Question 1

A SONET OC-1 channel can carry 672 voice signals and has a data rate of 51.84 Mbps. A SONET OC-48 channel can carry 32,256 voice channels. What MINIMUM data rate is required for the OC-48 channel?

Options :

A : 155 Mbps

B : 622 Mbps

C : 2.5 Gbps

D : 5 Gbps

E : 10 Gbps

Answer: C

Question 2

If you have a 30 cm (12 in) wide data tray, what does ANSI/TIA 569-B recommend be the maximum pathway fill cross sectional area assuming a MAXIMUM pathway depth of 15 cm (6 in)?

Options :

A : 112.5 sq cm (18 sq in)

B : 150 sq cm (24 sq in)

C : 225 sq cm (36 sq in)

D : 300 sq cm (48 sq in)

E : 450 sq cm (72 sq in)

Answer: C

Question 3

From a 1000 ft (305 m) roll of optical fiber, how many MAXIMUM length centralized optical fiber cabling runs can be made?

Options :

A : 1

B : 2

C : 3

D : 4

E : 5

Answer: C

Question 4

There are three buildings approximately 400 meters apart and the customer wants to use 10 Gig Ethernet. What fiber should be specified for this application?

Options :

A : 8 - 9 micron singlemode

B : 50 micron multimode

C : 50 micron laser optimized multimode

D : 62.5 micron multimode

Answer: A

Question 5

You are given a choice of methods of routing backbone cabling vertically through a building. The one option that you do NOT want to use is:

Options :

A : Open shafts

B : Metallic raceways

C : Slots

D : Sleeves

E : Elevator shafts

Answer: E

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