CCTV technologies make possible three (3) distinct yet complementary functions: The first is visual assessment of an alarm or other event. Th is permits the operator to assess the nature of the alarm before initiating a response.What are the other two (2) functions of CCTV?
A.
surveillance and deterrence
B.
intrusion detection and response
C.
optical and lighting
D.
monitoring and inspection
Explanation:
A: Uses of CCTV systems for security services include several different functions: surveillance, assessment, deterrence, and evidentiary archives. Page 608.
Uses of CCTV systems for security services include several different functions: surveillance, assessment, deterrence, and evidentiary archives
安全服務閉路電視系統的用途包括以下幾個功能：監測，評估，威懾和證據檔案
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