RCDD Certification RCDD-002 Book

BICSI Registered Communications Distribution Designer - RCDD Questions and Answers

Question 33

Which of the following is NOT an advantage of access floor systems?

They have a low initial cost

They are designed for high capacity

They are aesthetically acceptable for office decor

Cabling is easily accessible across the entire floor

Changes can be made quickly with little occupant disruption

Question 34

If you are using a building automation system (BAS) protocol operating on RF media at 19,200 b/s in the 868 MHz band, which protocol are you using?

European installation bus

Lon Talk

MODBUS

LonMark

Modicon

Question 35

What is the expected lumenance value, in watts, of a 200 watt fluorescent lamp after three years?

120 watts

140 watts

160 watts

180 watts

200 watts

Question 36

Within a heating ventilation and air conditioning automatic control system, what do the letters DDC stand for?

Dual division charger

Direct digital control

Diverse duct center

Direct drive cable

Differential diffuser control