This tests basic knowledge of video surveillance that even a junior person or someone with minimal experience should have. Doing well on this does not make one an expert BUT doing poorly indicates a potential problem for surveillance users or industry people.
NVRs can be accessed over the Internet but DVRs cannot.
What is the most common codec used in video surveillance?
What is the most widely adopted 'standard' for connecting IP cameras and VMSes?
An analog camera can run over Category 5 cable.
What is the horizontal by vertical pixel count for 1080p?