350-501 MPLS and Segment Routing Practice Question
In an MPLS-TE tunnel configuration, which RSVP message carries the Explicit Route Object (ERO) that specifies the explicit path the tunnel must follow?
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
✓
PATH message
In RSVP-TE, the PATH message includes the ERO to define the explicit route the traffic should take. The RESV message is sent back to confirm the reservation.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
RSVP_TEAR message
Why it's wrong here
Tear down message.
- ✗
RSVP_ERR message
Why it's wrong here
Error message.
- ✓
PATH message
Why this is correct
PATH carries the ERO.
- ✗
RESV message
Why it's wrong here
RESV is the reservation confirmation.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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