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BICSI RCDD-002 BICSI Registered Communications Distribution Designer - RCDD Exam Practice Test

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Total 361 questions

BICSI Registered Communications Distribution Designer - RCDD Questions and Answers

Question 1

You are designing a strobe visual notification system for a fire alarm system. You have a hallway that is 4.6 m (15 ft) wide and 100 m (328 ft) long. How many strobes should be placed in the hallway?

Options:

A.

One

B.

Two

C.

Three

D.

Four

E.

Five

Question 2

The three electronic security system (ESS) concepts the consultant needs to understand when creating an ESS system are threats, countermeasures, and:

Options:

A.

Risks

B.

Mitigation techniques

C.

Asset control

D.

Integration

E.

Intrusion detection

Question 3

In (ESS) design, employees, reputation, and materials are all examples of:

Options:

A.

Assets

B.

Risks

C.

Threats

D.

Countermeasures

E.

Systems

Question 4

Which of the following is NOT a source of electromagnetic interference (EMI)?

Options:

A.

Copiers

B.

Transformers

C.

Incandescent lights

D.

Fluorescent lights

E.

Electrical power supply cable

Question 5

You are placing Category 6 unshielded twisted-pair (UTP) in cable tray down a hallway past the elevator mechanical room. What action should you take to avoid effects of electromagnetic interference (EMI)?

Options:

A.

Provide a minimum separation of 1194 mm (47 in)

B.

Provide a minimum separation of 2060 mm (81 in)

C.

Require the architect to install metallic foil shielding on the mechanical room walls

D.

Provide RMC/IMC (rigid metallic conduit/intermediate metal conduit) through all areas within 4.6 m (15 ft) of the mechanical room

Question 6

During a site survey you notice that several CRT displays in the vicinity of the engineering copy center have sporadic visual distortion. What is the MOST likely cause?

Options:

A.

Electromagnetic interference (EMI)

B.

Radio frequency interference (RFI)

C.

(EMC)

D.

Fast transients

E.

Electromagnetic discharge (ESD)

Question 7

Which of the following is NOT considered acceptable in an information technology system (ITS) conduit design and installation?

Options:

A.

Contains no continuous sections longer than 30 m (100 ft)

B.

Bonded to ground on one or both ends in accordance with national or local code requirements

C.

Will withstand the environment to which they were exposed

D.

Uses flexible conduit to access wall outlets

E.

Avoid routing conduit over or adjacent to heat sources

Question 8

Cables are installed in a ceiling in a straight line. The ceiling run is 60 m (200 ft) in length. What is the MINIMUM number of J-hooks required to support the cables?

Options:

A.

20

B.

30

C.

40

D.

50

E.

60

Question 9

Using the "pathway design" for horizontal cable distribution, how many cable runs are placed to serve 15 individual?

Options:

A.

15

B.

30

C.

45

D.

60

Question 10

When specifying telecommunications outlet boxes, all of the following should be considered EXCEPT:

Options:

A.

Outlet box shall be a minimum of 100 mm (4 in) x 100 mm (4 in) x 76 mm (3 in)

B.

Outlet boxes should be installed near an electric outlet at the same height

C.

Different outlet boxes have different support requirements

D.

Floor mounted telecom outlet boxes should be coordinated with furniture to minimize the potential trip hazard

E.

Outlet boxes must be of adequate size so that minimum cable bend radius requirements are not exceeded

Question 11

When installing outlet boxes in ten private offices in an area which may prove to be difficult to install future additional telecommunications outlets, the MINIMUM quantity of outlet boxes that should be installed is:

Options:

A.

10

B.

20

C.

30

D.

Based on the type of cabling specified

Question 12

Which of the following is NOT an example of a perimeter pathway?

Options:

A.

Furniture pathways

B.

Surface raceways

C.

Multi channel raceways

D.

Under carpet cabling

E.

Raceways integrated within walls

Question 13

The headend has several audio-video playback devices within it. What piece of equipment is required to assign their output signals to specific RF carriers on the CATV system?

Options:

A.

Modulator

B.

Combiner

C.

Splitter

D.

Multiport tap

Question 14

What is the appropriate impedance of coaxial cable for use with broadband distribution?

Options:

A.

50

B.

75

C.

100

D.

150

Question 15

Exhibit:

Question # 15

The following diagram indicates what type of CATV distribution system?

Options:

A.

Trunk and tap

B.

Video over balanced twisted-pair

C.

Video over optical fiber

D.

Home run

Question 16

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

Options:

A.

Headend module

B.

Initiation device

C.

Notification device

D.

Two tone device

Question 17

You are designing a nurse call system for a health care facility. The system will have emergency call switches. What is the first step you should take in designing the nurse call system?

Options:

A.

Properly size the supporting TR to accommodate the headend system

B.

Program the headend device for the various call switches that will be used

C.

Perform a risk assessment to determine call switch locations

D.

Perform a site survey to verify the pathways that will connect the headend device with the call switches

Question 18

You are designing a nurse call system for an assisted care facility. What type of nurse call system would best suit the needs for the facility?

Options:

A.

Audiovisual system

B.

