CCTV Video Storage & Retrieval Systems 2

Question 1

What is the purpose of RAID in a CCTV storage system?

Accepted Answer

To provide data redundancy and fault tolerance across multiple drives

Answer

To increase the video frame rate

Answer

To compress video files more efficiently

Answer

To encrypt footage for secure transmission

Question 2

Which RAID level mirrors data across two drives, providing full redundancy with 50% usable capacity?

Accepted Answer

RAID 1

Answer

RAID 0

Answer

RAID 5

Answer

RAID 6

Question 3

Before exporting CCTV footage as evidence, the operator should:

Accepted Answer

Create a hash checksum to verify file integrity

Answer

Delete the original file to save space

Answer

Re-encode the file to a smaller format

Answer

Edit out irrelevant sections

Question 4

What term describes the process of searching stored video to find a specific recorded event?

Accepted Answer

Video retrieval

Answer

Video encoding

Answer

Video streaming

Answer

Video calibration

Question 5

Which feature allows a CCTV system to immediately locate recorded footage triggered by a specific alarm or sensor event?

Accepted Answer

Event-based or alarm-triggered recording index

Answer

Time-lapse playback

Answer

Analog signal boost

Answer

Pan-tilt preset recall

Question 6

Offsite or cloud backup of CCTV recordings is primarily used to:

Accepted Answer

Protect footage from on-site theft, fire, or hardware failure

Answer

Increase camera resolution

Answer

Reduce the number of cameras needed

Answer

Improve live video streaming quality

Question 7

What does the term 'bitrate' refer to in CCTV video storage?

Accepted Answer

The amount of data processed or recorded per second

Answer

The number of cameras on a single channel

Answer

The physical length of the recording cable

Answer

The screen size of the monitoring display