NSE7 Enterprise Firewall and VDOMs Practice Question
A FortiGate admin runs the following command: 'diagnose sys session filter dport 443' and sees output indicating sessions with state 'proto_state=01' and 'duration=3600, expire=3599'. What does this indicate about the session?
⚠ Common exam trap
It's easy for candidates to confuse 'duration' with 'timeout' or assume a high duration means the session is about to expire, when in fact 'expire' shows remaining time and 'proto_state=01' confirms an established session.
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
✓
The session is established and has been active for 3600 seconds
The command 'diagnose sys session filter dport 443' filters sessions with destination port 443 (HTTPS). The output shows 'duration=3600, expire=3599', meaning the session has been active for 3600 seconds and will expire in 3599 seconds. The 'proto_state=01' indicates a TCP session in the established state (state 1 = TCP_ESTABLISHED). This confirms the session is fully established and actively tracked by the FortiGate session table.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
The session is established and has been active for 3600 seconds
Why this is correct
proto_state=01 means established. Duration is how long it's been active.
- ✗
The session has timed out and is being removed
Why it's wrong here
expire=3599 means it will expire in 3599 seconds, so it's still active.
- ✗
The session is in a closing state
Why it's wrong here
Closing state would have different values.
- ✗
The session is in a half-open state
Why it's wrong here
Half-open state is usually 00.
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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.