DCDC-003.1 試験問題を無料オンラインアクセス

What is the clearance required between the cold aisle and the CRAC unit?

• A.6 feet
• B.4 feet
• C.2 feet
• D.8 feet

What is the first preference regarding utility service, class F4?

• A.One circuit from one substation, separate paths
• B.At least one circuit from two separate substations, different voltage levels
• C.At least two circuits from two separate substations, diverse substation power grids and separate paths
• D.At least two circuits from one substation, same path

What is the low temperature that must be maintained in a data center according to NEB standards?

• A.65 degrees
• B.55 degrees
• C.75 degrees
• D.60 degrees
• E.70 degrees

what is the ANSI/TIA-942 typical range of pressure differential regarding positive pressure for data center.

• A.Less than or equal to -0,1 in water column (-25 Pa)
• B.More than -0,005 in wc (< -1,24 Pa), but less than or equal to +0,05in wc (+12,4 Pa)
• C.Less Than -4,+4 inches water column(-1000 opa ,+100 <pa>)
• D.More than +3in wc (>746Pa),but less than or equaltto+6,in wc(1492 pa))

What is the clearance required between cabinets and the perimeter wall?

• A.4 ft
• B.2 ft
• C.6 ft
• D.8 ft