BEST Verified Fortinet NSE4_FGT_AD-7.6 Exam Questions (2026)
The Best Practice Test Preparation for the NSE4_FGT_AD-7.6 Certification Exam
NEW QUESTION # 29
Refer to the exhibits. An administrator has observed the performance status outputs on an HA cluster for 55 seconds.
Which FortiGate is the primary?
- A. HQ-NGFW-2 with the parameter memory-failover-threshold setting
- B. HQ-NGFW-1 with the parameter memory-failover-flip-timeout setting
- C. HQ-NGFW-2 with the parameter priority setting
- D. HQ-NGFW-1 with the parameter override setting
Answer: D
Explanation:
The HA configuration shows that override is disabled (set override disable), but despite this, HQ- NGFW-1 has the higher priority (200) and is acting as the primary, as indicated by its higher resource usage and uptime. Override allows the device with higher priority to take over as primary, so HQ- NGFW-1 is the primary device.
NEW QUESTION # 30
Refer to the exhibits.
FGT-1 and FGT-2 are updated with HA configuration commands shown in the exhibit.
What would be the expected outcome in the HA cluster?
- A. FGT-1 will remain the primary because FGT-2 has lower priority.
- B. FGT-2 will take over as the primary because it has the override enablesetting and higher priority than FGT-1.
- C. The HA cluster will become out of sync because the overridesetting must match on all HA members.
- D. FGT-1 will synchronize the override disablesetting with FGT-2.
Answer: B
Explanation:
With override enabled, the primary unit with the highest device priority will always become the primary unit. Whenever an event occurs that may affect primary unit selection, the cluster negotiates. For example, when override is enabled a cluster renegotiates when you change the device priority of any cluster unit or when you add a new unit to a cluster.
Override and primary unit selection
Enabling override changes the order of primary unit selection. As shown below, if override is enabled, primary unit selection considers device priority before age and serial number. This means that if you set the device priority higher on one cluster unit, with override enabled this cluster unit becomes the primary unit even if its age and serial number are lower than other cluster units..
NEW QUESTION # 31
Refer to the exhibit
A firewall policy to enable active authentication is shown.
When attempting to access an external website using an active authentication method, the user is not presented with a login prompt. What is the most likely reason for this situation?
- A. The Remote-users group is not added to the Destination
- B. No matching user account exists for this user.
- C. The Remote-users group must be set up correctly in the FSSO configuration.
- D. The Service DNS is required in the firewall policy.
Answer: D
Explanation:
Based on the exhibit and FortiOS 7.6 Active Authentication (captive portal) behavior, the most likely reason the user is not presented with a login prompt is that DNS is missing from the firewall policy.
What the exhibit shows
The firewall policy configured for active authentication includes:
Source: HQ_SUBNET and Remote-users
Destination: all
Services:
HTTP
HTTPS
ALL_ICMP
Security Profiles: Web filter and SSL inspection enabled
Authentication: Active (user group referenced)
DNS is not included as a service in the policy.
Why DNS is required for active authentication
In FortiOS 7.6, active authentication (captive portal) works as follows:
The user attempts to access a website using a URL (for example, www.example.com).
The client must first perform a DNS lookup to resolve the domain name.
FortiGate intercepts the initial HTTP/HTTPS request and redirects the user to the authentication portal.
If DNS traffic is blocked or not allowed:
The hostname cannot be resolved.
The HTTP/HTTPS request never properly occurs.
FortiGate has nothing to intercept, so the login prompt is never triggered.
This is explicitly documented in the FortiOS 7.6 Authentication and Captive Portal requirements, which state that DNS must be permitted for captive portal-based authentication to function correctly.
Why the other options are incorrect
A . No matching user account exists for this user
Incorrect.
If the user account did not exist, the login page would still appear, but authentication would fail after credentials are entered.
B . The Remote-users group must be set up correctly in the FSSO configuration Incorrect.
This policy is using active authentication, not FSSO.
FSSO configuration is irrelevant for active authentication login prompts.
C . The Remote-users group is not added to the Destination
Incorrect.
User groups are applied in the Source field for authentication-based policies.
Destination does not accept user groups.
NEW QUESTION # 32
Refer to the exhibits.
An administrator creates a new address object on the root FortiGate (Local-FortiGate) in the security fabric. After synchronization, this object is not available on the downstream FortiGate (ISFW).
