Exam NSE7_OTS-7.2 topic 1 question 4 discussion

Actual exam question from Fortinet's NSE7_OTS-7.2

Question #: 4
Topic #: 1

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 protocols from PLCs.
Which security sensor must you implement to detect protocols on the OT network?

A. Antivirusinspection
B. Intrusion prevention system (IPS)
C. Application control
D. Deep packet inspection (DPI)

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Suggested Answer: C 🗳️

by Melina_amira at Dec. 28, 2024, 7:28 p.m.

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L_U_P_I_N

5 days, 8 hours ago

Selected Answer: D

Deep Packet Inspection (DPI) is required to analyze industrial protocols such as Modbus, DNP3, IEC 60870-5-104, etc., by inspecting packet contents beyond the headers. This allows FortiGate to recognize and classify OT protocols, even if they use non-standard ports.

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