Free NSE7_OTS-6.4: Fortinet NSE 7 - OT Security 6.4 Exam Questions and Answers
23 verified practice questions for NSE7_OTS-6.4.
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Last updated: September 19, 2026
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Question #1
An OT supervisor needs to protect their network by implementing security with an industrial signature database on the FortiGate device. Which statement about the industrial signature database on FortiGate is true?
Please select an optionIncorrectCorrect answer: D
The industrial IPS signature database ships with FortiGate but is off by default; an administrator enables it from the CLI under the IPS global settings. No separate purchase or custom signature writing is required.
Was this answer correct?Question #2
An OT network architect needs to secure control area zones with a single network access policy to provision devices to any number of different networks. On which device can this be accomplished?
Please select an optionIncorrectCorrect answer: D
FortiNAC profiles and controls devices at the point of connection, so one network access policy can dynamically provision endpoints into many different VLANs or zones. FortiGate, FortiSwitch and FortiEDR do not provide that centralized onboarding.
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What two advantages does FortiNAC provide in the OT network? (Choose two.)
Select 2 answers.
Please select an optionIncorrectCorrect answer: C, D
In an OT network FortiNAC profiles connected devices to identify what each one is and then places them in the right segment, enabling micro-segmentation of control zones. Industrial intrusion detection is a FortiGate IPS function.
Was this answer correct?Question #4
When you create a user or host profile, which three criteria can you use? (Choose three.)
Select 3 answers.
Please select an optionIncorrectCorrect answer: A, D, E
Profiles are built from host or user group membership, the connection location, and host or user attributes; an existing access control policy is a result of profiles, not a criterion.
Was this answer correct?Question #5
As an OT administrator, it is important to understand how industrial protocols work in an OT network. Which communication method is used by the Modbus protocol?
Please select an optionIncorrectCorrect answer: D
Modbus is a request-response protocol: the primary (master) polls and the secondary (slave) device answers only when requested, so it never initiates traffic on its own.
Was this answer correct?Question #6
An OT administrator configured and ran a default application risk and control report in FortiAnalyzer to learn more about the key application crossing the network. However, the report output is empty despite the fact that some related real-time and historical logs are visible in the FortiAnalyzer. What are two possible reasons why the report output was empty? (Choose two.)
Select 2 answers.
Please select an optionIncorrectCorrect answer: B, D
An empty report with visible logs usually means the report covered a time period with no data, or it was built from a stale or wrong hcache table that held no aggregated results.
Was this answer correct?Question #7
Refer to the exhibit. Based on the Purdue model, which three measures can be implemented in the control area zone using the Fortinet Security Fabric? (Choose three.)
Select 3 answers.
Please select an optionIncorrectCorrect answer: B, C, D
In the control area zone FortiGate provides application control and IPS for industrial protocols, FortiNAC controls device access, and FortiSIEM correlates events; SD-WAN and endpoint EDR belong to other zones.
Was this answer correct?Question #8
Refer to the exhibit, which shows a non-protected OT environment. An administrator needs to implement proper protection on the OT network. Which three steps should an administrator take to protect the OT network? (Choose three.)
Select 3 answers.
Please select an optionIncorrectCorrect answer: B, D, E
Protecting an unprotected OT environment requires segmenting the network, deploying a FortiGate inside each ICS network, and applying firewall policies with industrial protocol sensors; a one-arm sniffer cannot block traffic.
Was this answer correct?Question #9
An OT administrator deployed many devices to secure the OT network. However, the SOC team is reporting that there are too many alerts, and that many of the alerts are false positive. The OT administrator would like to find a solution that eliminates repetitive tasks, improves efficiency, saves time, and saves resources. Which products should the administrator deploy to address these issues and automate most of the manual tasks done by the SOC team?
Please select an optionIncorrectCorrect answer: C
FortiSOAR adds playbook-driven automation and case management on top of the correlation FortiSIEM provides, removing repetitive triage work and cutting false positives for the SOC team.
Was this answer correct?Question #10
Refer to the exhibit. You are navigating through FortiSIEM in an OT network. How do you view information presented in the exhibit and what does the FortiGate device security status tell you?
Please select an optionIncorrectCorrect answer: B
The view is the FortiSIEM summary dashboard, and a red device status square indicates at least one high-severity security incident logged for that FortiGate.
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