When users in headquarters call branch office users over the WAN link, branch users report poor audio quality. Headquarters users consistently experience acceptable audio quality.
Which troubleshooting approach most directly improves the audio quality of the branch users?
A . Make the branch router configuration for LLQ match the headquarters router.
B . Make the headquarters router configuration for LLQ match the branch router.
C . Make the branch router configuration for CBWFQ match the headquarters router.
D . Make the headquarters router configuration for CBWFQ match the branch router.
Answer: B