350-501 MPLS and Segment Routing Practice Question
Which LDP label retention mode stores all received label bindings even if they are not currently used for forwarding?
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
✓
Liberal label retention
Liberal label retention stores all label bindings, allowing quick convergence when a path changes, while conservative retention stores only bindings from the next-hop.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Conservative label retention
Why it's wrong here
Conservative retains only needed labels.
- ✓
Liberal label retention
Why this is correct
Correct: Liberal retains all bindings.
- ✗
Ordered label distribution
Why it's wrong here
Ordered is a distribution control mode.
- ✗
Downstream unsolicited
Why it's wrong here
This is a distribution mode, not retention.
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