Exam JN0-637 topic 1 question 81 discussion

Actual exam question from Juniper's JN0-637

Question #: 81
Topic #: 1

You configured two SRX Series devices in an active/passive multinode HA setup. You just rebooted both devices.

In this scenario, which statement is correct?

A. Both devices are in the active state until the activeness determination process Is completed
B. Both devices are in the passive state until the activeness determination process is completed.
C. Both devices start in a hold state until the activeness determination process is completed.
D. Both devices start in the undiscovered state until the activeness determination process Is completed.

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Suggested Answer: D 🗳️

by chris_2_a at June 23, 2025, 9:49 a.m.

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chris_2_a

1 week, 3 days ago

Selected Answer: C

When the ICL is down and both devices are starting up, the nodes initially enter a HOLD state and wait for the peer node comes up and connect. For any reason if the other node doesn’t come up, the system initiates split brain probes to the IP addresses hosted on different device in network. If the process completes successfully, one node transitions to active and the other to backup. Before probe success, if any path monitoring failure/internal hardware monitor failure occurs, then both nodes become Ineligible to prevent a split-brain scenario. https://www.juniper.net/documentation/us/en/software/junos/high-availability/topics/topic-map/mnha-introduction.html

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