CyberCertPrepOT Security FundamentalsOT Fundamentals: Security Standards OverviewEASYFree question
FR1 in IEC 62443 groups requirements for verifying the identity of human users, software processes and devices. What is FR1 called?
- A.Restricted data flow between zones
- B.Identification plus authentication control
- C.Use control over authorized actions
- D.System integrity against tampering
Why B is correct
FR1 is identification and authentication control. FR2 is use control, FR3 is system integrity and FR5 is restricted data flow.
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