350-501 Networking Practice Question
In IS-IS, which type of router is responsible for routing between different areas and also maintains a Level 1 Link State Database?
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
✓
L1/L2 router
L1/L2 routers perform both intra-area and inter-area routing, maintaining both L1 and L2 LSDBs.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
L1/L2 router
Why this is correct
L1/L2 routers participate in both levels.
- ✗
Level 2 router
Why it's wrong here
L2 routes only between areas.
- ✗
Level 1 router
Why it's wrong here
L1 routes only within an area.
- ✗
Area Border Router (ABR)
Why it's wrong here
ABR is an OSPF term, not IS-IS.
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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.