350-501 Networking Practice Question
Which IS-IS TLV is used to carry IPv6 reachability information?
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
✓
TLV 236
TLV 236 (IPv6 Reachability) carries IPv6 prefixes and associated metrics.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
TLV 135
Why it's wrong here
TLV 135 carries IPv4 reachability.
- ✓
TLV 236
Why this is correct
TLV 236 is IPv6 Reachability.
- ✗
TLV 232
Why it's wrong here
TLV 232 is for IPv6 Interface Address.
- ✗
TLV 242
Why it's wrong here
TLV 242 is for Router Capability.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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