Refer to the exhibit. An engineer must modify the existing QoS policy-map statement to implement LLQ for voice traffic. Which change must the engineer make in the configuration?
Set Priorities (Optional)
If some traffic needs strict priority (like voice), you use the priority command instead of bandwidth for that class. This creates a Low Latency Queue (LLQ), which is served before other queues.
From Cisco book : LLQ provides strict priority queueing for CBWFQ, reducing jitter in voice conversations in other queues are dequeued. Configured by the priority command, LLQ enables use of a single, strict priority queue within CBWFQ at the class level, allowing you to direct traffic belonging to a class to the CBWFQ strict priority queue.
This is C, Priority is the keyword that configures LLQ https://www.cisco.com/c/en/us/td/docs/ios/12_2sb/12_2sba/feature/guide/sballqpc.html
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