Staff emergency system

C.

Tone/Visual system

D.

Bedside system

Question 19

In reviewing your client's network needs for today and 5 years into the future, you note their current specs call for a 1Gb/s network within a campus environment, with little or no possibility of any increased bandwidth demands until they move to their planned future site. The building is not large, and the cable lengths will not exceed 550 m (1804 ft). Your recommendation for the fiber to be installed in the backbone is:

Options:

A.

OM1 fiber

B.

OM2 fiber

C.

OM3 fiber

D.

OM1, OM2, or OM3 will work

E.

OS1 equipped with attenuators

Question 20

When designing a campus distribution system involving small buildings with only one horizontal cross-connect (HC) [Floor distributor (FD)] per building, you can eliminate the need for a(n):

Options:

A.

Intermediate cross-connect (IC) Building distributor (BD)

B.

Main cross-connect (MC) Campus distributor (CD)

C.

Horizontal cross-connect (HC) Floor distributor (FD)

D.

Entrance facility (EF)

E.

Latching connector (LC)

Question 21

A backbone star topology shall have no more than______ level(s) of cross-connections.

Options:

A.

One

B.

Two

C.

Three

D.

Four

E.

Five

Question 22

Color codes for cross-connection fields have been used for many years. Which color is used to identify network connections?

Options:

A.

Green

B.

Orange

C.

Purple

D.

Yellow

E.

Brown

Question 23

Class ________ administration provides for the telecommunications infrastructure administration needs of a single building, or of a tenant served by a single or multiple. It also includes administration for backbone cabling, systems, and.

Options:

A.

1

B.

2

C.

3

D.

4

Question 24

If a telecommunications grounding busbar is installed in the telecommunications room (TR) with the identifier of 310, located on the third floor, then the telecommunications grounding busbar should be labeled as:

Options:

A.

TGB-310

B.

TGB

C.

TGB in TR 310

D.

TGB in room 310

E.

No need to identify as there is only one per TR

Question 25

For the telecommunications industry, the nominal operating voltage is ________ volts DC.

Options:

A.

+ 24

B.

– 24

C.

+ 48

D.

– 48

Question 26

Which of the following electrical devices is used to convert AC to DC?

Options:

A.

Inverter

B.

Rectifier

C.

Transformer

D.

Line filter

Question 27

A rapid increase in voltage with a duration of half a cycle best describes a(n):

Options:

A.

Swell

B.

Overvoltage

C.

Transient

D.

Frequency variation

Question 28

You are designing a cabling system for a chemical plant. What type of device is needed to prevent the spread of fire along the cable other than the barrier penetrations?

Options:

A.

Fire break

B.

Fire shield

C.

Fire stop

D.

Fire wall

Question 29

Cementitious materials are ________ based materials.

Options:

A.

Dry powder

B.

Latex

C.

Solvent

D.

Sand

Question 30

Which of the following is a nonmechanical firestop system?

Options:

A.

Cable transit system

B.

Firestop blocks

C.

Fire rated pathway device

D.

Factory fabricated sleeve system

Question 31

You are designing a 4.9 GHz microwave system that is using rectangular waveguide from the transceiver to the inside wall of the shelter and an antenna using elliptical waveguide from the antenna to the outside wall of the shelter. The antenna has been designed to be placed 200 ft up on a 250 ft tower. What device will you specify that will best interconnect the two different waveguides?

Options:

A.

Elliptical wave guide pass through

B.

Elliptical wave guide clamp

C.

Elliptical waveguide connector

D.

Elliptical waveguide flange

Question 32

You are designing a 4.9 GHz microwave system that is using rectangular waveguide from the transceiver to the inside wall of the shelter and an antenna that is to be placed 200 ft up on a 250 ft tower. What type of medium will be best suited to connect the antenna to the transceiver?

Options:

A.

Circular wave guide

B.

Elliptical wave guide

C.

Hard line coaxial

D.

Rectangular wave guide

Question 33

Which of the following is NOT a primary method of transporting radio signals in an active DAS?

Options:

A.

Analog modulation of the RF signal

B.

Down conversion of the RF signal

C.

Up conversion of the RF signal

D.

Digital sampling of the RF signal

Question 34

What is the MINIMUM cover for underground conduit?

Options:

A.

152 mm (6 in)

B.

305 mm (12 in)

C.

457 mm (18 in)

D.

610 mm (24 in)

E.

762 mm (30 in)

Question 35

Vertical conduit masts (with approved service heads) are limited to drop-wire attachments of up to ________ lines.

Options:

A.

4

B.

6

C.

12

D.

25

Question 36

You are placing an entrance cable between two buildings connected by a conduit 205.3 m (588 ft) in length. What would be the MAXIMUM length of unlisted OSP cable that could be used before you terminate the cable or transition it to a listed cable?

Options:

A.

185 m (607 ft)

B.

200 m (656 ft)

C.

209 m (686 ft)

D.

213 m (700 ft)

E.

216 m (708 ft)

Question 37

Certain systems must exist relative to bonding and grounding at every site. Which of the following is NOT one such system?

Options:

A.

