A Review Of Precise RCDD Practice Question

NEW QUESTION 1

You have been asked to design a backbone cable connecting two large campus buildings. Your pathways will include using conduits, maintenance holes, and one section of 100 m (328 ft) of direct buried optical fiber cable. Your choice of fiber optic cable type recommendation is a:

• A. Distribution cable
• B. Loose tube cable
• C. Loose tube cable containing a water blocking compound
• D. Distribution cable with an armored coating
• E. Distribution cable with a water blocking compound

Answer: C

NEW QUESTION 2

Most types of firestop putty have ______ properties.

• A. Water based
• B. Cementitious
• C. Intumescent
• D. Silicone based

Answer: C

NEW QUESTION 3

Which of the following is used to create an electronic signal that can be sent to the central nurse call equipment?

• A. Headend module
• B. Initiation device
• C. Notification device
• D. Two tone device

Answer: B

NEW QUESTION 4

Exhibit:

What does this international symbol stands for?

• A. Teletypewriter/text telephone
• B. Public internet station
• C. Public telephone
• D. Public telephone with a shelfette
• E. Public telephone with access to high-speed internet connection

Answer: A

NEW QUESTION 5

An existing ceiling raceway system has 115,000 sq mm (177 sq in) of cross-sectional area available for distribution of cable runs. How many can be served by the existing system?

• A. 115
• B. 160
• C. 177
• D. 189
• E. 195

Answer: C

NEW QUESTION 6

The information technology system (ITS) designer should design conduits entering a building from below grade point to extend ______ above finished floor (AFF).

• A. 51 mm (2 in)
• B. 100 mm (4 in)
• C. 152 mm (6 in)
• D. 203 mm (8 in)
• E. 254 mm (10 in)

Answer: B

NEW QUESTION 7

You must place CAT6 cable above a factory floor with automated welding machines and hammer forges. Of the following, what type of shielding would be most effective?

• A. Multi-layer braid
• B. Foil and braid
• C. Solid metallic conduit
• D. Flex metallic conduit
• E. Sc
• F. 40 PVC conduit

Answer: C

NEW QUESTION 8

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?

• A. 8 - 9 micron singlemode
• B. 50 micron multimode
• C. 50 micron laser optimized multimode
• D. 62.5 micron multimode

Answer: A

NEW QUESTION 9

A building has a floor space of 16.7 m (55 ft) by 45 m (150 ft) with a common core measuring 9.17 m (30 ft) by 13.7 m (45 ft). How many individual can be provided in the usable floor space?

• A. 50
• B. 58
• C. 69
• D. 77
• E. 85

Answer: C

NEW QUESTION 10

Exhibit:

This diagram illustrates a ______ campus backbone design.

• A. Hierarchical star
• B. Ring topology
• C. Bus topology
• D. Inverted star
• E. Collapsed ring

Answer: A

NEW QUESTION 11

For an analog camera, what is the normal frame rate in frames per second?

• A. 18 fps
• B. 22 fps
• C. 27 fps
• D. 30 fps
• E. 33 fps

Answer: D

NEW QUESTION 12

The conversion of an analog speech signal to a pulse code modulation (PCM) digital signal involves all of the following steps EXCEPT:

• A. Low pass filtering
• B. Periodic sampling
• C. Quantizing
• D. Companding
• E. Amplitude modulation

Answer: E

NEW QUESTION 13

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

Answer: A

NEW QUESTION 14

Within a data center, if you have a system which includes one extra unit, in addition to the minimum required to satisfy the base need, and where the failure of this unit will NOT disrupt operations, what level of redundancy would this represent?

• A. N
• B. N+1
• C. N+2
• D. 2N
• E. 2(N+1)

Answer: B

NEW QUESTION 15

You have been asked to project manage a fiber cable backbone installation. In the course of the installation, you notice the fiber cable with a 25 mm (1 in) outside diameter is being installed into a small TR, and the cable is being installed into a tight corner. Based on your knowledge of minimum bend radius requirements for fiber cable, you must ensure that the MINIMUM cable bend radius of ______ is provided when the cable installation is completed.

• A. 254 mm (10 in)
• B. 305 mm (12 in)
• C. 381 mm (15 in)
• D. 457 mm (18 in)
• E. 610 mm (24 in)

Answer: A

NEW QUESTION 16
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