Verified & Latest NSE7_OTS-7.2 Dump Q&As with Correct Answers [Q29-Q53]

NO.29 Refer to the exhibit

In the topology shown in the exhibit, both PLCs can communicate directly with each other, without going through the firewall.
Which statement about the topology is true?

PLCs use IEEE802.1Q protocol to communicate each other.

An administrator can create firewall policies in the switch to secure between PLCs.

This integration solution expands VLAN capabilities from Layer 2 to Layer 3.

There is no micro-segmentation in this topology.

NO.30 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?

It uses OSI Layer 2 and the primary device sends data based on request from secondary device.

It uses OSI Layer 2 and both the primary/secondary devices always send data during the communication.

It uses OSI Layer 2 and both the primary/secondary devices send data based on a matching token ring.

It uses OSI Layer 2 and the secondary device sends data based on request from primary device.

NO.31 What two advantages does FortiNAC provide in the OT network? (Choose two.)

It can be used for IoT device detection.

It can be used for industrial intrusion detection and prevention.

It can be used for network micro-segmentation.

It can be used for device profiling.

NO.32 Refer to the exhibit.

Based on the topology designed by the OT architect, which two statements about implementing OT security are true? (Choose two.)

Firewall policies should be configured on FortiGate-3 and FortiGate-4 with industrial protocol sensors.

Micro-segmentation can be achieved only by replacing FortiGate-3 and FortiGate-4 with a pair of FortiSwitch devices.

IT and OT networks are separated by segmentation.

FortiGate-3 and FortiGate-4 devices must be in a transparent mode.

NO.33 In a wireless network integration, how does FortiNAC obtain connecting MAC address information?

RADIUS

Link traps

End station traffic monitoring

MAC notification traps

NO.34 Refer to the exhibit.

PLC-3 and CLIENT can send traffic to PLC-1 and PLC-2. FGT-2 has only one software switch (SSW-1) connecting both PLC-3 and CLIENT. PLC-3 and CLIENT can send traffic to each other at the Layer 2 level.
What must the OT admin do to prevent Layer 2-level communication between PLC-3 and CLIENT?

Set a unique forward domain for each interface of the software switch.

Create a VLAN for each device and replace the current FGT-2 software switch members.

Enable explicit intra-switch policy to require firewall policies on FGT-2.

Implement policy routes on FGT-2 to control traffic between devices.

NO.35 As an OT network administrator, you are managing three FortiGate devices that each protect different levels on the Purdue model. To increase traffic visibility, you are required to implement additional security measures to detect exploits that affect PLCs.
Which security sensor must implement to detect these types of industrial exploits?

Intrusion prevention system (IPS)

Deep packet inspection (DPI)

Antivirus inspection

Application control

NO.36 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?

FortiGate

FortiEDR

FortiSwitch

FortiNAC

NO.37 What are two benefits of a Nozomi integration with FortiNAC? (Choose two.)

Enhanced point of connection details

Direct VLAN assignment

Adapter consolidation for multi-adapter hosts

Importation and classification of hosts

NO.38 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.)

The administrator selected the wrong logs to be indexed in FortiAnalyzer.

The administrator selected the wrong time period for the report.

The administrator selected the wrong devices in the Devices section.

The administrator selected the wrong hcache table for the report.

NO.39 Refer to the exhibit.

Based on the topology designed by the OT architect, which two statements about implementing OT security are true? (Choose two.)

Firewall policies should be configured on FortiGate-3 and FortiGate-4 with industrial protocol sensors.

Micro-segmentation can be achieved only by replacing FortiGate-3 and FortiGate-4 with a pair of FortiSwitch devices.

IT and OT networks are separated by segmentation.

FortiGate-3 and FortiGate-4 devices must be in a transparent mode.

NO.40 What can be assigned using network access control policies?

Layer 3 polling intervals

FortiNAC device polling methods

Logical networks

Profiling rules

NO.41 Which three Fortinet products can be used for device identification in an OT industrial control system (ICS)?
(Choose three.)

FortiNAC

FortiManager

FortiAnalyzer

FortiSIEM

FortiGate

NO.42 What triggers Layer 2 polling of infrastructure devices connected in the network?

A failed Layer 3 poll

A matched security policy

A matched profiling rule

A linkup or linkdown trap

NO.43 The OT network analyst run different level of reports to quickly explore failures that could put the network at risk. Such reports can be about device performance. Which FortiSIEM reporting method helps to identify device failures?

Business service reports

Device inventory reports

CMDB operational reports

Active dependent rules reports

NO.44 Refer to the exhibit.

Which statement is true about application control inspection?

The industrial application control inspection process is unique among application categories.

Security actions cannot be applied on the lowest level of the hierarchy.

You can control security actions only on the parent-level application signature

The parent signature takes precedence over the child application signature.

NO.45 What are two critical tasks the OT network auditors must perform during OT network risk assessment and management? (Choose two.)

Planning a threat hunting strategy

Implementing strategies to automatically bring PLCs offline

Creating disaster recovery plans to switch operations to a backup plant

Evaluating what can go wrong before it happens

NO.46 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?

FortiSIEM and FortiManager

FortiSandbox and FortiSIEM

FortiSOAR and FortiSIEM

A syslog server and FortiSIEM

NO.47 An administrator wants to use FortiSoC and SOAR features on a FortiAnalyzer device to detect and block any unauthorized access to FortiGate devices in an OT network.
Which two statements about FortiSoC and SOAR features on FortiAnalyzer are true? (Choose two.)

You must set correct operator in event handler to trigger an event.

