JNCIA-Junos: Juniper Networks Certified Associate – Junos (legacy) — Question 40

What is the central processing component of the forwarding plane?

Answer options

• A. PFE
• B. RE
• C. Junos OS
• D. forwarding table

Correct answer: A

Explanation

The correct answer is A, PFE, which stands for Packet Forwarding Engine, and it is responsible for processing packets in the forwarding plane. The RE (Routing Engine) focuses on control plane functions, while Junos OS is the operating system that manages the overall system, and the forwarding table contains routing information but does not perform processing itself.