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Which of the following is/are most relevant for surveillance ? 1. C

June 1, 2025 by rawan239

Which of the following is/are most relevant for surveillance ?

1. CCTV
2. Key control
3. Access control

Select the correct answer using the code given below :

1 and 2 only

2 and 3 only

1, 2 and 3

1 only

This question was previously asked in

UPSC CISF-AC-EXE – 2023

Download PDF Attempt Online

The correct answer is D) 1 only. Surveillance involves monitoring activities. CCTV (Closed-Circuit Television) is a direct and primary tool for visual surveillance. Key control and access control are measures to manage who can enter specific areas; they are part of overall security and access management but are not forms of surveillance themselves, which focuses on observation and monitoring of behaviour or events.

Surveillance is the act of observing or monitoring. CCTV performs this function directly. Access control and key control prevent or restrict access but do not primarily involve observation.

A comprehensive security system often integrates surveillance (like CCTV) with access control (like card readers or key systems) and other measures. However, when distinguishing the primary function, only CCTV from the list is fundamentally a surveillance technology.

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