You can automate SOC tasks through playbooks.

Each playbook can include multiple triggers.

You cannot use Windows and Linux hosts security events with FortiSoC.

NO.48 Refer to the exhibit.

An operational technology rule is created and successfully activated to monitor the Modbus protocol on FortiSIEM. However, the rule does not trigger incidents despite Modbus traffic and application logs being received correctly by FortiSIEM.
Which statement correctly describes the issue on the rule configuration?

The first condition on the SubPattern filter must use the OR logical operator.

The attributes in the Group By section must match the ones in Fitters section.

The Aggregate attribute COUNT expression is incompatible with the filters.

The SubPattern is missing the filter to match the Modbus protocol.

NO.49 Refer to the exhibit.

An OT network security audit concluded that the application sensor requires changes to ensure the correct security action is committed against the overrides filters.
Which change must the OT network administrator make?

Set all application categories to apply default actions.

Change the security action of the industrial category to monitor.

Set the priority of the C.BO.NA.1 signature override to 1.

Remove IEC.60870.5.104 Information.Transfer from the first filter override.

Explanation
According to the Fortinet NSE 7 – OT Security 6.4 exam guide1, the application sensor settings allow you to configure the security action for each application category andnetwork protocol override. The security action determines how the FortiGate unit handles traffic that matches the application category or network protocol override. The security action can be one of the following:
Allow: The FortiGate unit allows the traffic without any further inspection.
Monitor: The FortiGate unit allows the traffic and logs it for monitoring purposes.
Block: The FortiGate unit blocks the traffic and logs it as an attack.
The priority of the network protocol override determines the order in which the FortiGate unit applies the security action to the traffic. The lower the priority number, the higher the priority. For example, a priority of 1 is higher than a priority of 10.
In the exhibit, the application sensor has the following settings:
The industrial category has a security action of allow, which means that the FortiGate unit will not inspect or log any traffic that belongs to this category.
The IEC.60870.5.104 Information.Transfer network protocol override has a security action of block, which means that the FortiGate unit will block and log any traffic that matches this protocol.
The IEC.60870.5.104 Control.Functions network protocol override has a security action of monitor, which means that the FortiGate unit will allow and log any traffic that matches this protocol.
The IEC.60870.5.104 Start/Stop network protocol override has a security action of allow, which means that the FortiGate unit will not inspect or log any traffic that matches this protocol.
The IEC.60870.5.104 Transfer.C.BO.NA.1 network protocol override has a security action of block, which means that the FortiGate unit will block and log any traffic that matches this protocol.
The problem with these settings is that the IEC.60870.5.104 Transfer.C.BO.NA.1 network protocol override has a lower priority than the IEC.60870.5.104 Information.Transfer network protocol override. This means that if the traffic matches both protocols, the FortiGate unit will apply the security action of the higher priority override, which is block. However, the IEC.60870.5.104 Transfer.C.BO.NA.1 protocol is used to transfer binary outputs, which are essential for controlling OT devices. Therefore, blocking this protocol could have negative consequences for the OT network.
To fix this issue, the OT network administrator must set the priority of the IEC.60870.5.104 Transfer.C.BO.NA.1 network protocol override to 1, which is higher than the priority of the IEC.60870.5.104 Information.Transfer network protocol override. This way, the FortiGate unit will apply the security action of the lower priority override, which is allow, to the traffic that matches both protocols. This will ensure that the FortiGate unit does not block the traffic that is used to transfer binary outputs, while still blocking the traffic that is used to transfer information.
1: NSE 7 Network Security Architect – Fortinet

NO.50 An OT supervisor has configured LDAP and FSSO for the authentication. The goal is that all the users be authenticated against passive authentication first and, if passive authentication is not successful, then users should be challenged with active authentication.
What should the OT supervisor do to achieve this on FortiGate?

Configure a firewall policy with LDAP users and place it on the top of list of firewall policies.

Enable two-factor authentication with FSSO.

Configure a firewall policy with FSSO users and place it on the top of list of firewall policies.

Under config user settings configure set auth-on-demand implicit.

NO.51 An OT network architect must deploy a solution to protect fuel pumps in an industrial remote network. All the fuel pumps must be closely monitored from the corporate network for any temperature fluctuations.
How can the OT network architect achieve this goal?

Configure a fuel server on the remote network, and deploy a FortiSIEM with a single pattern temperature security rule on the corporate network.

Configure a fuel server on the corporate network, and deploy a FortiSIEM with a single pattern temperature performance rule on the remote network.

Configure a fuel server on the remote network, and deploy a FortiSIEM with a single pattern temperature performance rule on the corporate network.

Configure both fuel server and FortiSIEM with a single-pattern temperature performance rule on the corporate network.

NO.52 Which three criteria can a FortiGate device use to look for a matching firewall policy to process traffic?
(Choose three.)

Services defined in the firewall policy.

Source defined as internet services in the firewall policy

Lowest to highest policy ID number

Destination defined as internet services in the firewall policy

Highest to lowest priority defined in the firewall policy

NO.53 An OT administrator is defining an incident notification policy using FortiSIEM and would like to configure the system with a notification policy. If an incident occurs, the administrator would like to be able to intervene and block an IP address or disable a user in Active Directory from FortiSIEM.
Which step must the administrator take to achieve this task?

Configure a fabric connector with a notification policy on FortiSIEM to connect with FortiGate.

Create a notification policy and define a script/remediation on FortiSIEM.

Define a script/remediation on FortiManager and enable a notification rule on FortiSIEM.

Deploy a mitigation script on Active Directory and create a notification policy on FortiSIEM.