AC grounding electrode system (e.g., in some countries it may also be known as the earthing system)

B.

Telecommunications bonding infrastructure

C.

Lightning protection system

D.

Equipment grounding system (e.g., in some countries it may also be known as the equipment bonding system)

Question 38

The recommended MAXIMUM value for the bonding resistance between the nearest available grounding electrode and the busbar in an entrance facility (EF) is ________ ohms.

Options:

A.

0.1

B.

0.5

C.

1

D.

2

E.

5

Question 39

Surge currents due to lightning and other sources MUST be ________ before they penetrate the infrastructure.

Options:

A.

Shorted

B.

Maximized

C.

Terminated

D.

Equalized

Question 40

What is the frequency rating of an International Organization for Standardization/International Electrotechnical Commission (ISO/IEC) Category 7/Class F cable?

Options:

A.

100 MHz

B.

250 MHz

C.

500 MHz

D.

600 MHz

E.

1000 MHz

Question 41

The ability of a conductors insulation to transmit an electric field is called:

Options:

A.

Conductivity

B.

Transmitability

C.

Permittivity

D.

Capacitance

E.

Reactance

Question 42

What is the testing frequency of a Category 6/Class E cable?

Options:

A.

100 MHz

B.

200 MHz

C.

250 MHz

D.

500 MHz

E.

600 MHz

Question 43

Exhibit:

Question # 43

If a work breakdown structure (WBS) shows the tasks below, what is C, the successor task?

A) Install OSP pathways

B) Install fiber

C) ________.

Options:

A.

Hold inspection

B.

Create budget

C.

Conduct safety meeting

D.

Perform site survey

Question 44

Which of the following does NOT describe one of the four main types of specifications?

Options:

A.

Based on an established standard

B.

Focused on exact properties and installation methods

C.

Calling out brand names and models

D.

Focusing on the desired results

E.

Listing maximum acceptable performance

Question 45

Select the appropriate task to complete the section 2.2 of the work breakdown structure below:

2. Technician

2.1 Install rack

2.2 _________

2.3 Place fiber

2.4 Terminate fiber

2.5 Test fiber

Options:

A.

Prepare as-built drawings

B.

Install connector housing

C.

Clean/polish connectors

D.

Specify fiber

Question 46

The MINIMUM recommended lighting requirement in a telecommunications room (TR) at the point of cable terminations is:

Options:

A.

150 lux

B.

300 lux

C.

500 lux

D.

750 lux

E.

1000 lux

Question 47

You are starting work on a new high school. The architect has provided you with a telecommunications room located between the kitchen cold store room and the automotive and welding shops. What should you do?

Options:

A.

Work with the architect to find another location

B.

Insist that the welding shop be placed as far from the telecommunications space as possible

C.

File a complaint with the client

D.

Provide shielded cable tray in the telecommunications room and in the outer halls

E.

Request that shielding be placed around the compressors and the arc welding units

Question 48

You are recommending to an architect the location within a telecommunications room for the placement of floor sleeves connecting to the telecommunications room directly below. Where should the sleeves be placed within the room?

Options:

A.

On the left side of the room at the base of the wall

B.

On the right side of the room at the base of the wall

C.

Centered along the base of the wall

D.

Near the entrance to the room

E.

Conduit should be extended from the sleeves to 2.4 m (8 ft) AFF

Question 49

In an office area, a consultant needs to add the location of a fax machine to the plan. What is the approximated floor area that a fax machine occupies?

Options:

A.

0.2 sq m (2 sq ft)

B.

0.5 sq m (5 sq ft)

C.

1 sq m (10 sq ft)

D.

1.5 sq m (16 sq ft)

E.

2 sq m (20 sq ft)

Question 50

What is the MINIMUM clearance needed between the front of the telephone booth and any wall or fixture for most installations?

Options:

A.

300 mm (12 in)

B.

450 mm (18 in)

C.

610 mm (24 in)

D.

914 mm (36 in)

E.

2.4 m (8 ft)

Question 51

Exhibit:

Question # 51

A pay telephone using coins needs to be installed in a public area. In the specifications, it is required that the telephone shall meet the ADA (Americans with Disability Act) requirement for side reach using a wheelchair. What will be the maximum reachable height or the value of "X"?

Options:

A.

760 mm (30 in)

B.

864 mm (34 in)

C.

1170 mm (46 in)

D.

1220 mm (48 in)

E.

1370 mm (54 in)

Question 52

You must place a cable between 2 equipment locations with separate grounds having a potential difference between them of 2.1 V rms. Which one of the following cables should NOT be used?

Options:

A.

Multimode

B.

Singlemode

C.

UTP

D.

STP

Question 53

A video camera has a coaxial cable output. The video signal is to be distributed to devices that have balanced twisted pair inputs. The transition between these two different transmission media can be accomplished by using a:

Options:

A.

Balun

B.

Converter

C.

Modulator

D.

Cross connect

E.

Transceiver

Question 54

Which is an advantage of stranded conductors over solid conductors?

Options:

A.

Less costly

B.

Simpler terminations

C.

Better high frequency performance

D.

More flexible

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Total 361 questions