350-501 Networking Practice Question
A service provider is implementing Segment Routing in an IS-IS network. Which TLV is used to advertise the Segment Routing Global Block (SRGB)?
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 242
The IS-IS Router Capability TLV (242) carries sub-TLVs including the SR Capabilities sub-TLV that advertises the SRGB.
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 22
Why it's wrong here
TLV 22 is for extended IS reachability.
- ✓
TLV 242
Why this is correct
TLV 242 is the Router Capability TLV used for SRGB advertisement.
- ✗
TLV 229
Why it's wrong here
TLV 229 is for MPLS IS-IS.
- ✗
TLV 135
Why it's wrong here
TLV 135 carries TE extended IP reachability.
Go deeper
Related to this question
About these practice questions
One of 971 original 350-501 practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
JA
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.