350-801 · Question #591
Which mark is used when the Attendant Console Client application and the Cisco TSP send their traffic?
The correct answer is D. AF11 (DSCP=10). Cisco's QoS recommendations segment traffic by type. Signaling and call control traffic (including the Attendant Console Client and Cisco TAPI Service Provider) is marked as AF11, which corresponds to DSCP value 10. This marking is part of the 'Call Signaling' class. Note that…
Question
Which mark is used when the Attendant Console Client application and the Cisco TSP send their traffic?
Options
- AExpedited Forwarding (DSCP=14)
- BAF23 (DSCP=22)
- CBest Effort (DSCP=0)
- DAF11 (DSCP=10)
How the community answered
(68 responses)- A3% (2)
- B1% (1)
- C7% (5)
- D88% (60)
Explanation
Cisco's QoS recommendations segment traffic by type. Signaling and call control traffic (including the Attendant Console Client and Cisco TAPI Service Provider) is marked as AF11, which corresponds to DSCP value 10. This marking is part of the 'Call Signaling' class. Note that option A incorrectly labels DSCP 14 as 'Expedited Forwarding' - EF is actually DSCP 46. DSCP 14 maps to AF13. DSCP 0 is Best Effort (unclassified), and DSCP 22 is AF23 (used for transactional data). AF11 (DSCP 10) is the correct standard marking for Cisco call signaling applications.
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