CDCS 無料問題集「EXIN EPI Certified Data Centre Specialist」

（A）Rating - 4

（B）Rating - 3

（C）Rating - 2

（D）Rating - 1

（A）Yes, amongst other aspects, the network architecture should be Rated-3 compliant with the requirements of ANSI/TIA-942.

（B）No, as concurrently maintainable only applies to electrical and mechanical (power and cooling).

（C）Yes, but only if the network administration does not comply with ANSI/TIA-606.

（D）No, only the type of cabling used will be audited.

（A）Air conditioners perpendicular to (at the end of the row of) the Cold-Aisle

（B）Air conditioners should always be placed at both sides of each row of racks

（C）Air conditioner placement has no influence on cooling effectiveness and efficiency. Hence, they can be placed at any convenient location.

（D）Air conditioners perpendicular to (at the end of the row of) the Hot-Aisle

（A）Tiles with air deflectors or louvers do not allow for a flexible cooling solution.

（B）Tiles with air deflectors or louvers will reduce the cooling capacity of the tile.

（C）Tiles with air deflectors or louvers can be very heavy.

（D）Tiles with air deflectors or louvers can only be used to cool storage equipment.

（A）At 1.5 meters/5 feet above the floor in the middle of the hot aisle

（B）At 1.5 meters/5 feet above the floor in the middle of the cold aisle

（C）At the back/rear of the server at 50 mm/2 inch

（D）At the front/intake of the server at 50 mm/2 inch

（A）A = 20 log (M / R)
Where A is Attenuation M is the maximum acceptable value R is the real value measured

（B）A = M / R
Where A is Attenuation M is the maximum acceptable value R is the real value measured

（C）You do not have to calculate the attenuation factor for shielding material as it always has the same attenuation

（D）A = 20 log (R / M)
Where A is Attenuation R is the real value measured M is the maximum acceptable value