JNCIS-SP: Juniper Networks Certified Specialist – Service Provider Routing (2021) — Question 30

Which statement is true about routing instances on Junos devices?

Answer options

• A. Routing information cannot be shared between routing instance.
• B. Each routing protocol runs in a separate routing instance.
• C. Junos device support only one routing instance.
• D. Each routing instance is a unique grouping of routing tables, interfaces, and routing protocol parameters.

Correct answer: D

Explanation

The correct answer, D, accurately describes that each routing instance is a separate entity that includes its own routing tables, interfaces, and protocol settings. Option A is incorrect because routing information can be shared through specific configurations. Option B is misleading as multiple routing protocols can be configured within a single routing instance. Option C is false since Junos supports multiple routing instances.