FORTINET-NSE123 Nse 3 Fortigate Operational Fundamentals Practice Question
An administrator needs to verify whether the FortiGate unit can successfully communicate with the FortiGuard distribution servers for license and signature updates. Which command should be run in the CLI to test this specific connectivity?
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
✓
execute update-now
The update status and connectivity to FortiGuard can be tested using the execute update-now or diagnostic commands for FortiGuard override/servers.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
diagnose sys top
Why it's wrong here
Incorrect. This displays active processes running on the CPU.
- ✗
ping 8.8.8.8
Why it's wrong here
Incorrect. Pinging a public DNS server tests general internet connectivity, not specifically FortiGuard service reachability.
- ✓
execute update-now
Why this is correct
Correct. execute update-now forces an immediate check and update with FortiGuard servers, verifying connectivity.
- ✗
execute FortiGuard-test
Why it's wrong here
Incorrect. This command syntax is not valid for FortiGate.
About these practice questions
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Fortinet exam blueprint
This FORTINET-NSE123 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 FORTINET-NSE123 exam.