RCDD-002 Questions and Answers

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?

Which service is NOT typical of Grade 1?

The headend has several modulators assigning frequencies for distribution to the CATV network. What distribution device should you use immediately at the headend to distribute the modulator's output signals to CATV system?

Exhibit:

The following diagram represents what type of CATV distribution system?

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

You are renovating telecommunication rooms that support an acute care facility that has 10,000 sq ft floors. The facility will be adding 15,000 sq ft to each of the floors. What is the MINIMUM additional floor space that you will need to expand the TRs to support the new floor space?

The ________ system is an application used for storing and viewing captured digital radiology image files.

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?

One advantage of using preconnectorized jumpers and cables is:

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.

You are designing a four story retail mall and multiple sound systems within it. Which system should you design to support general music programming within common retail areas?

You are designing a paging system for a 588 sq m (6325 sq ft) open office space. Due to architectural features of the ceiling, wall mounted speakers must be used. Following the general rule about wall mounted speaker placement, how many speakers should be installed?

Exhibit:

This diagram illustrates a ______________campus backbone design.

What is the highest typical ambient noise level where audio paging becomes unintelligible?

Firestop ________, in conjunction with steel wedging plates, go in a steel cable tray.

The F rating for a framed wall/stud wall is ________ hour(s).

A ________ eliminates the need to remove or install materials.

In order to maximize its ability to send and receive, an antenna should be ________ to the desired frequency.

What is at the "root" of a DAS (distributive antenna system)?

You are designing a multi-story dwelling and need to place the CTR's. Every floor is not available. What is the alternate spacing for the CTRs?

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

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

All of the following are nominal wavelengths for laser light sources EXCEPT:

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?

Which is NOT true about conformance quality?

What is the MINIMUM ceiling height of a telecommunications room?

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.

A building can have multiple equipment rooms (ERs) for all of the following reasons EXCEPT:

The MINIMUM finished height of access flooring in a general office area is:

In the ceiling zone method of distribution, the usable floor area should be divided into zones each measuring:

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?

A common mode (CM) signal can be converted to a differential mode (DM) signal as a result of a(n):

Between the late 60’s and until 1984, what was the service that was to help architects and engineers better design and implement pathways and spaces in commercial buildings for telephone communications?

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

2 Technician

2.1 Install cabling

2.2 __________

2.3 Activate wireless

You are required by architectural design to place UTP cables in the same space as unshielded power lines. How should you proceed with the placement of your cables?

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)?

You have been asked to provide a N+1 level of power redundancy in the new equipment room (ER) being designed with a Tier-II power supply. What should you do?

You are designing distribution for a seven unit townhouse with in slab conduits. What is the MINIMUM number of 27 mm (1 in) rigid PVC Type 2 or metallic conduit that is required to satisfy distribution to each unit?

What is the worst case acceptance value for attenuation when testing 2000 m (6562 ft) of 50/125 multimode fiber at a wavelength of 1300 nm when the fiber has 2 connector pairs and 3 splices?

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

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:

The ITU-T G.711 standard deals with what aspect of video conferencing?

Geographically speaking, a ______ links two or more distant sites.

MAC addresses are _____________ bits in length.

The MINIMUM separation distance between grounded metal telecommunications pathway and unshielded power lines is:

A telecommunications outlet/connector may be provided using all listed below EXCEPT:

A furniture cluster with 26 requires a MINIMUM of how many multiuser telecommunications outlet assembly (MUTOA)?

Premises optical fiber links should be tested:

You are preparing to test newly installed open office cabling. Within the open office cabling, there are multiple consolidation points (CP) that were installed while waiting for furniture. How do you proceed with permanent link testing?