BICSI DCDC-003.1 Real Exam Questions and Answers FREE
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NEW QUESTION # 84
what is the ANSI/TIA-942 recommended operational temperature
- A. 60F to 75F
- B. 80F to 90F
- C. -10°C to +45°C
- D. 68F to 77F
Answer: D
NEW QUESTION # 85
What is the high temperature that must be maintained in a data center according to TIA-942?
- A. 80 degrees
- B. 75 degrees
- C. 70 degrees
- D. 77 degrees
- E. 85 degrees
Answer: D
NEW QUESTION # 86
What is the recommended clearance space required for hot and cold aisles in a data center?
- A. 3-4 feet
- B. 1-2 feet
- C. 5-6 feet
- D. 7-8 feet
Answer: A
NEW QUESTION # 87
What is the first preference regarding utility service, class F4?
- A. One circuit from one substation, separate paths
- B. At least two circuits from one substation, same path
- C. At least one circuit from two separate substations, different voltage levels
- D. At least two circuits from two separate substations, diverse substation power grids and separate paths
Answer: D
NEW QUESTION # 88
What is the clearance required between cabinets and the perimeter wall?
- A. 8 ft
- B. 2 ft
- C. 6 ft
- D. 4 ft
Answer: D
NEW QUESTION # 89
What are the 3 types of Authentication for access control?
- A. Type 6 - What you create
- B. Type 1 - What you have
Type 2 - What you know
Type 3 - What you are - C. Type 5 - What you desire
- D. Type 4 - What you possess
Answer: B
NEW QUESTION # 90
What are the speed and distance limitations of FiCON?
- A. 100 Mbps @ up to 20km
- B. 100 Gbps @ up to 10km
- C. 10 Gbps @ up to 40km
- D. 1 Gbps @ up to 100m
Answer: A
NEW QUESTION # 91
What is the difference between N+1 and 2N redundancy?
- A. N+1 redundancy is more reliable than 2N redundancy
- B. N+1 redundancy means that there is one additional backup component while 2N redundancy means that there are two identical backup components
- C. 2N redundancy is more cost-effective than N+1 redundancy
- D. N+1 redundancy is more flexible and adaptable to changing needs than 2N redundancy
Answer: B
NEW QUESTION # 92
What is the acceptable dew point level in a data center according to TIA-942?
- A. 65 degrees
- B. 80 degrees
- C. 69.8 degrees
- D. 75 degrees
- E. 60 degrees
Answer: C
NEW QUESTION # 93
What is a possible downside to customer-owned maintenance holes?
- A. poor aesthetic appearance around facility exterior
- B. fire risk near data center property
- C. susceptibility to theft or damage by unauthorized personnel
- D. leaks leading to water infiltration into data center
Answer: D
NEW QUESTION # 94
How do you calculate the thermal load of the lighting system inside a data center?
- A. Rated power * .05
- B. IT load * .02
- C. Rated power * .02
- D. IT load * .01
- E. Rated power * .01
Answer: C
NEW QUESTION # 95
What is recommended size ratio of Secure Storage Area?
- A. 15-20% more than Computer Room's Cross Sectional Area
- B. 10% of Computer Room's Net Square Footage
- C. 5% of Computer Room Space
- D. 10% or greater than Available Floor Space
- E. None Of These
Answer: B
NEW QUESTION # 96
what is minimum recommended space for secured storage area?
- A. 100 square feet
B 240 square feet - B. 250 square feet
- C. 280 square feet
- D. None of above
Answer: C
NEW QUESTION # 97
What is the ASHRAE min and max dew point
- A. 42F and 65F
- B. -10°F to +85°F
- C. 40F and 55F
- D. 30F and 59F
Answer: A
NEW QUESTION # 98
What is the formula for reliability of components in parallel?
- A. R = RA1 - RA2
- B. R = RA1 / RA2
- C. R = 1 - ([1-RA1) * (1-RA2)]
- D. R = RA1 + RA2
Answer: C
NEW QUESTION # 99
What is the minimum size conductor from the TMGB to the building main ground bus?
- A. 160mm (300MCM) bare copper
- B. 80mm (150MCM) bare copper
- C. 100mm (200MCM) bare copper
- D. 130mm (250MCM) bare copper
- E. 200mm (400MCM) bare copper
Answer: D
NEW QUESTION # 100
What is the minimum height of a ceiling in a data center or telecommunications room?
- A. twelve feet from finished floot to pay constructionjssgspritesari sek
- B. ten feet from finished foroor to asany oos obstruction, sprinklers, lighting(correct)
- C. Five feet from finished floor to any obstruction, sprinklers, lighting
- D. eight feet from finished floor to any obstruction, sprinklers, lighting
Answer: B
NEW QUESTION # 101
Where should all Storage and Unpacking activities occur?
- A. None of these
- B. Outside Computer room, either in Storage Rooms or Staging Areas located adjacent to Computer Room with Dedicated air Handling
- C. Inside Computer Room
- D. Outside the Building, at a secure location.
- E. Near the Main Entrance of Data Center
Answer: B
NEW QUESTION # 102
What is the minimum access floor to ceiling height recommended?
- A. 9 feet minimum
- B. 8 feet minimum
- C. 11ft minimum
- D. 10 feet minimum
Answer: D
NEW QUESTION # 103
what is the maximum recommended elevation for a data center
- A. 1,000 ft
- B. 5,000 ft
- C. 15,000 ft
- D. 10,000 ft
Answer: D
NEW QUESTION # 104
What is the recommended level of redundancy for a critical power system in a Tier III data center?
- A. 3N
- B. N
- C. 2N+1
- D. N+1
- E. 2N
Answer: D
NEW QUESTION # 105
What is the minimum raised floor height?
- A. 18"
- B. 24"
- C. 12"
- D. 6"
Answer: A
NEW QUESTION # 106
What are three primary considerations in designing the power systems space plan?
- A. Physical security, environmental monitoring, backup power source
- B. Leakage current control, firewall protection & hardening redundancy
- C. Reduce transmission loss, conduit path minimizing & spacing requirement for system
- D. Energy utilization, efficiency of cooling and redundant generators
Answer: C
NEW QUESTION # 107
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