The answer is that the FortiGate must have IP reachability to the FortiAnalyzer, typically over TCP port 514 for syslog or using FortiGate’s proprietary log forwarding protocol. This is required because sending logs to FortiAnalyzer relies on network-layer connectivity; without a working route and open firewall rules between the two devices, log transmission will fail regardless of any log configuration settings. On the Fortinet NSE 4 Network Security Professional exam, this concept tests your understanding of the underlying network prerequisites for centralized logging, often appearing in scenario-based questions where a misconfigured interface or ACL blocks log flow. A common trap is assuming that simply enabling log forwarding in the GUI is sufficient, when in fact the FortiGate must also be able to resolve and reach the FortiAnalyzer’s IP. Memory tip: think “Route before Log” — if the FortiGate can’t ping the FortiAnalyzer, logs won’t flow.
NSE4 System and Network Administration Practice Question
This NSE4 practice question tests your understanding of system and network administration. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
An administrator is configuring a FortiGate to send logs to a FortiAnalyzer. Which TWO of the following are required? (Choose two.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Ensure network connectivity between FortiGate and FortiAnalyzer
Option C is correct because the FortiGate must have IP reachability to the FortiAnalyzer to send logs over the network, typically using TCP port 514 (syslog) or FortiGate's proprietary log forwarding protocol. Without network connectivity, log transmission will fail regardless of configuration.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Enable local logging on the FortiAnalyzer
Why it's wrong here
FortiAnalyzer receives logs; local logging is on FortiGate.
✗
Create a firewall policy on the FortiGate to allow log traffic
Why it's wrong here
Usually not needed if management traffic is allowed.
✓
Ensure network connectivity between FortiGate and FortiAnalyzer
Why this is correct
Essential for log transmission.
Related concept
Read the scenario before looking for a memorised answer.
✗
Disable local logging on the FortiGate
Why it's wrong here
Local logging can remain enabled.
✓
Configure the FortiGate to send logs to the FortiAnalyzer
Why this is correct
Necessary to point logs to FortiAnalyzer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often think a firewall policy is needed to allow log traffic, but FortiGate's own traffic (including logs) is not subject to firewall policies; only transit traffic requires policies.
Detailed technical explanation
How to think about this question
FortiGate uses the 'config log fortianalyzer setting' CLI command to specify the FortiAnalyzer IP and enable log forwarding, which establishes a TCP connection on port 514 (or a custom port) for syslog or the FortiGate-specific 'log-forward' protocol. In a multi-VDOM environment, each VDOM must be individually configured to send logs to the FortiAnalyzer, and network connectivity must be verified via ping or traceroute from the FortiGate's management IP.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the NSE4 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
System and Network Administration — This question tests System and Network Administration — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Ensure network connectivity between FortiGate and FortiAnalyzer — Option C is correct because the FortiGate must have IP reachability to the FortiAnalyzer to send logs over the network, typically using TCP port 514 (syslog) or FortiGate's proprietary log forwarding protocol. Without network connectivity, log transmission will fail regardless of configuration.
What should I do if I get this NSE4 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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