RCDD Chapter 20

1. Review page 20.9

Yes

No

2. 2N redundancy =

Provides one additional unit

Provides two complete units

System meets base requriements and has no redundancy

Provides two additional units

3. A Tier I data center is susceptible to disruptions from both planned and unplanned activity.

True

False

4. N +1 redundancy =

Provides two additional units

System meets base requriements and has no redundancy

Provides two complete units

Provides one additional unit

5. N + 2 redundancy =

Provides two additional units

System meets base requriements and has no redundancy

Provides two complete units

Provides one additional unit

6. Physical threat is the the worst data center threat.

True

False

7. In Data center planning what type of telecommunications cabling are required?

100-ohm twisted-pair cable? (Category 6/class E or higher is recommended.

Unshielded or shielded copper cable

Multimode optical fiber (50/125 um 850 nm laser optimized)

Submit

8. Type 4 =

Something you are, or some physical characteristic (biometrics)

Something you have, or keys, cards, and tokens

Something you know, or passwords and personal identification numbers (PIN)

Something you do (optional and less distinct authentication factor

9. Type 2 =

Something you do (optional and less distinct authentication factor

Something you are, or some physical characteristic (biometrics)

Something you have, or keys, cards, and tokens

Something you know, or passwords and personal identification numbers (PIN)

10. Providing redundant cross-connects areas and pathways that are physically separtated can decrease the reliability of the telecommunications infrastructure.

True

False

11. Tier IV provides site infrastructure capacity and capability to premit any planned activity without disruption to the critical load. This is know as what?

Redundant components

Concurrently maintainable

Fault tolerant

Basic

12. Type 3 =

Something you know, or passwords and personal identification numbers (PIN)

Something you have, or keys, cards, and tokens

Something you do (optional and less distinct authentication factor

Something you are, or some physical characteristic (biometrics)

13. For physical secruity of data centers it is generally accepted that there are four primary authentication factors with an additional optional factor. Type 1 =

Something you know, or passwords and personal identification numbers (PIN)

Something you have, or keys, cards, and tokens

Something you, or some physical characteristic (biometrics

Something you do (optional and less distinct authentication factor)