The correct answer is that FortiManager resolves the FQDN to IP addresses at installation time and updates the policy accordingly. This happens because FortiManager performs DNS resolution for FQDN address objects during the policy push process, writing the resolved IPs directly into the policy on the managed FortiGate. This ensures the policy is immediately effective without requiring the FortiGate to perform its own DNS lookups, which is a key distinction from locally configured FQDN objects. On the Fortinet NSE 7 Advanced Security NSE7 exam, this concept tests your understanding of how FortiManager centralizes policy management and handles dynamic objects differently than standalone FortiGate devices. A common trap is assuming the FortiGate resolves the FQDN after installation, but the resolution occurs at push time on the manager. Memory tip: think of FortiManager as the "DNS proxy" for policy pushes—it resolves once, writes the IPs, and the FortiGate just enforces the static rule.
NSE7 Enterprise Firewall and VDOMs Practice Question
This NSE7 practice question tests your understanding of enterprise firewall and vdoms. 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 organization uses FortiManager to manage multiple FortiGate devices in a Security Fabric. The administrator wants to push a new firewall policy that includes an FQDN address object. Which statement is true regarding FQDN objects in FortiManager policies?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
FortiManager resolves the FQDN to IP addresses at installation time and updates the policy accordingly
When an administrator pushes a policy containing an FQDN address object from FortiManager, FortiManager resolves the FQDN to its current IP addresses at installation time. The resolved IPs are then written into the policy on the managed FortiGate, ensuring the policy is immediately effective without requiring the FortiGate to perform DNS resolution. This behavior is specific to FortiManager-managed policies and differs from locally configured FQDN objects on FortiGate.
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.
✗
FQDN objects must be defined on each managed FortiGate individually
Why it's wrong here
They can be defined centrally.
✗
The FQDN resolution is done automatically every 60 seconds by FortiManager
Why it's wrong here
Resolution is done during policy installation.
✓
FortiManager resolves the FQDN to IP addresses at installation time and updates the policy accordingly
Read the scenario before looking for a memorised answer.
✗
FQDN objects cannot be used in policies pushed from FortiManager
Why it's wrong here
FQDN objects are supported in FortiManager policies.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse FortiManager's installation-time resolution with FortiGate's built-in FQDN caching and periodic re-resolution (default 60 seconds), leading them to incorrectly select Option B.
Detailed technical explanation
How to think about this question
Under the hood, FortiManager uses its own DNS resolver to query the FQDN at the moment of policy installation, converting the hostname into a set of IP addresses (A/AAAA records) that are then embedded as literal IP address objects in the FortiGate's configuration. This means the FortiGate does not perform dynamic DNS lookups for these objects; if the FQDN's IP changes, the administrator must re-install the policy to update the entries. In real-world scenarios, this can cause connectivity issues if the FQDN resolves to multiple IPs (e.g., for load balancing) and one of them becomes unreachable, as the FortiGate will not automatically re-resolve.
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 NSE7 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.
Enterprise Firewall and VDOMs — This question tests Enterprise Firewall and VDOMs — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: FortiManager resolves the FQDN to IP addresses at installation time and updates the policy accordingly — When an administrator pushes a policy containing an FQDN address object from FortiManager, FortiManager resolves the FQDN to its current IP addresses at installation time. The resolved IPs are then written into the policy on the managed FortiGate, ensuring the policy is immediately effective without requiring the FortiGate to perform DNS resolution. This behavior is specific to FortiManager-managed policies and differs from locally configured FQDN objects on FortiGate.
What should I do if I get this NSE7 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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