JNCIS-ENT: Juniper Networks Certified Specialist – Enterprise Routing and Switching (2021) — Question 2

Which three statements about SRX Series device chassis clusters are true? (Choose three.)

Answer options

• A. Chassis cluster control links must be configured using RFC 1918 IP addresses.
• B. Chassis cluster member devices synchronize configuration using the control link.
• C. A control link failure causes the secondary cluster node to be disabled.
• D. Recovery from a control link failure requires that the secondary member device be rebooted.
• E. Heartbeat messages verify that the chassis cluster control link is working.

Correct answer: B, C, E

Explanation

Option B is correct because chassis cluster member devices use the control link for configuration synchronization. Option C is accurate as a control link failure does indeed disable the secondary node. Option E is true since heartbeat messages are utilized to ensure the control link is operational. Options A and D are incorrect; control links do not have to use RFC 1918 IP addresses, and recovery does not necessarily require a reboot of the secondary member device.