CyberCertPrepOT Security FundamentalsOT Fundamentals: ICS/SCADA BasicsEASYFree question
A SCADA database that timestamps and archives tag values over months and years so analysts can trend production and investigate incidents is known as a(n):
- A.Historian
- B.Front-end processor
- C.Remote terminal unit
- D.Engineering workstation
Why A is correct
A process historian is a specialized time-series database that records tag values with timestamps for long-term trending, reporting, and forensic review. It is distinct from the real-time control databases that drive moment-to-moment operations.
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