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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Security | 25% | - Deep inspection for industrial protocols (Modbus, DNP3, OPC) - Security automation and threat response - Virtual patching for legacy OT systems |
| Topic 2: Asset Management | 25% | - Fortinet Security Fabric for OT environments - Device detection and inventory using FortiGate & FortiNAC - OT security standards and compliance (IEC 62443, NIST) |
| Topic 3: 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 |
| Topic 4: Network Access Control | 25% | - Authentication and access policies for OT devices - OT Ethernet and industrial communication models - Purdue Model and secure network segmentation |
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NEW QUESTION # 21
Refer to the exhibit.
A partial legacy OT network is shown.
You must improve this historically flat OT network and minimize the risk of lateral movement.
Which action must you perform?
Answer: A
Explanation:
The correct answer is B . A historically flat OT network permits excessive east-west communication, allowing a compromised host to move laterally toward other controllers, HMIs, and critical systems. Fortinet recommends microsegmentation to control these communication paths. The study guide explains that microsegmentation controls intra-VLAN traffic through firewall policies , prevents hosts in the same segment from directly seeing or communicating with each other, and forces permitted communication through an enforcement point such as FortiGate. This provides granular host isolation and increased traffic visibility for monitoring and threat hunting. A normal hardware switch does not inherently impose the required security policies and therefore does not adequately restrict lateral movement. SD-WAN addresses WAN path selection and resilience, while two-factor authentication strengthens user authentication but does not control device-to- device traffic inside a flat process or control network. Therefore, firewall-based microsegmentation is the required architectural control.
NEW QUESTION # 22
Refer to the exhibit.
A partial OT network is shown.
You have recently removed the air gap in the network to provide full connectivity.
What must you configure to protect your OT network from external attacks?
Answer: D
Explanation:
The correct answer is D . Removing the air gap creates connectivity between the OT environment and external networks, significantly increasing exposure to unauthorized access and cyberattacks. Fortinet explains that the expansion of remote connectivity and IT/OT interconnections increases the OT attack surface and that the modern threat landscape requires IPS to block a wider range of threats . In the shown Purdue-style topology, FortiGate_Level5 is positioned at the upper boundary toward external connectivity and is therefore the appropriate enforcement point for protecting against attacks entering from outside the OT environment. Virtual patching at Level 2 is intended primarily to compensate for known vulnerabilities on specific OT devices that cannot yet be patched. Application Control provides industrial protocol visibility and command-level control, while merely enabling OT signatures at Level 3 does not replace perimeter intrusion prevention. Consequently, IPS belongs on FortiGate_Level5 .
NEW QUESTION # 23
During layer 2 polling , which two pieces of information are gathered by FortiNAC to identify a device?
(Choose two answers)
Answer: A,B
NEW QUESTION # 24
How are rogue devices evaluated in FortiNAC? (Choose one answer)
Answer: A
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 # 25
Refer to the exhibit.
A FortiAnalyzer report is shown.
You must extract relevant information provided by the report regarding your OT network.
Which two statements are correct? (Choose two.)
Answer: B,D
Explanation:
The correct answers are B and C . The exhibit ' s Top Threat section identifies the IPS threats as Blocked , directly confirming that the attacks were prevented rather than merely detected. The OT Traffic table also shows destination port 502 . Modbus/TCP conventionally operates on TCP port 502, and the OT Security 7.6 study guide identifies Modbus as an industrial protocol supported and inspected by Fortinet OT security controls. The report does not cover only one day; its displayed timeline spans multiple dates, from approximately October 30 through November 3. Option D is also inconsistent with the report because the visible OT destination addresses are associated with the 192.168.x.x networks rather than 10.1.5.1.
FortiAnalyzer reports summarize logged information into charts and tables specifically to expose traffic patterns, threats, and OT activity such as this.
NEW QUESTION # 26
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