JNCIS-SP: Juniper Networks Certified Specialist – Service Provider Routing (2023) — Question 61

What are two requirements for a unified in-service software upgrade? (Choose two.)

Answer options

• A. Bidirectional Forwarding Detection must be enabled on the device.
• B. Nonstop active routing must be enabled on the device.
• C. The device must have dual Routing Engines.
• D. The device must be part of the chassis cluster.

Correct answer: B, C

Explanation

The correct answers are B and C because nonstop active routing allows for seamless upgrades without dropping packets, and having dual Routing Engines ensures redundancy during the process. Options A and D are not required for a unified in-service software upgrade.