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Question 3 - JN0-637 discussion

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You are setting up multinode HA for redundancy.

Which two statements are correct in this scenario? (Choose two.)

A.

Dynamic routing is active on one device at a time.

Answers
A.

Dynamic routing is active on one device at a time.

B.

Dynamic routing is active on both devices.

Answers
B.

Dynamic routing is active on both devices.

C.

Physical connections are used for the control and fabric links.

Answers
C.

Physical connections are used for the control and fabric links.

D.

ICL links require Layer 3 connectivity between peers.

Answers
D.

ICL links require Layer 3 connectivity between peers.

Suggested answer: A, C

Explanation:

Comprehensive Detailed Step-by-Step Explanation with All Juniper Security Reference

Understanding Multinode HA:

Chassis Cluster in Active/Passive Mode:

One node is active, and the other is standby.

Dynamic Routing Protocols:

Run on the active node only.

Option A: Dynamic routing is active on one device at a time.

In active/passive HA, dynamic routing protocols run only on the primary (active) node.

'In a chassis cluster, the primary node handles all control plane tasks, including dynamic routing.'

Source: Juniper TechLibrary - Chassis Cluster Overview

Option C: Physical connections are used for the control and fabric links.

Control and fabric links are direct physical connections between cluster nodes.

'The control and fabric links must be connected using physical interfaces between the nodes.'

Source: Juniper TechLibrary - Chassis Cluster Components

Why Options B and D are Incorrect:

Option B: Dynamic routing is not active on both devices simultaneously in active/passive mode.

Option D: The Inter-Cluster Link (ICL) uses Layer 2 connectivity, not Layer 3.

Conclusion:

The correct options are A and C.

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asked 01/11/2024
Sam Krupesh
38 questions
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