JNCIS-SP: Juniper Networks Certified Specialist – Service Provider Routing (2023) — Question 44

Which two steps are required to enable MPLS on a physical interface in Junos? (Choose two.)

Answer options

• A. Add family mpls on the interface.
• B. Add the loopback interface under protocols mpls.
• C. Add family mpls on the loopback interface.
• D. Add the interface under protocols mpls.

Correct answer: A, D

Explanation

The correct steps to enable MPLS on a physical interface are to add family mpls on the interface (A) and to include the interface under protocols mpls (D). Options B and C are incorrect because they pertain to the loopback interface, which is not necessary for enabling MPLS on the physical interface.