350-501 Networking Practice Question
In an OSPF network, an engineer wants to reduce the size of the routing table and prevent external routes from being advertised into an area. Which area type should be configured?
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
✓
Stub area
A stub area does not allow AS-external LSAs (type 5), reducing routing table size. NSSA allows limited external routes via type 7 LSAs.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Stub area
Why this is correct
Stub area blocks type 5 LSAs; uses default route to the ABR.
- ✗
Totally stubby area
Why it's wrong here
Totally stubby blocks type 3,4,5 LSAs and uses default route, but is not the only option.
- ✗
Backbone Area 0
Why it's wrong here
Area 0 is the backbone and carries all LSA types.
- ✗
NSSA
Why it's wrong here
NSSA allows type 7 LSAs for external routes.
Visual reference
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.