What must the administrator do to synchronize the address object?
- A. Change the csfsetting on Local-FortiGate (root) to set fabric object-unification default.
- B. Change the csfsetting on ISFW (downstream) to set configuration-sync local.
- C. Change the csfsetting on both devices to set downstream-access enable.
- D. Change the csfsetting on ISFW (downstream) to set authorization-request-type certificate.
Answer: A
Explanation:
The CLI command fabric-object-unification is available only on the root FortiGate device. When set to local, global objects are not synchronized to downstream devices in the Security Fabric.
The default value is default.
NEW QUESTION # 33
Refer to the exhibit. As an administrator you have created an IPS profile, but it is not performing as expected. While testing you got the output as shown in the exhibit.
What could be the possible reason of the diagnose output shown in the exhibit?
- A. Administrator entered the command diagnose test application ipsmonitor 5.
- B. Administrator entered the command diagnose test application ipsmonitor 99.
- C. FortiGate entered into IPS fail open state.
- D. There is a no firewall policy configured with an IPS security profile.
Answer: D
Explanation:
The output shows the IPS engine count as 0, indicating no active IPS engines are running. This typically means no firewall policy is referencing the IPS security profile, so the IPS profile is not being applied or triggered.
NEW QUESTION # 34
Refer to the exhibit.
FortiGate is configured for firewall authentication. When attempting to access an external website, the user is not presented with a login prompt.
What is the most likely reason for this situation?
- A. The Remote-users group is not added to the Destination.
- B. The user is using an incorrect user name.
- C. No matching user account exists for this user.
- D. The Service DNS is required in the firewall policy.
Answer: D
Explanation:
DNS traffic can be allowed if user has not authenticated yet.
Hostname resolution is often required by the application layer protocol (HTTP/HTTPS/FTP/Telnet) that is used to authenticate.
DNS service must be explicity listed as a service in the policy.
NEW QUESTION # 35
Refer to the exhibits.
You have implemented the application sensor and the corresponding firewall policy as shown in the exhibits.
You cannot access any of the Google applications, but you are able to access www.fortinet.com.
Which two actions would you take to resolve the issue? (Choose two.)
- A. Add " Google " .com to the URL category in the security profile.
- B. Set the action for Google in the Application and Filter Overrides section to Allow
- C. Set SSL inspection to deep-content inspection.
- D. Change the Inspection mode to Flow-based
- E. Move up Google in the Application and Filter Overrides section to set its priority lot
Answer: B,E
Explanation:
From the exhibits:
The firewall policy has Application Control enabled and uses certificate-inspection for SSL inspection.
The application sensor has Application and Filter Overrides with the following order (priority):
Excessive-Bandwidth with action Block
Google (vendor filter) with action Monitor
In FortiOS, Application and Filter Overrides are evaluated by priority (top-down). The first matching override is applied. If traffic matches an earlier override with Block, it will be blocked even if a later override would Monitor/Allow it.
Why Google apps fail while www.fortinet.com works:
Many Google applications can be detected as (or can trigger) the Excessive-Bandwidth behavior/signature depending on the specific service and traffic pattern.
Because Excessive-Bandwidth (Block) is above Google (Monitor), Google-related traffic may match the first rule and be blocked before the Google override is evaluated.
Access to www.fortinet.com works because that traffic is not matching the Excessive-Bandwidth override.
Therefore, to resolve:
B). Move up Google in the Application and Filter Overrides section to set its priority higher This ensures Google matches the Google override before any broader blocking override is applied.
E). Set the action for Google in the Application and Filter Overrides section to Allow This explicitly permits Google applications once the higher-priority match occurs (stronger than Monitor for troubleshooting and ensuring access).
Why the other options are not the best fit here:
A (deep-content inspection) can help identify more HTTPS applications, but the exhibit already shows a specific Google override configured; the immediate issue is the override evaluation order and action.
C relates to Web Filter URL categories, but the problem is occurring under Application Control behavior
/vendor overrides.
D (flow-based) is not required to fix an override priority/action conflict.
NEW QUESTION # 36
Refer to the exhibit, which shows a partial configuration from the remote authentication server.
Why does the FortiGate administrator need this configuration?
- A. To authenticate Any FortiGate user groups.
- B. To set up a RADIUS server Secret.
