Ch 21 - Data Centers

Question 1

21–9 telecommunications cabling

What kind of cabling is required. =

Answer 1

Except 62.5 MM, does not belong

Question 2

21–12 guidelines for telecom cabling, cable containment, equipment racks and cabinets

ANSI/TIA-569-B =

Answer 2

Fill as 50% pathway

Question 3

21–13 guidelines for telecom cabling, cable containment, equipment racks, and cabinets

Fiber patch cord pile-up within a pathway =

Answer 3

2in depth

Question 4

21–16 guidelines for telecom cabling, cable containment, equipment racks, and cabinets

TIA-942 =

Answer 4

Data center standardoverhead cable tray 9ft AFF

Question 5

20-17 guidelines for telecom cabling, cable containment, equipment racks, and cabinets

Route the copper cables =

Route power cables =

Answer 5

* Hot aisle

* Cold aisle

Question 6

21–29 redundancy and tiering

N =

2(N+1) redundancy =

Answer 6

* need

* two complete (N+1)

Question 7

21–39 building and access control

Type 1 =

Type 2 =

Type 3 =

Type 4 =

Answer 7

* 1 - Something you know, or passwords

* 2 - something you have, or keys

* 3 - something you are, biometrics

* 4 - something you do