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RCDD-002 Exam Dumps - BICSI Registered Communications Distribution Designer - RCDD

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Question # 17

What type of redundancy provides two complete units, modules, paths or systems for every one required for a base system.

A.

N

B.

N+1

C.

N+2

D.

2N

E.

2(N+1)

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Question # 18

Generating multiple message frames containing identical data being transferred to different individual devices is called:

A.

Unicast

B.

Replicating unicast

C.

Multicast

D.

Broadcast

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Question # 19

Data representation including code translations, compressions, and encryptions is performed by what layer of the OSI model?

A.

Layer 2

B.

Layer 3

C.

Layer 4

D.

Layer 5

E.

Layer 6

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Question # 20

All entrance conduits should be equipped with a plastic or nylon line with a MINIMUM test rating of _________ pulling tension.

A.

22.7 kg (50 lbs)

B.

45.4 kg (100 lbs)

C.

68 kg (150 lbs)

D.

90 kg (200 lbs)

E.

113 kg (250 lbs)

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Question # 21

What is the MINIMUM number of outside building terminal pedestals required to serve a single story office, or office warehouse structure that has ten 18.3 m x 24 m (60 ft x 80 ft) units and the total building length is 183 m (600 ft)?

A.

One

B.

Two

C.

Four

D.

Six

E.

Ten

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Question # 22

Most types of firestop putty have ________ properties.

A.

Water based

B.

Cementitious

C.

Intumescent

D.

Silicone based

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Question # 23

Which one of the following is NOT an advantage of direct-buried cable?

A.

Is flexible for future reinforcements or changes

B.

Has a low initial installation cost

C.

Can easily bypass obstructions

D.

Preserves the aesthetic appearance of buildings

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Question # 24

A(n) ________ system is considered a mechanical firestop.

A.

Cementitious

B.

Cable transit

C.

Firestop block

D.

Intumescent sheet

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