RCDD-002 Practice Exam Questions and Answers

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?

You are designing an interactive patient television system (IPTS) that will provide internet, nurse call and LCD television services. From the following, which medium will NOT support these services in a backbone cabling system?

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

What is the expected lumenance value, in watts, of a 200 watt fluorescent lamp after three years?

What is the expected life cycle, in years, of building automation system within a building structure with a life cycle of 40+ years?

Within a commercial office building of 2300 sq m (25000 sq ft), how many building automation system (BAS) devices are required?

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

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

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

Which of the following is a nonmechanical firestop system?

A ________ eliminates the need to remove or install materials.

Cementitious materials are ________ based materials.

The MAXIMUM span length for an aerial entrance, from the last pole to the building, must NOT exceed:

Which one of the following is NOT an advantage of underground conduit?

What is the horizontal separation, in well tamped earth, required between power and direct buried telecommunications facilities sharing the same trench?

When balanced twisted-pair copper cabling, return loss is a measurement of the:

Where backbone cabling exceeds cabling lengths for the same performance or design (for product used in horizontal cabling), there are three fundamental tests which should be considered when testing. They are:

Premises optical fiber links should be tested:

The MINIMUM dimensions of the telecommunications main grounding busbar is ________ and variable in length.

Which of the following is NOT provided by the ac grounding electrode system?

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

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?

Exhibit:

The following diagram represents what type of CATV distribution system?

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

Which service is NOT typical of Grade 1?

You have just finished a design calling for 15 telecommunications outlets. You received word that the owner has increased his requirements by 40%. What size commercial DD (distribution device) is required to accommodate the increase?

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?

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

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?

What is the recommended MINIMUM separation of unshielded twisted-pair (UTP) cables from fluorescent light fixtures?

An isolated ground is used to:

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

Phase difference is the relationship in time between two waveforms of the same:

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

The purpose of QoS on an IP network is for:

Route congestion and message priority are a few of the functions of what layer of the OSI Model?

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

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?

You are designing an audible alarm notification system for an office environment with an ambient noise level of 55 dB

A.  

Which of the following is NOT a design consideration for broadband video distribution?

The RJ-45 is now known as the 8P8C style connector, per the Telecommunications Industry Association (TIA) standard. What does the P and C stand for?

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

Which of the following is NOT a type of connector for optical fiber?

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

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

What is the PERT estimate (in hours) for project design where:

- Optimistic time is 40 hours

- Most likely time is 50 hours

- Pessimistic time is 60 hours

All of the following are true about the post construction phase EXCEPT:

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?

You are reviewing a building backbone design with a vertically aligned telecommunications room (TR). In the spec you note in a footnote with details that the slots at one end of the telecommunications room (TR) must be flush with the floor and the sleeves provide at the end of the telecommunications room (TR) must also be flush. In your meeting with the electrical engineering firm that has provided the spec, you make the comment that according to best practices, the MINIMUM that slots and sleeves must extend above the finished floor are:

The decision regarding the number of optical fibers to install (fiber strand count) in a backbone depends largely on all of the following EXCEPT:

You are given a choice of methods of routing backbone cabling vertically through a building. The one option that you do NOT want to use is:

Using the sound pressure level (SPL) method of approximating distance and power, calculate the power required to produce 89 dB at 4 m (13.1 ft) with a loud speaker that is rated at a SPL of 95 d

B.  

What are the three typical voltages used in centrally amplified paging systems?

A properly designed distributed paging system will provide a sound pressure level (SPL) for audio paging that is between ________ above ambient noise level.