350-501 Networking Practice Question
An SP is designing an OSPF network with a totally stubby area to reduce the LSA database. Which LSA types are blocked by default in a totally stubby area?
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
✓
Type 3, Type 4, and Type 5
Totally stubby area blocks Type 4 (ASBR Summary) and Type 5 (External) LSAs, and also Type 3 (Summary) LSAs except for the default route.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Type 3 and Type 5 only
Why it's wrong here
Type 4 is also blocked.
- ✗
Type 5 only
Why it's wrong here
It blocks more than Type 5.
- ✓
Type 3, Type 4, and Type 5
Why this is correct
Totally stubby blocks all inter-area (Type 3) except default, and all external (Type 4/5).
- ✗
Type 4 and Type 5 only
Why it's wrong here
It also blocks Type 3 except default.
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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.