DCDC-002 Free Practice Test

What IBC occupancy category are data centers placed in if they don't have to operate after an earthquake?

1. A. Category1
2. B. Category2
3. C. Category3
4. D. Category 4

Correct Answer: B

What is the minimum distance from the bottom of the access floor to the top of the cable tray?

1. A. 1 inch
2. B. 2 inches
3. C. 3 inches
4. D. 4 inches
5. E. 5 inches

Correct Answer: B

What is the third preference regarding electricity supply?

1. A. At Least Two Circuits From Same Power Grid But Different Substations And Separate Paths
2. B. One Balanced Feeder Coordinated With Upstream Backup Feed
3. C. One Circuit From Single Sub Station Fed Via Additional Path from Alternate Power Grid
4. D. Two Balanced Feeds With Same Voltage Derived From A Single Distribution Station

Correct Answer: A

What is the difference between a hot aisle and a cold aisle containment system?

1. A. Hot aisle containment system encloses the hot aisle to prevent mixing with the cold air while cold aisle containment system encloses the cold aisle to prevent mixing with the hot air
2. B. Hot aisle containment system is more efficient in terms of cooling than cold aisle containment system
3. C. Cold aisle containment system is more cost-effective than hot aisle containment system
4. D. Hot aisle containment system is more flexible and adaptable to changing needs than cold aisle containment system

Correct Answer: A

What is the recommended clearance space required for hot and cold aisles in a data center?

1. A. 1-2 feet
2. B. 3-4 feet
3. C. 5-6 feet
4. D. 7-8 feet

Correct Answer: B