Pass Authentic BICSI DCDC-003.1 with Free Practice Tests and Exam Dumps [Q68-Q87] : Top Exam Collection : http://blog.topexamcollection.com

NEW QUESTION 68
What is the acceptable rate of temperature change per hour in a data center according to TIA-942?

5 degrees

7 degrees

9 degrees

12 degrees

15 degrees

NEW QUESTION 69
What kind of height clearance should data center access roads have?

A Minimum clear road width and sixteen (16) ft height clearance throughout.

A Minimum clear road width and six(06) ft height clearance throughout.

A Minimum clear road width with fourteen (14)ft hight clearance throughout.

None Of The Above.

NEW QUESTION 70
According to NEB, what is the recommended range for the low temperature in a data center?

65 degrees

60 degrees

55 degrees

70 degrees

75 degrees

NEW QUESTION 71
What is the recommended amount of fuel supply to be available to a class F4 data center?

24 hours

48 hours

72 hours

96 hours

NEW QUESTION 72
What room should have direct access to the computer room?

Break room

Server room

Network Operations Center (NOC)

Administrative office

NEW QUESTION 73
What is the first preference regarding utility service, class F4?

At least two circuits from one substation, same path

One circuit from one substation, separate paths

At least two circuits from two separate substations, diverse substation power grids and separate paths

At least one circuit from two separate substations, different voltage levels

NEW QUESTION 74
what is another main function of the entrance room?

to house the telecommunications main grounding busbar

to store backup telecommunication devices

as a dedicated location outside building

None of these

NEW QUESTION 75
when is a battery room required to have electrolyte spill containment and exhaust systems?

when using Lithium batteries

when using Nickel Cadmium batteries

when using Sealed lead-acid-batteries

when the batteries contain liquid, free-flowing electrolyte

All of Above

NEW QUESTION 76
Which network topology uses the least amount of cabling?

Star

Mesh

Bus

Top of Rack

NEW QUESTION 77
What are three reasons for locating the power distribution unit outside the computer room?

removes maintenance item, removes a source of heat, allows P D U to occupy less expensive space

reduces cable congestion, prevents water damage, provides better access points

increases cooling efficiency, eliminates fire hazard, minimizes noise pollution

lowers electricity costs, improves network speed, enhances security measures

NEW QUESTION 78
what is the maximum recommended elevation for a data center

1,000 ft

5,000 ft

10,000 ft

15,000 ft

NEW QUESTION 79
What is the minimum access floor to ceiling height recommended?

8 feet minimum

9 feet minimum

10 feet minimum

11ft minimum

NEW QUESTION 80
What is the recommended headroom for overhead cable tray?

3″

6″

9″

12″

NEW QUESTION 81
what are the dimensions of circulation pathways?

4 feet wide and have clear overhead of 8 feet

5 feet width with a height of 7feet.

6feet width, width depends on the layout functionality.

None

All

NEW QUESTION 82
What’s conservative’ hydrogen maximum flow rate per minute for battery.

500 cm/m²

21 cm/m²

61 cm/m²

None of these answer

NEW QUESTION 83
What is the third preference regarding electricity supply?

At Least Two Circuits From Same Power Grid But Different Substations And Separate Paths

One Balanced Feeder Coordinated With Upstream Backup Feed

One Circuit From Single Sub Station Fed Via Additional Path from Alternate Power Grid

Two Balanced Feeds With Same Voltage Derived From A Single Distribution Station

NEW QUESTION 84
What room should have its own dedicated air handling system apart from the computer room?

Electrical Room

Break Room

Printer Room

Storage Room

Telecommunications Room

NEW QUESTION 85
What are three primary considerations in designing the power systems space plan?

Energy utilization, efficiency of cooling and redundant generators

Physical security, environmental monitoring, backup power source

Reduce transmission loss, conduit path minimizing & spacing requirement for system

Leakage current control, firewall protection & hardening redundancy

NEW QUESTION 86
What is the clearance required between the cold aisle and the CRAC unit?

2 feet

4 feet

6 feet

8 feet

NEW QUESTION 87
What electrical service feed options are there for a data center?

Single Entrance/Single Pathway

Single Entrance/Dual Pathway

Dual Entrance/Dual Pathway

All of the above