mediumMultiple ChoiceObjective-mapped
300-410 Practice Question: Runs the following command to verify BFD with…
A network engineer runs the following command to verify BFD with MPLS LDP:
R1# show mpls ldp neighbor 10.6.6.2 detail
Peer LDP Ident: 10.6.6.2:0, Local LDP Ident: 10.6.6.1:0 TCP connection: 10.6.6.2.646 - 10.6.6.1.53456 State: Oper; Msgs sent/rcvd: 100/100; Downstream Up time: 00:10:00 LDP discovery sources: GigabitEthernet0/2, hello interval: 5 s, hello hold: 15 s Addresses bound to peer LDP ident:
10.6.6.2 10.7.7.2
BFD enabled, BFD state: UP
What does this output indicate?
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 is enabled for LDP, allowing faster LDP session failure detection.
The output shows that BFD is enabled for the LDP session and the BFD state is UP, providing fast failure detection for MPLS LDP neighbor.
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 is enabled for LDP, allowing faster LDP session failure detection.
Why this is correct
BFD is enabled and UP, enabling sub-second detection for LDP.
- ✗
BFD is disabled for this LDP session.
Why it's wrong here
The output clearly states 'BFD enabled'.
- ✗
LDP is using BFD only for IPv6.
Why it's wrong here
No IPv6 is mentioned; this is an IPv4 LDP session.
- ✗
BFD state is DOWN, so LDP uses its own hello timers.
Why it's wrong here
BFD state is UP.
Visual reference
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Related to this question
Learn chapter
Introduction to ENARSI Exam and Network Fundamentals
Key term
LDP Protocol
LDP, or Label Distribution Protocol, is a protocol that routers use to automatically exchange labels that enable MPLS (Multiprotocol Label Switching) to create fast, efficient paths for data packets across a network.
Key term
MPLS Label Distribution
MPLS Label Distribution is the process by which routers exchange labels that tell them how to forward packets across a network without looking at the IP address each time.
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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.