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300-410 Practice Question: The default behavior of Cisco IOS-XE regarding…
What is the default behavior of Cisco IOS-XE regarding BFD echo mode when BFD is enabled on an interface?
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
✓
Echo mode is enabled by default
By default, Cisco IOS-XE enables BFD echo mode, which uses echo packets to achieve faster failure detection without involving the remote router's control plane.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Echo mode is disabled by default
Why it's wrong here
Echo mode is enabled by default on Cisco IOS-XE.
- ✓
Echo mode is enabled by default
Why this is correct
Echo mode is enabled by default, allowing faster detection using echo packets.
- ✗
Echo mode is only available for multihop sessions
Why it's wrong here
Echo mode is typically used for single-hop sessions; multihop sessions do not support echo mode.
- ✗
Echo mode requires explicit configuration with the bfd echo command
Why it's wrong here
Echo mode is enabled by default and does not require explicit configuration.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 300-410 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 300-410 exam.