350-501 Networking Practice Question
A service provider wants to enable fast convergence for OSPF networks. Which feature should be enabled to detect link failures in sub-second time?
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
✓
BFD
BFD (Bidirectional Forwarding Detection) provides fast failure detection for routing protocols like OSPF. OSPF can be configured to use BFD for sub-second convergence.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
BFD
Why this is correct
BFD provides sub-second failure detection.
- ✗
OSPF fast hello
Why it's wrong here
Fast hello can be used but BFD is preferred for sub-second.
- ✗
OSPF SPF throttling
Why it's wrong here
SPF throttling controls computation intervals.
- ✗
OSPF LSA throttling
Why it's wrong here
LSA throttling controls generation but not detection speed.
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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.