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| Section | Objectives |
|---|---|
| Topic 1: Asset management | - Explain OT standard and Fortinet compliance - Implement device detection on FortiGate and FortiNAC - Fortinet Security Fabric for an OT network |
| Topic 2: Monitoring and risk assessment | - Analyze security reports from FortiAnalyzer - Perform risk assessment and management - Create FortiAnalyzer event handlers |
| Topic 3: Network security | - Configure virtual patching - Configure automation - Configure security inspections for industrial protocols |
| Topic 4: Network access control | - Configure network segmentation schemas - Explain OT Ethernet concepts - Configure network access authentication |
>> Fortinet NSEI_OTS_AR-7.6テキスト <<
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質問 # 41
During layer 2 polling , which two pieces of information are gathered by FortiNAC to identify a device?
(Choose two answers)
正解：C、D
解説：
According to the OT Security 7.6 Architect study guide section on Asset Management , specifically regarding FortiNAC Visibility :
* Layer 2 Polling Data : Because each physical address is unique, FortiNAC identifies hosts as they connect to the network. The information gathered during this process fills in the physical address and location information in the database.
* Visibility Components : The guide states that the physical address learned , the time it was learned , and where it was learned from provide the foundation of endpoint visibility in the form of " what, where, and when " information. This confirms that Where it was learned (Option A) and The time it was learned (Option D) are correct.
* Exclusions :
* Layer 3 Polling : The MAC-to-IP correlation (Option B) is explicitly defined as a function of Layer 3 polling , where the correlated IP address is added to the database record for the corresponding MAC address.
* DHCP Fingerprinting : The host name or system name (Option C) and the operating system are gathered via DHCP fingerprinting , not layer 2 polling.
質問 # 42
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 should "use this command to subdivide into multiple broadcast domains" with set forward-domain < domain_ID > . It further explains that
"interfaces with the same domain ID belong to the same broadcast domain" and "traffic arriving on one interface is broadcast only to interfaces in the same forward domain ID." This is exactly the mechanism used to separate one internal network from another and improve segmentation.
The other options do not match this requirement. Universal ZTNA is described as controlling user access to applications , not segmenting two internal OT networks. An explicit software switch is for controlling intra- switch or intra-VLAN traffic inside the same software switch broadcast domain, which is more aligned with microsegmentation than separating two routed internal networks. One traffic VDOM does not create segmentation by itself; segmentation with VDOMs requires multiple VDOMs, not one. Therefore, the best choice for segmenting network 1 and network 2 in this scenario is to assign separate forward domain IDs .
質問 # 43
Refer to the exhibit.
A partial OT network is shown. You have configured the FortiGate device with VLANs to segment the OT network. The supervisor now wants to connect to the PLC from the Engineering Workstation. How can you allow access from the Engineering Workstation to the PLC? (Choose one answer)
正解：B
解説：
The correct answer is D. You must configure a layer 3 switch .
The study guide explains that "Layer 2 devices can add or remove tags" but "cannot modify them." It then states that "A layer 3 device, such as a router or FortiGate, can modify the VLAN tag before routing the packet. This allows them to route traffic between VLANs." It also explicitly describes
"Router on a Stick" as "a way to allow routing between VLANs." Since the exhibit shows a layer-2 switch and the Engineering Workstation and PLC are placed in different VLANs, inter-VLAN communication requires layer-3 routing.
The other options do not solve this requirement. intra-switch-policy explicit/implicit applies to a software switch , where member interfaces are in the same broadcast domain and same subnet, not to routing between separate VLANs. forward domain IDs are used in transparent mode to confine broadcasts to specific broadcast domains; they do not provide inter-VLAN access. Therefore, to let the Engineering Workstation in one VLAN reach the PLC in another VLAN, you need a layer 3 routing function , which matches option D .
質問 # 44
Refer to the exhibit.
A basic event handler is shown. You have enabled Automation Stitch to automate the handling of an alert.
Which two steps must you take to use this automation stitch? (Choose two answers)
正解：B、D
解説：
The correct answers are C and D .
Option D is correct because the study guide states that the configuration of an event handler can include
"Rules" and explains that "Rules are granular conditions" and "Event handlers can have one or more rules." It further states that "FortiAnalyzer uses event handlers to filter all incoming logs" and "If logs match the conditions configured in an event handler, FortiAnalyzer generates an event." Therefore, to use the automation stitch, you must define the rules on FortiAnalyzer so the event handler can actually generate the event that starts the automation flow.
Option C is also correct. The study guide explains that "When a handler generates an event with the automation stitch option enabled, FortiAnalyzer sends a notification" to the FortiGate side, and in the attack-detection example it says "FortiAnalyzer parses the logs and notifies the root FortiGate" and then
"The root FortiGate triggers the action." It also explicitly shows "Stitches configured on root FortiGate." This means the FortiGate must have the corresponding automation trigger configured for the FortiAnalyzer event handler notification.
Option A is incorrect because the study guide does not describe configuring an Action on FortiAnalyzer as the required step for this FortiAnalyzer-to-FortiGate automation-stitch flow. Option B is also incorrect because playbooks are a different FortiAnalyzer automation mechanism; the question specifically refers to using the Automation Stitch option in the event handler.
質問 # 45
Refer to the exhibit.
The OT devices behind the ruggedized FortiGate have vulnerabilities and you want to apply a virtual patching profile in the firewall policy. Why is Virtual Patching not available in the Security Profiles section? (Choose one answer)
正解：B
解説：
The correct answer is A. You must enable Virtual Patching in the Feature Visibility section .
The study guide states clearly that "By default, virtual patching profiles are hidden on the GUI, and you must enable them through System > Feature Visibility." That exactly matches the situation in the exhibit, where Virtual Patching does not appear under Security Profiles . So the issue is not that the feature is unsupported, but that it is simply hidden in the GUI until it is enabled.
The other options do not answer the question being asked. A valid OT security service license is required for virtual patching signatures and protection workflow, and OT signatures are relevant to IPS-based OT protection, but those do not explain why the menu item itself is missing from the Security Profiles section .
The guide specifically identifies Feature Visibility as the reason the Virtual Patching profile is not shown in the GUI. Therefore, the required action is to enable Virtual Patching in System > Feature Visibility .
質問 # 46
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