RCDD Chapter 20
RCDD chapter 20
- 1.
In Data center planning what type of telecommunications cabling are required?
- A.
100-ohm twisted-pair cable? (Category 6/class E or higher is recommended.
- B.
Unshielded or shielded copper cable
- C.
Multimode optical fiber (50/125 um 850 nm laser optimized)
Correct Answer(s)
A. 100-ohm twisted-pair cable? (Category 6/class E or higher is recommended.
B. Unshielded or shielded copper cable
C. Multimode optical fiber (50/125 um 850 nm laser optimized) -
- 2.
Review page 20.9
- A.
Yes
- B.
No
Correct Answer
A. Yes -
- 3.
Providing redundant cross-connects areas and pathways that are physically separtated can decrease the reliability of the telecommunications infrastructure.
- A.
True
- B.
False
Correct Answer
B. False -
- 4.
N +1 redundancy =
- A.
Provides two additional units
- B.
System meets base requriements and has no redundancy
- C.
Provides two complete units
- D.
Provides one additional unit
Correct Answer
D. Provides one additional unit -
- 5.
N + 2 redundancy =
- A.
Provides two additional units
- B.
System meets base requriements and has no redundancy
- C.
Provides two complete units
- D.
Provides one additional unit
Correct Answer
A. Provides two additional units -
- 6.
2N redundancy =
- A.
Provides one additional unit
- B.
Provides two complete units
- C.
System meets base requriements and has no redundancy
- D.
Provides two additional units
Correct Answer
B. Provides two complete units -
- 7.
A Tier I data center is susceptible to disruptions from both planned and unplanned activity.
- A.
True
- B.
False
Correct Answer
A. True -
- 8.
Tier IV provides site infrastructure capacity and capability to premit any planned activity without disruption to the critical load. This is know as what?
- A.
Redundant components
- B.
Concurrently maintainable
- C.
Fault tolerant
- D.
Basic
Correct Answer
C. Fault tolerant -
- 9.
Physical threat is the the worst data center threat.
- A.
True
- B.
False
Correct Answer
A. True -
- 10.
For physical secruity of data centers it is generally accepted that there are four primary authentication factors with an additional optional factor. Type 1 =
- A.
Something you know, or passwords and personal identification numbers (PIN)
- B.
Something you have, or keys, cards, and tokens
- C.
Something you, or some physical characteristic (biometrics
- D.
Something you do (optional and less distinct authentication factor)
Correct Answer
A. Something you know, or passwords and personal identification numbers (PIN) -
- 11.
Type 2 =
- A.
Something you do (optional and less distinct authentication factor
- B.
Something you are, or some physical characteristic (biometrics)
- C.
Something you have, or keys, cards, and tokens
- D.
Something you know, or passwords and personal identification numbers (PIN)
Correct Answer
C. Something you have, or keys, cards, and tokens -
- 12.
Type 3 =
- A.
Something you know, or passwords and personal identification numbers (PIN)
- B.
Something you have, or keys, cards, and tokens
- C.
Something you do (optional and less distinct authentication factor
- D.
Something you are, or some physical characteristic (biometrics)
Correct Answer
D. Something you are, or some physical characteristic (biometrics) -
- 13.
Type 4 =
- A.
Something you are, or some physical characteristic (biometrics)
- B.
Something you have, or keys, cards, and tokens
- C.
Something you know, or passwords and personal identification numbers (PIN)
- D.
Something you do (optional and less distinct authentication factor
Correct Answer
D. Something you do (optional and less distinct authentication factor -
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Mar 14, 2022Quiz Edited by
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Mar 15, 2009Quiz Created by
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