Question 1mediummultiple choice
Review the full subnetting walkthrough →Question 320 of 1,000
Quick Answer
The correct answer is to configure the `config system interface` context with `set allowaccess https` and `set trustedhosts 10.10.10.0 255.255.255.0` on the desired interface. This is correct because to restrict HTTPS management access to a FortiGate by subnet, you must enable the HTTPS service on the interface and then define the allowed source subnet using the trusted hosts parameter, which acts as an access control list for management protocols. On the Fortinet NSE 4 exam, this tests your understanding of interface-level management access controls, a common scenario where candidates mistakenly apply trusted hosts globally or forget to enable the specific protocol first. A frequent trap is assuming trusted hosts alone block access without first enabling `allowaccess`, or confusing the global `config system admin` trusted hosts with the per-interface setting. Remember the sequence: first enable the service, then restrict the source—think "allow, then trust."
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 wants to allow management access to a FortiGate from a specific subnet 10.10.10.0/24 via HTTPS. Which configuration achieves this?
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
✓
config system interface edit port1 set allowaccess https set trustedhosts 10.10.10.0 255.255.255.0 end
Option D is correct because management access to a FortiGate interface is controlled via the `config system interface` context, where `set allowaccess https` enables HTTPS management on that interface, and `set trustedhosts` restricts access to the specified subnet 10.10.10.0/24. This configuration ensures only hosts from that subnet can reach the FortiGate's HTTPS management interface on the given port.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse the `config system admin` context (which only controls per-admin trusted hosts for authentication) with the interface-level `trustedhosts` setting, or mistakenly think global settings like `admin-sport` also control access restrictions.
Detailed technical explanation
How to think about this question
Under the hood, FortiGate's management access is bound to each Layer 3 interface; the `set allowaccess` command enables services like HTTPS, SSH, or Ping on that interface, while `set trustedhosts` applies an ACL that filters incoming management traffic at the kernel level before it reaches the daemon. In real-world scenarios, this allows an administrator to expose management on a dedicated management interface (e.g., port1) while keeping other interfaces locked down, preventing accidental exposure to untrusted networks.
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 network engineer segments a warehouse floor into three subnets: 20 scanners, 5 printers, and 2 management hosts. Picking the wrong mask wastes addresses or leaves too few usable hosts. Exam questions test whether you can apply CIDR notation, calculate block size, and identify the correct usable-host range for a given prefix.
What to study next
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FAQ
Questions learners often ask
What does this NSE4 question test?
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: config system interface edit port1 set allowaccess https set trustedhosts 10.10.10.0 255.255.255.0 end — Option D is correct because management access to a FortiGate interface is controlled via the `config system interface` context, where `set allowaccess https` enables HTTPS management on that interface, and `set trustedhosts` restricts access to the specified subnet 10.10.10.0/24. This configuration ensures only hosts from that subnet can reach the FortiGate's HTTPS management interface on the given port.
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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Last reviewed: Jun 24, 2026
This NSE4 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 NSE4 exam.
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