350-501 Networking Practice Question
An SP engineer is designing an OSPF network and wants to reduce the number of LSAs in a stub area. Which TWO area types would block Type 5 LSAs but allow Type 3 LSAs? (Choose two.)
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
✓
NSSA
Stub and NSSA allow Type 3 LSAs but block Type 5 LSAs. Totally stubby blocks both Type 3 and Type 5.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
NSSA
Why this is correct
NSSA blocks Type 5 but injects Type 7 for external routes.
- ✗
Totally stubby area
Why it's wrong here
Totally stubby blocks Type 3 and Type 5.
- ✗
Backbone area 0
Why it's wrong here
Backbone area carries all LSA types.
- ✓
Stub area
Why this is correct
Stub area blocks Type 5 LSAs.
- ✗
Normal area
Why it's wrong here
Normal area carries all LSA types.
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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.