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Question 65 - JN0-280 discussion

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What are two device roles in a five-member Virtual Chassis? (Choose two.)

A.

PFE

Answers
A.

PFE

B.

Control-board

Answers
B.

Control-board

C.

Line card

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C.

Line card

D.

Routing-engine

Answers
D.

Routing-engine

Suggested answer: C, D

Explanation:

In a Virtual Chassis (VC) configuration, multiple Juniper switches are interconnected to form a single logical device. Each member switch in the Virtual Chassis plays a specific role.

Step-by-Step Breakdown:

Line Card Role:

Member switches acting as line cards provide additional ports for traffic forwarding but do not perform control or routing functions. These switches depend on the routing engine to handle control-plane tasks.

Routing Engine Role:

A switch in the routing-engine role is responsible for control-plane operations such as routing protocol management and control of the Virtual Chassis.

Virtual Chassis Roles:

Master Routing Engine: Handles control-plane functions and manages the entire Virtual Chassis.

Backup Routing Engine: Takes over if the master fails.

Line Card: Provides additional ports and handles data-plane operations.

Juniper

Reference:

Virtual Chassis: In a five-member Virtual Chassis, multiple switches act as line cards, while one or more switches are designated as the routing engines (master and backup).

asked 10/10/2024
Justin Kim
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