RCDD-002 Exam Dumps - BICSI Registered Communications Distribution Designer - RCDD

You have just assumed management responsibility over an older network consisting of passive hubs and some layer 2 switches. The network is experiencing massive slow downs on an irregular basis. Which of the following is the MOST effective immediate solution to the problem?

Which device supplies the radio signal into a DAS (distributive antenna system)?

When considering the DAS, which component acts as a bidirectional antenna?

You have been asked to design a public safety microwave radio system for the city of Fairbanks, Alaska. The requirement for reliability, maximum throughput, and minimum interference by fog, rain, or heavy snow is critical. Which frequency will best suit the system's needs?

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?

The distance a CCTV signal may be run is determined by the strength of the signal at the source, required signal strength at the receiver, and:

The average power consumption in a telecommunications room (TR) is 2260 watts per hour. What is the heat dissipation in BTUs?

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

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

You have been asked what the estimated power cost will be per month (30 days) for the new equipment room you are designing. The power load you have calculated to be an average of 1850 watts per hour. What is the monthly cost assuming the cost of electricity is 7.5 cents (U.S.) per kilowatt hour?

You are designing a restaurant located within a retail mall. The ambient noise level of the restaurant is 70 dB. The ambient noise level of the mall common space is 75 dB. What is the MINIMUM sound pressure level (SPL) that should be used when designing the paging system within the restaurant?

For design purposes, loudspeakers are rated for a measured sound pressure level (SPL) at:

What is the recommended distance between ceiling mounted speakers in a hallway with heavy traffic?

What type of redundancy provides two complete units, modules, paths or systems for every one required for a base system.

Generating multiple message frames containing identical data being transferred to different individual devices is called:

Data representation including code translations, compressions, and encryptions is performed by what layer of the OSI model?

All entrance conduits should be equipped with a plastic or nylon line with a MINIMUM test rating of _________ pulling tension.

What is the MINIMUM number of outside building terminal pedestals required to serve a single story office, or office warehouse structure that has ten 18.3 m x 24 m (60 ft x 80 ft) units and the total building length is 183 m (600 ft)?

Most types of firestop putty have ________ properties.

Which one of the following is NOT an advantage of direct-buried cable?

A(n) ________ system is considered a mechanical firestop.

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

A ________ eliminates the need to remove or install materials.

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

What type of fiber optic cable is manufactured to protect individual glass strands and is primarily designed for use inside buildings?

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?

What is the MINIMUM distance from the edge of a pool or other water hazards for a weatherproof enclosure?

What is the air change requirement for a tunnel of 610 m (2000 ft) long with a diameter of 3.4 m (11 ft)?

Which of the following is an undesirable electromagnetic effect on a device(s)?

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

You have discovered a common mode current on the metallic cable sheaths of your building riser cables. What is the MOST likely cause for you to investigate?

You are working on the design of a new, large ER/TR that will contain many racks and data cabinets including a large UPS system. Your recommendation to the architect for room access from inside the building is:

Which of the following types of conduit uses set screw couplings and connectors?

You have been selected to do the telecommunications design on a new, single story building. The architect requires the size and location of the telecommunications rooms so their building design can proceed. From the items listed below (all of which are required for the design), which one is the logical starting point in order to provide the architect with a size and location for the room?

You are designing a cabling containment system installed overhead in a new data center. The main or prime purpose of the system will be to manage fiber optic cabling between cabinets. You have a choice of designs of the containment system. In view of the prime purpose of containment system, your first choice of design will be one that:

You have been asked to spec the physical security requirements related to the protection of assets for a new data center. The most common potential for damage categories you have considered include temperature, gases, organisms and projectiles. The one category that you have missed is:

Which of the following is NOT an element of a cable system?

A building has six floors plus a basement. Each floor is 929 sq m (10,000 sq ft) and has approximately 50 CATV outlets respectively. There is a single hardline trunk cable installed from the basement headend passing through the telecommunications room (TR) on each floor. In order to maintain the LEAST signal loss passing through each telecommunications room (TR) to the next telecommunications room (TR), what device should you specify for use within each telecommunications room (TR)?

A building has six floors plus a basement. Each floor is 10,000 square feet and has approximately 50 CATV outlets respectively. There is a single hardline trunk cable installed from the basement headend passing through a directional coupler in each floor's telecommunications room (TR). Which leg of the coupler will have the LEAST signal loss?

Premises optical fiber links should be tested:

You have been asked to test and troubleshoot an installed base of cabling that is believed to be causing network problems. You are finding that there are high levels of return loss upon initial testing. What testing will best determine the reasons for these failures?

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:

Exhibit:

This diagram illustrates a ______________campus backbone design.

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:

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 system requiring the transmission of data. Your system must perform higher than ________ kHz in order to do so.

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?

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?

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

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

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