Question 1

Wave division multiplexing (WDM) is most similar to:

Accepted Answer

A)  Amplitude modulation 
B)  Frequency modulation 
C)  Time division multiplexing 
D)  Frequency division multiplexing 
E)  Carrier sense multiple access with collision detection (CSMA/C
D)

Question 2

MAC addresses are _____________ bits in length.

Accepted Answer

A)  16 
B)  24 
C)  32 
D)  48 
E)  64

Question 3

Which device uses circulators or diplexer filters to separate and combine the different transmit and receive RF paths?

Accepted Answer

A)  Transceiver 
B)  Bidirectional amplifier 
C)  Unidirectional amplifier 
D)  Repeater

Question 4

The propagation and path loss of radio signals in the target environment can be sampled using:

Accepted Answer

A)  Propagation software 
B)  Radio power meters 
C)  Directional antenna 
D)  Mesh antennas

Question 5

You have been selected to recommend a solution to increase response time and add fault tolerance to a bank of servers. Your budget is limited and the client needs a solution as soon as possible (ASAP). Which of the following options should be considered with the short time frame and limited budget?

Accepted Answer

A)  Link aggregation 
B)  Device clustering 
C)  Backup network switching devices 
D)  Off site mass storage 
E)  Installation of RAID devices

Question 6

Which layer of the OSI model covers physical cable connections?

Accepted Answer

A)  Layer 1 
B)  Layer 3 
C)  Layer 5 
D)  Layer 7

Question 7

As a guide, the MAXIMUM recommended DC current value on any bonded conductor should be less than:

Accepted Answer

A)  250 milliamps 
B)  500 milliamps 
C)  750 milliamps 
D)  1 amp 
E)  1.25 amps

Question 8

Exhibit: The diagram below is a typical configuration for:

Accepted Answer

A)  Work area 3-connector permanent link 
B)  Work area 3-connector channel 
C)  Data center 4-connector channel 
D)  Data center 4-connector permanent link 
E)  Work area 4-connector permanent link

Question 9

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

Accepted Answer

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 10

A conduit run is installed from the ER to a TR. It has two (2) 90 degree bend and a length of 20 m (65 ft). What will be the MINIMUM test rating of the pull cord left in the conduit?

Accepted Answer

A)  20 kg (44 lb) 
B)  40 kg (88 lb) 
C)  60 kg (132 lb) 
D)  90 kg (200 lb) 
E)  100 kg (220 lb)

Question 11

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

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5

Question 12

At the end of the third week of a project, the actual cost of work performed is $7000 USd and the budgeted cost of work performed is $8000 USd. Which of the following is true?

Accepted Answer

A)  The project is under budget. 
B)  The project is budget incorrect. 
C)  The project has been back-end loaded. 
D)  The project is over budget.

Question 13

Which of the following is NOT a type of intrusion detection system sensor?

Accepted Answer

A)  Time-auxiliary 
B)  Capacitance 
C)  Vibration 
D)  Electromechanical 
E)  Thermal

Question 14

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

Accepted Answer

A)  Furniture pathways 
B)  Surface raceways 
C)  Multi channel raceways 
D)  Under carpet cabling 
E)  Raceways integrated within walls

Question 15

The impedance of the equipment grounding conductor can only be accurately measured with an instrument known as a(n):

Accepted Answer

A)  Volt ohm meter 
B)  Power distribution unit 
C)  Exothermic weld connection 
D)  Ground impedance tester 
E)  Amp calculator

Question 16

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:

Accepted Answer

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

Question 17

Which is NOT a type of contract?

Accepted Answer

A)  Contractor submits a fixed price for the SOW 
B)  Contractor is reimbursed for actual costs plus a fee 
C)  Unit price is used because the SOW cannot be determined prior to bid 
D)  Mediation panel assigns a fair price based on work completed

Question 18

Exhibit:  In this future marina layout, assuming that there are fewer than 10 slips being cabled, what would be the pre-cabling guideline to follow for terminal A?

Accepted Answer

A)  Installed one or two pair cables from the boat slips to a distribution terminal on the closest point of land. 
B)  Place distribution cable onto the dock and terminate in a suitable cabinet or enclosure. Install service drop to each boat slip. 
C)  Pre-cable each boat slip during construction. 
D)  For security, each install should be terminated in the patch panel/cross-connect at the dockmaster or marina office.

Question 19

When allocating termination space for CAT 6 and optical fiber cables, it is recommended that additional space of up to ________ percent be considered for the routing of the cables and patch cords.

Accepted Answer

A)  Five 
B)  Ten 
C)  Twenty 
D)  Thirty

Question 20

Optical transmitters are typically one of the following types EXCEPT:

Accepted Answer

A)  Light-emitting diode (LE
D)  
B)  Short wavelength laser compact disc (C
D)  
C)  Vertical cavity surface emitting laser (VCEL) 
D)  Laser diode (L
D)  
E)  Overfilled launch (OFL)

Exam 1: BICSI Registered Communications Distribution Designer - RCDD