5-Minute Tech Quiz
1. Metadata information is used by analog CCTV cameras to provide line sync.a. True
b. False
2. Which of the following is an example of video analytics?
a. Object tracking
b. Motion detection
c. Face recognition
d. All of the above
e. None of the above
3. Which of the following is an advantage of replacing an analog VCR with a DVR?
a. Reliability
b. Archival storage space
c. Faster video searches
d. All of the above
e. None of the above
4. Which of the following codecs are used with most analog VCRs?
a. JPEG
b. MPEG
c. Wavelet
d. Any of the above
e. None of the above
5. Edge recording refers to a CCTV camera’s ability to view images across the entire lens area.
a. True
b. False
6. Which of the below can affect the recording capacity of a DVR?
a. Image resolution
b. Activity
c. Hard drive size
d. Any of the above
e. None of the above
7. Like their NVR siblings, all DVRs require a network connection.
a. True
b. False
8. Analog CCTV cameras never digitize the image.
a. True
b. False
9. A DVR requires the use of:
a. digital cameras.
b. digital recorder.
c. digital network.
d. All of the above
e. None of the above
10. Increasing the hard disk size is the only way to increase video image storage for a DVR.
a. True
b. False
11. What type of connector is used to connect analog CCTV cameras to a DVR?
a. BNC
b. RJ-45
c. RJ-31X
d. Any of the above
e. None of the above
12. Video analytics can allow you to track motion and direction.
a. True
b. False
13. NVRs can replace analog matrix switching equipment.
a. True
b. False
14. DVRs can easily be used to upgrade existing VCR systems.
a. True
b. False
15. A DVR that provides for both analog and digital CCTV camera connections is called a:
a. dual-use DVR
b. hybrid
c. mirrored drive
d. Any of the above
e. None of the above
5-Minute Tech Quiz Answers
1. b
2. d — Video analytics can include all of these. It allows the system to alert an operator when an event occurs that is outside of the programmed parameters.
3. d — Additionally, a DVR can allow the video images to be viewed remotely over a net-work.
4. e
5. b — Edge recording is the ability of a digital camera to store video at the camera for later retrieval or transmission over a network.
6. d
7. b — DVRs can be standalone, as a VCR replacement, or may be connected to a network.
8. b
9. b — A standalone DVR does not require any digital equipment other than the built-in digital recording circuits and can be used as a direct replacement for a VCR using existing analog CCTV cameras.
10. b — You can also vary the image resolution, images per second, and recording motion to increase storage capacity.
11. a
12. b — By tracking both motion and direction, you can count the number of people in an area or be alerted to improper entries and exits.
13. a
14. a
15. b
