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| Section | Weight | Objectives |
|---|---|---|
| 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% | - Purdue Model and secure network segmentation - Authentication and access policies for OT devices - OT Ethernet and industrial communication models |
| Network Security | 25% | - Deep inspection for industrial protocols (Modbus, DNP3, OPC) - Virtual patching for legacy OT systems - Security automation and threat response |
| Monitoring and Risk Assessment | 25% | - Event handling and logging with FortiAnalyzer 7.6 - Threat detection using FortiSIEM 7.4 - OT-focused risk assessment and management |
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NEW QUESTION # 54
How are rogue devices evaluated in FortiNAC? (Choose one answer)
Answer: C
Explanation:
The correct answer is A. Through device profiling rules . The study guide states: "When a rogue device record is created, the device is evaluated against the enabled device profiling rules." It further explains that "FortiNAC evaluates a device against each rule until a failed, passed, or cannot evaluate result is reached." That is the direct evaluation mechanism used for rogue devices in FortiNAC.
The guide also adds that "Device profiling rules are used to evaluate and classify rogue devices" and that FortiNAC applies rule methods and classification settings to determine whether the device matches a known type. This is why the other options are incorrect: FortiGuard server queries and the local device database (CIDB) relate to FortiGate device detection workflows, not FortiNAC rogue-device evaluation, and importing a devices list is not the evaluation method described for rogue devices.
NEW QUESTION # 55
Which industrial protocol does not support VLANs? (Choose one answer)
Answer: C
Explanation:
The correct answer is C. EtherCAT .
The study guide states that for industrial Ethernet protocols, "such as Ethernet/IP and Modbus/TCP, you can use VLANs to segment your physical LAN into multiple logical LANs." This directly confirms that Ethernet/IP and Modbus/TCP support VLAN-based segmentation in the OT context.
By contrast, the guide explains that "EtherCAT skips layers 3 to 6 to deliver real-time communication" and describes it as an "Open-Software Modified-Ethernet" approach. Because it does not operate like the standard Ethernet/IP model used for normal VLAN-based segmentation, EtherCAT is the protocol identified here as not supporting VLANs in the way Ethernet/IP and Modbus/TCP do.
So, based on the study guide comparison, the verified answer is EtherCAT .
NEW QUESTION # 56
For the installation of your first FortiGate device, you want to minimize the impact in your OT network.
Therefore, you deploy it initially as an offline IDS. Which two statements about this deployment are correct?
(Choose two answers)
Answer: A,C
Explanation:
Deploying a FortiGate in offline IDS (also known as one-arm sniffer mode) is a common strategy in OT environments for several reasons found in the study guide:
* Priority of Availability : In OT, availability and safety are critically important and prioritized higher than in IT. An offline IDS minimizes impact because it does not sit in the direct path of production traffic.
* Network Sensor Role : In this mode, the FortiGate is connected to a mirror/SPAN port on a switch. It acts as a network sensor , receiving a copy of the traffic rather than having the traffic flow through it.
This confirms Statement A is correct and Statement D is incorrect.
* Passive vs. Active : The guide explicitly states that in OT environments, passive methods are preferred over active methods to avoid negatively impacting performance or causing process interruptions.
* Depth of Visibility : Even though the device is offline, you apply security profiles (such as IPS, Application Control, and Antivirus) to the sniffer interface. This allows the FortiGate to analyze the copied traffic and provide deep visibility into the OT assets and their behaviors. This confirms Statement B is correct.
* Detection vs. Prevention : An IDS (Intrusion Detection System) is passive ; it can detect threats but cannot reset connections or drop packets to block attacks. Therefore, it cannot block zero-day attacks, making Statement C incorrect.
NEW QUESTION # 57
Refer to the exhibit.
A partial OT network is shown. In this OT network, you must add additional security measures to detect OT protocols and, therefore, increase the traffic visibility. Which security sensor must you implement to detect the OT protocols in this network? (Choose one answer)
Answer: B
Explanation:
The correct answer is C. Application sensor set to monitor on all the FortiGate devices .
The study guide clearly explains that application control is the feature used to identify OT protocols. It states that "application control detects the protocols used in applications like Modbus, IEC 104, and the contents of the telecontrol messages" and also says "You can use application control signatures to detect OT protocols." It further shows an example where a Modbus application control profile is enabled on a firewall policy "for OT protocol visibility in the monitor status." This directly matches the requirement in the question, which is to detect OT protocols and increase traffic visibility .
The other options do not fit the requirement as precisely. Device detection is for identifying devices and collecting endpoint information, not for detecting industrial protocols. Inline IDS and IPS are focused more on detecting or blocking attacks, exploits, protocol abnormalities, and known vulnerabilities. While IPS can inspect some OT traffic, the study guide distinguishes it from application control by stating that IPS signatures tend to detect exploits, whereas application control signatures tend to provide protocol detection at various levels . Therefore, the required security sensor for OT protocol detection and traffic visibility is the application sensor in monitor mode .
NEW QUESTION # 58
During layer 2 polling , which two pieces of information are gathered by FortiNAC to identify a device?
(Choose two answers)
Answer: C,D
Explanation:
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.
NEW QUESTION # 59
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