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300-410 Practice Question: The default maximum number of labels that can be…
What is the default maximum number of labels that can be imposed in the MPLS label stack on a Cisco IOS-XE router?
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
✓
6 labels
The default maximum label stack depth is 6 labels on Cisco IOS-XE routers, though this can be increased with the 'mpls label range' command.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
6 labels
Why this is correct
The default maximum label stack depth is 6 labels.
- ✗
3 labels
Why it's wrong here
3 labels is not the default; it is the minimum for some MPLS applications like TE.
- ✗
10 labels
Why it's wrong here
10 labels is not the default maximum; it is a configurable upper limit.
- ✗
Unlimited
Why it's wrong here
The label stack depth is limited by hardware and software defaults; it is not unlimited.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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