Fans of the wildly popular CCIE Written Bootcamp need to check out Practice Exam 2 which has been updated with some more thought-provoking Quality of Service (QoS) questions that will help with the CCIE R&S Written as well as the Lab exam.
For some fun for all, try this question on for size:
Match the QoS marking with the correct definition:
1. DSCP EF
2. DSCP 20
3. IP PREC 5
6. EXP BITS
b.Diff Serv VoIP
c. Frame Relay
e.Legacy VoIP Marking
f. Assured Forwarding 22
The answer is posted in the comments. Enjoy.