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| Section | Weight | Objectives |
|---|---|---|
| Network Security | 25% | - Deep inspection for industrial protocols (Modbus, DNP3, OPC) - Security automation and threat response - Virtual patching for legacy OT systems |
| Asset Management | 25% | - OT security standards and compliance (IEC 62443, NIST) - Device detection and inventory using FortiGate & FortiNAC - Fortinet Security Fabric for OT environments |
| Network Access Control | 25% | - Authentication and access policies for OT devices - OT Ethernet and industrial communication models - Purdue Model and secure network segmentation |
| Monitoring and Risk Assessment | 25% | - Event handling and logging with FortiAnalyzer 7.6 - OT-focused risk assessment and management - Threat detection using FortiSIEM 7.4 |
>> NSEI_OTS_AR-7.6 Learning Materials <<
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NEW QUESTION # 38
Match each industrial protocol to its corresponding characteristics.
Select each OT industrial protocol in the column on the left and drag and drop it into the blank space next to its corresponding characteristic in the column on the right. You must match all four industrial protocols to their characteristics in the work area.
Answer:
Explanation:
Explanation:
Industrial Protocol
Correct Characteristic
POWERLINK
Mainly used for the transmission of process data
EtherCAT
Offers real-time data transmission in a primary-secondary configuration Modbus Uses client/server communication Ethernet/IP Based entirely on Ethernet standards The correct mappings follow the industrial Ethernet characteristics defined in the OT Security 7.6 curriculum.
Ethernet/IP is the industrial protocol based entirely on Ethernet standards and adapts to the standard Ethernet
/TCP-IP architecture. EtherCAT is designed for deterministic real-time communication and specifically operates in a primary-secondary configuration while bypassing OSI layers 3 through 6. POWERLINK is an open real-time industrial Ethernet protocol that uses OSI layers 2 and 7 and is mainly intended for transmitting process data. Modbus , by contrast, uses a client/server communication model in which the server responds only after receiving a request from a client; it is not considered a real-time transmission protocol. These distinctions uniquely determine all four drag-and-drop placements.
NEW QUESTION # 39
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)
Answer: A
Explanation:
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.
NEW QUESTION # 40
Refer to the exhibit.
A partial OT network is shown.
PLC-1 has a known critical vulnerability, but you cannot update it.
What must you configure to protect PLC-1?
Answer: B
Explanation:
The correct answer is C . This scenario is the precise use case for virtual patching . The OT Security 7.6 study guide states that virtual patching protects OT devices that have not yet been updated against vulnerability exploits . FortiGate identifies the vulnerable asset, queries FortiGuard for device-specific vulnerabilities and mitigation rules, receives applicable OT virtual-patching signatures, and maps those rules to the device. When traffic associated with the vulnerable asset reaches FortiGate, the firewall policy containing the virtual-patching profile applies the protection. In the topology, FortiGate_Level2 is the enforcement point immediately protecting PLC-1 and the control-network assets. IPS at Level 5 provides broader perimeter protection, but it is not the device-specific compensating control requested here.
Application Control primarily regulates industrial protocols and commands. Therefore, Virtual patching on FortiGate_Level2 is required.
NEW QUESTION # 41
Refer to the exhibit.
An automation trigger creation wizard is shown. You want to automate some tasks in your OT network. In a FortiGate device, you create a new automation trigger based on a FortiAnalyzer event handler. When you want to configure the Event handler name field, the event handler created in FortiAnalyzer is not shown.
What are two reasons for this? (Choose two answers)
Answer: B,D
Explanation:
The correct answers are A and B .
Option B is correct because the study guide states that "When a handler generates an event with the automation stitch option enabled, FortiAnalyzer sends a notification" to FortiGate. If Automation Stitch is not enabled in the FortiAnalyzer event handler, that handler will not be usable for the FortiGate automation- stitch workflow. The guide also explains that the configuration of each event handler can include
"Automation stitches" and "Rules," showing that this is a required part of the FortiAnalyzer-to-FortiGate automation path.
Option A is also correct. The study guide explains the automation flow in the Security Fabric:
"FortiAnalyzer parses the logs and notifies the root FortiGate" and then "The root FortiGate triggers the action." That means FortiGate must have the FortiAnalyzer connection configured through the Security Fabric side before it can consume FortiAnalyzer event handlers. The warning in the exhibit about configuring a FortiAnalyzer connection also points directly to that requirement.
Option C is incorrect because + Create is not the reason the existing event handler is missing; it is only an interface control. Option D is not the best answer for this item because the question is about why the event handler name list on FortiGate is empty for FortiAnalyzer-triggered automation. The study guide's verified requirements for that workflow are the FortiAnalyzer-to-FortiGate Fabric connection and enabling Automation Stitch on the FortiAnalyzer event handler.
NEW QUESTION # 42
Refer to the exhibit.
A simplified OT network is shown. You want to optimize the protection of this OT network. Which two controls must you implement? (Choose two answers)
Answer: A,D
Explanation:
The correct answers are B. IPS on FortiGate_Level5 and C. Virtual patching on FortiGate_Level2 .
The study guide explains that "the first line of defense is securing the IT side of your network" and that FortiGate should be placed to protect ICS environments and stop threats from propagating from IT into OT. It also states that IPS improves OT security because "today's threat landscape requires IPS to block a wider range of threats and improve OT security" and that in IPS mode, vulnerable devices are protected . This makes FortiGate_Level5 , at the upper boundary near the DMZ and external connectivity, the correct place to implement IPS as a primary protection control.
The study guide also states in the Purdue model section that "Level 2 consists of the processes and programs that control the PLCs, RTUs, and IEDs found at Level 1" and that "it is necessary to segment, or even microsegment, these servers with firewall segmentation, along with policies that include application control and virtual patching." In addition, the virtual patching section says "Virtual patching protects OT devices that have not yet been updated against vulnerability exploits" and applies when traffic related to the vulnerable device reaches the firewall policy. Since FortiGate_Level2 sits between the process network and the control network, it is the right enforcement point for virtual patching to protect the PLC-side assets.
Option A is not one of the best answers because offline IDS only detects and logs attacks; the guide says "no traffic flows through FortiGate" in offline IDS mode, whereas IPS can actually block threats. Option D is also not the best answer because OT signatures are enabled within the IPS framework, but the stronger control explicitly described for this design is to deploy IPS at the upper boundary and virtual patching closer to vulnerable OT devices .
NEW QUESTION # 43
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