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Question 30 - JN0-105 discussion

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Which Junos feature limits the amount of exception traffic that is sent from the PFE to the RE?

A.
scheduler
Answers
A.
scheduler
B.
policer
Answers
B.
policer
C.
CoS markings
Answers
C.
CoS markings
D.
routing policy
Answers
D.
routing policy
Suggested answer: B

Explanation:

In Junos OS, a policer is a feature used to limit the rate of traffic flow in the network, including exception traffic sent from the Packet Forwarding Engine (PFE) to the Routing Engine (RE). Exception traffic consists of packets that cannot be processed by the PFE alone and require intervention by the RE, such as control packets or packets destined for the device itself. A policer can be configured to enforce bandwidth limits and drop or mark packets that exceed specified rate limits, thus protecting the RE from being overwhelmed by excessive exception traffic.

asked 18/09/2024
Andre van Mierlo
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