JN0-102 · Question #352
Which two of the following items does a scheduler map associate with eachother? (Choose two.)
The correct answer is A. Scheduler C. Forwarding class. A scheduler map in Junos OS Quality of Service (QoS) directly associates a forwarding class with a specific scheduler. This mapping determines how traffic belonging to a particular forwarding class will be prioritized and treated in terms of bandwidth, delay, and drop…
Question
Which two of the following items does a scheduler map associate with eachother? (Choose two.)
Options
- AScheduler
- BBA Classifier
- CForwarding class
- DRewrite rule
How the community answered
(68 responses)- A93% (63)
- B3% (2)
- D4% (3)
Why each option
A scheduler map in Junos OS Quality of Service (QoS) directly associates a forwarding class with a specific scheduler. This mapping determines how traffic belonging to a particular forwarding class will be prioritized and treated in terms of bandwidth, delay, and drop preference by the scheduler.
A scheduler map assigns a scheduler to a forwarding class, defining the QoS characteristics for that traffic.
A BA (Behavior Aggregate) classifier maps incoming traffic to a forwarding class, but it is not directly associated with a scheduler via a scheduler map.
A forwarding class is categorized traffic that is then mapped to a specific scheduler via the scheduler map to receive defined QoS treatment.
A rewrite rule modifies the CoS bits (DSCP, IP precedence, etc.) of outgoing packets based on their forwarding class, but it is not directly associated with a scheduler by a scheduler map.
Concept tested: Junos QoS scheduler map components
Source: https://www.juniper.net/documentation/us/en/software/junos/cos/topics/topic-map/cos-understanding-schedulers.html
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