Free BICSI DCDC-003.1 Study Guides Exam Questions and Answer
DCDC-003.1 Exam Dumps, DCDC-003.1 Practice Test Questions
NEW QUESTION # 52
What is the minimum height of a ceiling in a data center or telecommunications room?
- A. ten feet from finished foroor to asany oos obstruction, sprinklers, lighting(correct)
- B. Five feet from finished floor to any obstruction, sprinklers, lighting
- C. twelve feet from finished floot to pay constructionjssgspritesari sek
- D. eight feet from finished floor to any obstruction, sprinklers, lighting
Answer: A
NEW QUESTION # 53
What is the ASHRAE TC 9.9 recommended range for static pressure in a data center?
- A. 0.15-0.2 inches water gauge
- B. 0.05-0.1 inches water gauge
- C. 0.01-0.05 inches water gauge
- D. 0.1-0.15 inches water gauge
Answer: C
NEW QUESTION # 54
What is the formula for reliability of components in parallel?
- A. R = 1 - ([1-RA1) * (1-RA2)]
- B. R = RA1 / RA2
- C. R = RA1 + RA2
- D. R = RA1 - RA2
Answer: A
NEW QUESTION # 55
What is typically considered the demarcation point for electrical utility at a data center?
- A. The switchboard
- B. The transformer
- C. The UPS
- D. The generator
Answer: B
Explanation:
Explanation:
NEW QUESTION # 56
What are the steps involved in a security survey and analysis?
- A. Identify potential vulnerabilities
- B. All of the above
- C. Evaluate environmental factors
- D. Assess security controls and countermeasures
Answer: B
NEW QUESTION # 57
What is the third preference regarding electricity supply?
- A. One Balanced Feeder Coordinated With Upstream Backup Feed
- B. Two Balanced Feeds With Same Voltage Derived From A Single Distribution Station
- C. One Circuit From Single Sub Station Fed Via Additional Path from Alternate Power Grid
- D. At Least Two Circuits From Same Power Grid But Different Substations And Separate Paths
Answer: D
NEW QUESTION # 58
What is the minimum size conductor from the TMGB to the building main ground bus?
- A. 130mm (250MCM) bare copper
- B. 160mm (300MCM) bare copper
- C. 80mm (150MCM) bare copper
- D. 200mm (400MCM) bare copper
- E. 100mm (200MCM) bare copper
Answer: A
NEW QUESTION # 59
What is the minimum access floor to ceiling height recommended?
- A. 11ft minimum
- B. 9 feet minimum
- C. 8 feet minimum
- D. 10 feet minimum
Answer: D
NEW QUESTION # 60
What room should have direct access to the computer room?
- A. Server room
- B. Network Operations Center (NOC)
- C. Break room
- D. Administrative office
Answer: B
NEW QUESTION # 61
What is the formula for reliability?
- A. R = e^T
- B. R = T/e
- C. R = e^-T
- D. R = log(T)
Answer: C
NEW QUESTION # 62
What is an automatic static transfer switch used for?
- A. Switching between multiple utility power sources
- B. Switching between utility and generator power sources
- C. Switching between different generator power sources
- D. Switching between AC and DC power sources
Answer: B
NEW QUESTION # 63
what is the ANSI/TIA-942 recommended operational temperature
- A. 80F to 90F
- B. 60F to 75F
- C. 68F to 77F
- D. -10°C to +45°C
Answer: C
NEW QUESTION # 64
What is the minimum slab floor to ceiling height recommended?
- A. 16feetminimum
- B. 14feetminimum
- C. 15feetminimmum
- D. 12feetminimum
Answer: C
NEW QUESTION # 65
According to TIA-942, what is the low temperature that must be maintained in a data center?
- A. 70 degrees
- B. 65 degrees
- C. 68 degrees
- D. 75 degrees
- E. 60 degrees
Answer: C
NEW QUESTION # 66
How do you calculate the thermal load of the lighting system inside a data center?
- A. Rated power * .02
- B. IT load * .02
- C. Rated power * .05
- D. Rated power * .01
- E. IT load * .01
Answer: A
NEW QUESTION # 67
How do you calculate thermal load in a data center?
- A. IT Thermal Output + Cooling System + Lighting System + PDU System
- B. IT Thermal Output + Cooling System
- C. IT Thermal Output + Lighting System
- D. IT Thermal Output + Cooling System + Lighting System
- E. IT Thermal Output + PDU System
Answer: A
NEW QUESTION # 68
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