JNCIA-Junos Voucher Assessment 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

Which two statements describe PFE functions?

The PFE implements rate limiting using policers.

The statement about the PFE implementing rate limiting using policers is accurate because the Packet Forwarding Engine (PFE) in Junos OS is responsible for the efficient handling of data packets. One of its key functions is to apply traffic management features, such as rate limiting through the use of policers. Policers allow for controlling the amount of bandwidth a particular class of traffic can consume, thus helping manage network resources effectively and ensuring that no single stream of data can overwhelm the network.

In the context of network design and operation, this is essential for quality of service (QoS) strategies that prioritize or limit data flows based on specific criteria, which the PFE actively manages to maintain optimal network performance.

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The PFE stores a local copy of the layer 2 and layer 3 forwarding tables.

The PFE is responsible for data encryption during transmission.

The PFE requires manual configuration for every route.

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