- C. To authenticate only the Training user group.
- D. To authenticate and match the Training OU on the RADIUS server.
Answer: C
Explanation:
The Fortinet-Group-Name attribute is used to restrict authentication to users who belong specifically to the "Training" user group on the RADIUS server.
NEW QUESTION # 37
Which three statements about SD-WAN performance SLAs are true? (Choose three.)
- A. They are applied in a SD-WAN rule lowest cost strategy.
- B. They rely on session loss and jitter.
- C. They monitor the state of the FortiGate device.
- D. All the SLA targets can be configured.
- E. They can be measured actively or passively.
Answer: A,D,E
Explanation:
In FortiOS 7.6, SD-WAN Performance SLAs are used to measure link quality and influence SD-WAN rule decisions. The following three statements are true.
C . All the SLA targets can be configured.
True
SD-WAN Performance SLAs allow administrators to configure:
Latency
Jitter
Packet loss
Mean Opinion Score (MOS) (for voice)
Threshold values for these metrics are fully configurable per SLA.
This is explicitly documented in the SD-WAN Performance SLA configuration section.
D . They are applied in an SD-WAN rule lowest cost strategy.
True
Performance SLAs are commonly used with the Lowest Cost (SLA-based) strategy.
In this strategy:
FortiGate selects the lowest-cost link that meets the SLA requirements.
If a link violates the SLA, it is excluded from selection.
E . They can be measured actively or passively.
True
FortiOS supports:
Active probing (synthetic probes such as ping/HTTP)
Passive measurement (based on real traffic statistics)
Administrators can choose how SLAs are measured depending on the deployment and requirements.
Why the other options are incorrect
A . They rely on session loss and jitter.
Incorrect
SLAs measure packet loss, latency, and jitter.
Session loss is not an SLA metric in FortiOS.
B . They monitor the state of the FortiGate device.
Incorrect
Performance SLAs monitor link quality, not FortiGate system health or device state.
NEW QUESTION # 38
Refer to the exhibits.
An administrator configured both members of an HA cluster at the same time. After one week of monitoring, the administrator wants to verify the HA failover performance. How can the administrator force a failover?
(Choose one answer)
- A. The administrator must set the monitored port1 to down on HQ-NGFW-1.
- B. The administrator must increase the HA priority on HQ-NGFW-2.
- C. The administrator must reset the HA uptime on HQ-NGFW-1.
- D. The administrator must set the parameter override to enable on HQ-NGFW-2.
Answer: C
Explanation:
"This slide shows the order when the HA override setting is disabled, which is the default behavior."
"1. The cluster compares the number of monitored interfaces that have a status of up. The member with the most available monitored interfaces becomes the primary.
2. The cluster compares the HA uptime of each member. The member with the highest HA uptime, by at least five minutes, becomes the primary.
3. The member with the highest priority becomes the primary."
"When HA override is disabled, the HA uptime has precedence over the priority setting. This means that if you must manually fail over to a secondary device, you can do so by reducing the HA uptime of the primary FortiGate. You can do this by running the diagnose sys ha reset-uptime command on the primary FortiGate, which resets its HA uptime to 0." Technical Deep Dive:
The correct answer is A .
Both HA members are configured with set override disable , so FGCP does not prefer the higher-priority unit first. With override disabled, the election order is based on monitored interfaces , then HA uptime , then priority , and finally serial number . Since the cluster has been running for one week , the secondary unit will have a much higher HA uptime than a unit whose uptime is reset to zero. Therefore, if the administrator runs diagnose sys ha reset-uptime on the current primary HQ-NGFW-1 , FGCP re-evaluates election and the other member can take over.
Option B is wrong because enabling override only on HQ-NGFW-2 does not by itself force an immediate clean failover in this scenario and also changes election behavior rather than performing the documented manual failover action. Option C is wrong because with override disabled, priority does not beat HA uptime
. Option D can simulate a link failover , but the study guide's documented manual failover method for this exact override-disabled condition is to reset the primary's HA uptime.
Relevant CLI:
diagnose sys ha reset-uptime
get system ha status
diagnose sys ha status
This is the clean exam-aligned method to trigger a controlled HA role change.
NEW QUESTION # 39
You have configured an application control profile, set peer-to-peer traffic to Block under the Categories tab, and applied it to the firewall policy. However, your peer-to-peer traffic on known ports is passing through the FortiGate without being blocked. What FortiGate settings should you check to resolve this issue?
