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| Section | Weight | Objectives |
|---|---|---|
| Monitoring and Risk Assessment | 25% | - OT-focused risk assessment and management - Event handling and logging with FortiAnalyzer 7.6 - Threat detection using FortiSIEM 7.4 |
| Network Security | 25% | - Virtual patching for legacy OT systems - Security automation and threat response - Deep inspection for industrial protocols (Modbus, DNP3, OPC) |
| Network Access Control | 25% | - Purdue Model and secure network segmentation - OT Ethernet and industrial communication models - Authentication and access policies for OT devices |
| Asset Management | 25% | - Device detection and inventory using FortiGate & FortiNAC - Fortinet Security Fabric for OT environments - OT security standards and compliance (IEC 62443, NIST) |
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質問 # 15
What is the next step if FortiGate cannot detect a device locally? (Choose one answer)
正解：D
解説：
The correct answer is A. FortiGate queries FortiGuard servers . The study guide explains the device detection process very clearly: "First, FortiGate attempts to detect the devices based on the information in the local device database (CIDB). If FortiGate cannot detect the devices locally, it queries the FortiGuard servers by sending data about the unknown devices to the FortiGuard servers. In response, the FortiGuard servers provide additional information about those devices." This directly answers the question and shows that querying FortiGuard is the next step after local detection fails.
Option D is incorrect because the guide says FortiGate checks the local device database (CIDB) first, before this next step. Option B refers more to FortiNAC-style profiling logic, not FortiGate's OT device detection flow. Option C is also incorrect because service connectors are not described here as the immediate follow-up step for unknown local device detection. The study guide specifically identifies FortiGuard servers as the next destination for device identification assistance.
質問 # 16
Refer to the exhibit.
A partial Incident Analysis page is shown. How was the 360-Degree Security Review OT report attached to the incident? (Choose one answer)
正解：B
解説：
The study guide says playbooks are used to automate tasks such as running reports and creating/updating incidents . It also says that after a playbook is triggered, it flows through its configured tasks.
It further shows a sample playbook sequence where an event is detected, an incident is created , a report runs , and details are attached to the incident . That is exactly the kind of workflow shown in the incident analysis view.
By contrast, the study guide says event handlers generate events when logs match configured rules. Event handlers are for detection, not for attaching reports to incidents.
質問 # 17
Refer to the exhibit.
A partial OT network is shown. You must improve the security of this OT network and implement internal segmentation between network 1 and network 2. How can you achieve the segmentation? (Choose one answer)
正解：A
解説：
The correct answer is D. You can configure forward domain IDs for each network .
The study guide explains that in FortiGate transparent mode, all interfaces belong to the same broadcast domain, even interfaces with different VLAN IDs , and then states that you can "subdivide into multiple broadcast domains" by configuring set forward-domain < domain_ID > . It also states that "interfaces with the same domain ID belong to the same broadcast domain" and, with multiple forward domains,
"traffic arriving on one interface is broadcast only to interfaces in the same forward domain ID." That is the mechanism used to separate internal networks and confine traffic between network segments.
The other options do not fit this requirement. Universal ZTNA is for application access control, not segmentation between two OT networks. One traffic VDOM does not create segmentation by itself; multiple VDOMs would be needed for that type of isolation. An explicit software switch controls intraswitch traffic inside the same software-switch domain, not segmentation between separate networks like network 1 and network 2. Therefore, the correct way to implement the internal segmentation asked in the question is to assign different forward domain IDs to each network.
質問 # 18
Refer to the exhibit.
The configuration of firewall policies is shown.
To improve the security of your OT network, you have configured authentication in the firewall policies as shown in the exhibit, with CLI parameters set to their default settings. However, when you test HTTPS access from the LAN subnet to PLC-1, it is successful without any authentication prompt.
What is the reason?
正解：D
解説：
The correct answer is A . Policy ID 8 contains the Supervisors user group, so authentication is required for traffic matching that policy. However, policy ID 9 permits traffic to PLC-1 without a user or user-group authentication requirement. Fortinet explains that when an authentication policy is followed by a fall-through policy that does not require authentication , traffic can match the fall-through policy and proceed without generating a login prompt. This is particularly relevant because the default CLI setting is auth-on-demand implicitly. Under the default implicitly behavior, FortiGate does not trigger active authentication when a matching unauthenticated fall-through policy exists. Setting auth-on-demand always, or requiring authentication on all potentially matching policies, changes that behavior. Therefore, HTTPS succeeds without prompting because authentication was not configured on firewall policy ID 9 .
質問 # 19
Refer to the exhibit.
Which statement about this partial Asset Identity List page is correct? (Choose one answer)
正解：D
解説：
The correct answer is B. A firewall policy has a Virtual Patching security profile applied to it .
The decisive clue in the exhibit is the Vulnerabilities column showing KEVs and device-specific vulnerability counts. The study guide explains the virtual patching workflow in this exact way: "FortiGate performs a lookup for device-specific vulnerabilities and mitigation rules in FortiGuard," then
"FortiGuard returns specific OT virtual patching signatures," and "FortiGate caches the signatures and mitigation rules that apply to each device." That is the same behavior reflected by the Asset Identity List showing vulnerability information per detected device.
The guide then states that "When traffic related to the vulnerable device reaches FortiGate, the firewall policy with the virtual patching profile applies." It also says "A virtual patching profile can be applied to firewall policies in any direction, protecting traffic from or to the vulnerable OT device." This directly links the per-device vulnerability visibility to a Virtual Patching profile enforced through firewall policy.
The other options do not match the exhibit. Antivirus is not described in the study guide as building a device- by-device vulnerability list, Application Control is used for OT protocol and message visibility, and IPS focuses on exploit detection and prevention. The Vulnerabilities/KEVs display is the indicator that FortiGate is using Virtual Patching logic for those OT devices.
質問 # 20
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