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Question 17 - JN0-105 discussion

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When considering routing tables and forwarding tables, which two statements are correct? (Choose two.)

A.
The routing table is used by the RE to select the best route.
Answers
A.
The routing table is used by the RE to select the best route.
B.
The forwarding table stores all routes and prefixes from all protocols.
Answers
B.
The forwarding table stores all routes and prefixes from all protocols.
C.
The forwarding table is used by the RE to select the best route.
Answers
C.
The forwarding table is used by the RE to select the best route.
D.
The routing table stores all routes and prefixes from all protocols.
Answers
D.
The routing table stores all routes and prefixes from all protocols.
Suggested answer: A, D

Explanation:

The routing table and forwarding table play distinct roles in a Junos OS device. The correct answers are A and D. The routing table (A) is used by the Routing Engine (RE) to select the best route among all the learned routes, while the routing table (D) stores all routes and prefixes learned from all routing protocols. The forwarding table, in contrast, contains only the active routes chosen by the RE and is used by the Packet Forwarding Engine for actual packet forwarding.

asked 18/09/2024
Muzammil Mirza
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