NSE7 Advanced Networking and SD-WAN Practice Question
Which command is used on a FortiGate to view the current state of BFD sessions?
⚠ Common exam trap
The trap here is that candidates familiar with Cisco IOS may instinctively choose 'show bfd sessions' (Option B), but FortiGate uses a different CLI syntax where 'diagnose' is the proper command for detailed operational state, not 'show' or 'execute'.
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
✓
diagnose sys bfd session list
'diagnose sys bfd session list' is the FortiGate CLI command used to display the current state of Bidirectional Forwarding Detection (BFD) sessions, including session state, local/remote discriminators, and timers. This command is part of the 'diagnose' utility, which provides detailed operational and diagnostic information for troubleshooting BFD in SD-WAN or routing contexts.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
get router info bfd
Why it's wrong here
This is a valid command but the correct syntax is often 'get router info bfd session' or 'diagnose sys bfd session list'.
- ✗
show bfd sessions
Why it's wrong here
This is not a standard FortiGate command.
- ✗
execute bfd show
Why it's wrong here
This is not a valid FortiGate command.
- ✓
diagnose sys bfd session list
Why this is correct
This shows BFD session details.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This NSE7 practice question is part of Courseiva's free Fortinet 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 NSE7 exam.