- A. FortiGuard category ratings
- B. Application and Filter Overrides
- C. Replacement Messages for UDP-based Applications
- D. Network Protocol Enforcement
Answer: D
Explanation:
Network Protocol Enforcement:
- Ensures that traffic on a specific port matches the expected protocol.
- Enabling it forces FortiGate to examine payloads even on known ports.
NEW QUESTION # 40
FortiGate is integrated with FortiAnalyzer and FortiManager.
When a firewall policy is created, which attribute is added to the policy to improve functionality and to support recording logs to FortiAnalyzer or FortiManager?
- A. Universally Unique Identifier
- B. Sequence ID
- C. Policy ID
- D. Log ID
Answer: A
Explanation:
When FortiGate is integrated with FortiAnalyzer or FortiManager, each firewall policy is assigned a Universally Unique Identifier (UUID). This UUID allows consistent identification and tracking of the policy across devices and log systems, even if the policy ID changes. It ensures accurate correlation of logs and centralized management across Fortinet's management and analysis platforms.
NEW QUESTION # 41
When configuring firewall policies which of the following is true regarding the policy ID? (Choose two.)
- A. A policy ID cannot be modified once a policy is created.
- B. It is mandatory to provide a policy ID while creating a firewall policy regardless of GUI or CLI.
- C. You can create a policy in CLI with policy ID 0
- D. A firewall policy ID identifies the order of policy execution in firewall policies.
Answer: A,C
Explanation:
According to the FortiOS 7.6 Administration Guide, the firewall policy ID is a unique numerical identifier assigned to each policy for internal database tracking and management purposes. It is important to distinguish the policy ID from the policy sequence. While the FortiGate processes traffic based on a top-down approach (the sequence), the policy ID itself does not determine the order of execution (Statement A is incorrect).
In FortiOS, once a policy is committed to the configuration, the policy ID cannot be modified (Statement B). If an administrator needs to change a policy ID, they must either delete and recreate the policy or use the clone command in the CLI to copy the settings to a new ID.
Furthermore, the CLI provides a specific shortcut for policy creation: you can create a policy with ID 0 (Statement C). When the command edit 0 is used within the config firewall policy context, the FortiOS kernel automatically assigns the next available integer as the policy ID. This is a standard practice for efficient configuration via the command line. Statement D is incorrect because, while every policy must have an ID, the GUI automatically generates this value without requiring the user to manually provide or even see it during the initial creation process.
NEW QUESTION # 42
When configuring firewall policies which of the following is true regarding the policy ID? (Choose two.)
- A. A policy ID cannot be modified once a policy is created.
- B. It is mandatory to provide a policy ID while creating a firewall policy regardless of GUI or CLI.
- C. You can create a policy in CLI with policy ID 0
- D. A firewall policy ID identifies the order of policy execution in firewall policies.
Answer: A,C
Explanation:
According to the FortiOS 7.6 Administration Guide, the firewall policy ID is a unique numerical identifier assigned to each policy for internal database tracking and management purposes. It is important to distinguish the policy ID from the policy sequence . While the FortiGate processes traffic based on a top-down approach (the sequence), the policy ID itself does not determine the order of execution (Statement A is incorrect).
In FortiOS, once a policy is committed to the configuration, the policy ID cannot be modified (Statement B).
If an administrator needs to change a policy ID, they must either delete and recreate the policy or use the clone command in the CLI to copy the settings to a new ID.
Furthermore, the CLI provides a specific shortcut for policy creation: you can create a policy with ID 0 (Statement C). When the command edit 0 is used within the config firewall policy context, the FortiOS kernel automatically assigns the next available integer as the policy ID. This is a standard practice for efficient configuration via the command line. Statement D is incorrect because, while every policy must have an ID, the GUI automatically generates this value without requiring the user to manually provide or even see it during the initial creation process.
NEW QUESTION # 43
Refer to the exhibit. Why is the Antivirus scan switch grayed out when you are creating a new antivirus profile for FTP?
- A. None of the inspected protocols are active in this profile.
- B. FortiGate, with less than 2 GB RAM, does not support the Antivirus scan feature.
- C. The Feature Set for the profile is Flow-based but it must be Proxy-based.
