header to indicate the level of service the packet should receive.
Topics
#QoS marking#DSCP#IP header fields
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