Free EXIN CDCS Exam Dumps Questions & Answers

Which formula is correct for a three-phase system?

• A.  Phase-to-Phase Voltage = 1 # (Phase-to-Neutral Voltage × 1.732)
• B.  Phase-to-Phase Voltage = Phase-to-Neutral Voltage × 1.732
• C.  Phase-to-Phase Voltage = Phase-to-Neutral Voltage ÷ 1.732
• D.  Phase-to-Phase Voltage = 1 # (Phase-to-Neutral Voltage ÷ 1.732)

What is the advantage of using Multi-fiber Push-On (MPO) connectors?

• A.  Made of high-quality materials, reusable without risk
• B.  Allows a single connector with multiple fibers running parallel, enabling easy upgrade to 40-100 Gbit/s
• C.  Very flexible, can be used for both copper and optical fiber
• D.  No advantage, cannot be used with OM4 fiber

A computer room with raised floor and hot/cold aisles is designed. What is the minimum required distance between the air-conditioner outlet and the first rack?

• A.  None
• B.  60 cm (2 ft)
• C.  120 cm (4 ft)
• D.  180 cm (6 ft)

A battery bank has 800 Ah total capacity. How much charging current should the rectifier be able to supply?

• A.  80 A
• B.  40 A
• C.  60 A
• D.  160 A

What precaution shall be taken for cabling leading into an equipment rack when a data center is in a seismic- prone area?

• A.  Cables should be replaced by busbar trunking.
• B.  Cables can be organized in any way as it is not important.
• C.  Cables shall be tightly organized to the rack and trays to avoid movement.
• D.  Cables should be loosely organized to allow for movement and be latched at the connectors.