VDV Video Distribution 3

Question 1

What is the function of a video matrix switcher in a large distribution system?

Accepted Answer

Route any input to any output in any combination

Answer

A matrix switcher allows any input source to be routed to one or more outputs independently, providing full crosspoint switching flexibility.

Question 2

What does HDCP stand for in the context of video distribution?

Accepted Answer

High-bandwidth Digital Content Protection

Answer

HDCP (High-bandwidth Digital Content Protection) is a copy-protection scheme that encrypts digital video signals over HDMI, DVI, and DisplayPort connections.

Question 3

A balun is used in video distribution primarily to accomplish which of the following?

Accepted Answer

Convert 75-ohm coax to twisted-pair transmission

Answer

Video baluns allow analog or digital video to travel over Category cable (twisted pair) by converting the unbalanced coax signal to a balanced differential signal.

Question 4

In HDMI distribution, what is the maximum cable length generally recommended without a signal booster for standard 1080p?

Accepted Answer

50 feet

Answer

Passive HDMI cables are typically reliable up to about 50 feet for 1080p; beyond that, active cables or extenders are recommended to maintain signal integrity.

Question 5

Which technology allows HDMI signals to be extended over Cat5e/Cat6 cable beyond 100 feet?

Accepted Answer

HDBaseT

Answer

HDBaseT is a connectivity standard that transmits uncompressed HD video, audio, power, and control signals over a single Cat5e/Cat6 cable up to 100 meters.

(VDV) Voice Data Video Technician Certified Practice Test

(VDV) Voice Data Video Technician Certified Practice Test

VDV Video Distribution 3