- D. Antivirus scan is disabled under System -> Feature visibility.
Answer: A
Explanation:
The Antivirus scan switch is grayed out because none of the inspected protocols (HTTP, SMTP, POP3, IMAP, FTP, CIFS) have been enabled in the new antivirus profile. Until at least one protocol is turned on, FortiGate does not allow activation of the antivirus scan.
NEW QUESTION # 44
Refer to the exhibits. An administrator has observed the performance status outputs on an HA cluster for 55 seconds.
Which FortiGate is the primary?
- A. HQ-NGFW-1 with the parameter memory-failover-flip-timeout setting
- B. HQ-NGFW-2 with the parameter memory-failover-threshold setting
- C. HQ-NGFW-1 with the parameter override setting
- D. HQ-NGFW-2 with the parameter priority setting
Answer: B
Explanation:
The configured memory failover threshold is 70%, and FW-1 is running at 90%. The monitored period is set to 50 seconds, while the question states that the admin observed the output for 55 seconds. This means FW-1 has remained above the 70% threshold for more than the configured monitoring period, while the memory usage on FW-2 is below 70%.
NEW QUESTION # 45
An administrator wanted to configure an IPS sensor to block traffic that triggers a signature set number of times during a specific time period.
How can the administrator achieve the objective?
- A. Use IPS packet logging option with periodical filter option.
- B. Use IPS filter, rate-mode periodical option.
- C. Use IPS group signatures, set rate-mode 60.
- D. Use IPS filter, rate-mode periodical option.
Answer: B
Explanation:
The IPS filter with the rate-mode set to "periodical" allows the administrator to block traffic that triggers a signature a specified number of times within a defined time period, meeting the requirement.
NEW QUESTION # 46
Refer to the exhibits.
The exhibits show a diagram of a FortiGate device connected to the network, and the firewall configuration.
An administrator created a Deny policy with default settings to deny Webserver access for Remote-User2.
The policy should work such that Remote-User1 must be able to access the Webserver while preventing Remote-User2 from accessing the Webserver. Which additional configuration can the administrator add to a deny firewall policy, beyond the default behavior, to block Remote-User2 from accessing the Webserver?
(Choose one answer)
- A. Disable match-vip in the Allow_access policy.
- B. Configure a One-to-One IP Pool object in a new policy.
- C. Set the Destination address as Webserver in the Deny policy.
- D. Set the Destination address as Deny_IP in the Allow_access policy.
Answer: C
Explanation:
"The example on this slide shows how FortiGate handles two incoming connections to the same external address, but on different ports... Both connections match the firewall policy ID, which references two VIPs as destination."
"In FortiOS, VIPs and firewall address objects are completely different. They are stored separately with no overlap. Starting in version 7.2.4, the parameter match-vip is enable by default and allows the firewall address objects to match VIPs."
"In the example shown on this slide, the destination of the first firewall policy is set to all . This means all destination addresses (0.0.0.0/0), by default, including the external addresses defined on the VIPs." Technical Deep Dive:
The correct answer is C. Set the Destination address as Webserver in the Deny policy.
FortiGate allows VIP objects to be used as destination objects in firewall policies . The study guide explicitly shows incoming connections matching firewall policies that reference VIPs as the destination. That means if the administrator wants to deny only Remote-User2 # Webserver , the clean and specific way is to set the Destination in the Deny policy to the Webserver VIP .
Why this is the best answer:
* With the default deny-policy behavior, destination = all plus match-vip enabled by default means the deny rule can match VIP external addresses too.
* But that is broader than necessary. If the intent is specifically to block access only to the published Webserver , then the deny rule should explicitly reference the Webserver VIP as the destination.
Why the other options are wrong:
* A is incorrect because match-vip is relevant to deny policy behavior, and the study guide notes that match-vip is available only when the firewall policy action is set to DENY . An allow policy is not where this setting applies.
* B is unrelated. IP pools are for SNAT behavior, not for selectively denying inbound access to a VIP.
* D is incorrect because Deny_IP is the source object representing the remote user, not the destination web server.
So the proper additional configuration is to make the deny policy specific by setting:
* Source = Deny_IP
* Destination = Webserver
* Action = DENY
That blocks Remote-User2 from the VIP-published web server while still allowing Remote-User1 to reach it through the lower allow policy.
NEW QUESTION # 47
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