350-501 MPLS and Segment Routing Practice Question
An engineer is troubleshooting an MPLS-TE tunnel that is not coming up. The configuration includes an explicit path with strict hops. Which TWO conditions could prevent the tunnel from being established? (Choose two.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
RSVP is not enabled on an interface along the path.
An explicit path with strict hops requires each hop to be directly connected. If a hop is not directly connected, the path fails. Also, if there is no RSVP capability along the path, the tunnel cannot be signaled.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The tunnel interface has an IP address.
Why it's wrong here
Tunnel interfaces can have IP.
- ✓
RSVP is not enabled on an interface along the path.
Why this is correct
RSVP must be enabled.
- ✗
The destination loopback is not advertised in IGP.
Why it's wrong here
Not directly preventing tunnel.
- ✗
The path includes a router that does not support MPLS.
Why it's wrong here
Could still be signalled if not using MPLS? Actually RSVP needs MPLS for label switching; but E might be true if MPLS not enabled. But better: not directly specified.
- ✓
One of the strict hops is not directly connected to the previous router.
Why this is correct
Strict hops require adjacency.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-501 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 350-501 exam.