RCDD-002 試験問題を無料オンラインアクセス

Time division multiplexing (TDM) systems are designed to transport ________ between end point systems.

• A.Both analog and digital signals, but only one type at a time
• B.A mix of both analog and digital signals
• C.Only digital signals
• D.Only analog signals

When developing a safety plan, consider all of the following EXCEPT:

• A.The safety coordinator should hold a safety meeting prior to the start of the project
• B.Areas that should be addressed by the safety plan include emergency numbers and work area protection
• C.The contractor should contact the customer safety coordinator to evaluate site specific emergency procedures
• D.Safety may be excluded from scope where an information technology system (ITS) designer is responsible for the design only

At a minimum, convenience receptacles in an ER or TR are to be located ________ AFF.

• A.375 mm (15 in)
• B.450 mm (18 in)
• C.150 mm (6 in)
• D.300 mm (12 in)

You are placing two 423 mm (19 in) relay racks with a 152 mm (6 in) vertical management panel on each end and a 12 in vertical cable management panel between the racks. The rack lineup begins against a wall in the room. What is the MINIMUM room size required?

• A.2.4 m (8 ft) x 3.0 m (10 ft)
• B.2.1 m (7 ft) x 2.4 m (8 ft)
• C.3.0 m (10 ft) x 3.0 m (10 ft)
• D.2.4 m (8 ft) x 2.4 m (8 ft)
• E.1.83 m (6 ft) x 2.4 m (8 ft)

What is the MINIMUM cover for underground conduit?

• A.305 mm (12 in)
• B.610 mm (24 in)
• C.457 mm (18 in)
• D.762 mm (30 in)
• E.152 mm (6 in)