Question 1

The RECOMMENDED balanced twisted-pair cable for building backbone cabling consists of ________ round solid copper conductors with a nominal characteristic of 100 ohm.

Accepted Answer

The answer of The RECOMMENDED balanced twisted-pair cable for building...

Question 2

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?

Accepted Answer

The answer of You are recommending to an architect the...

Question 3

A building has a floor space of 16.7 m (55 ft) by 45 m (150 ft) with a common core measuring 9.17 m (30 ft) by 13.7 m (45 ft). How many individual can be provided in the usable floor space?

Accepted Answer

First, we need to calculate the total usable floor space by subtracting the area of the common core from the total area:

Total area = (16.7 m x 45 m) = 751.5 m^2
Common core area = (9.17 m x 13.7 m) = 125.56 m^2
Usable floor space = Total area - Common core area = 625.94 m^2

We can assume that each person will require about 4 m^2 of floor space (which is a common standard for office/workplace designs), so we divide the total usable floor space by 4:

Number of people = Usable floor space / 4 = 625.94 m^2 / 4 m^2 = 156.48

However, we can only have whole people, so we round down to get the final answer:

Number of people = 156

The closest answer choice is C (69), so that is the correct answer.

Question 4

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

Accepted Answer

The minimum recommended lighting requirement in a telecommunications room at the point of cable terminations is 500 lux to ensure adequate visibility for technicians working with cables and equipment.

Question 5

In the customer's environment, an ITS designer should avoid the need for optical fiber field splicing by:

Accepted Answer

The answer of In the customer's environment, an ITS designer...

Question 6

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?

Accepted Answer

The number and location of the telecommunications rooms and the required services are necessary to determine the size and location of the telecommunications rooms. Once these are determined, then other factors can be considered such as power, HVAC, electrical, security requirements, future growth, and equipment to be installed in the room.

Question 7

At a minimum, convenience receptacles in an ER or TR are to be located ________ AFF.

Accepted Answer

Convenience receptacles in an ER or TR are to be located at least 150 mm (6 in) from the floor.

Question 8

On a survey of one of your client's buildings, you discover that one of the TRs, housing a considerable quantity of switching equipment, is at 25 degrees C (77 degrees F) with a relative humidity of 59 percent. This is considered to be:

Accepted Answer

Normal temperature and high humidity

Question 9

What is the MINIMUM ceiling height of a telecommunications room?

Accepted Answer

The minimum ceiling height of a telecommunications room is 2.4 m (8.0 ft) according to industry standards such as TIA-569-C. Any lower ceiling height may not provide adequate space for vertical pathways, cable management, and proper ventilation.

Question 10

The recommended ratio of patch panels to horizontal cable management panels is ________ RU of patch panel to ________ rack unit (RU) of horizontal cable management panel.

Accepted Answer

The recommended ratio is one RU of patch panel to one RU of horizontal cable management panel to ensure proper cable management and organization.

Question 11

The recommended MINIMUM number of conduits connecting two located on the same floor is:

Accepted Answer

The answer of The recommended MINIMUM number of conduits connecting...

Question 12

A campus backbone design linking two buildings requires that you install a high-fiber-count cable very quickly, using the conduit system provided. Cost is not so much an issue as urgency is to meet a service demand. Your first choice of fiber cable installation is to use:

Accepted Answer

Preconnectorized assemblies allow for faster installation as they eliminate the need for field connectorization, which is time-consuming.

Question 13

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

It is recommended to allocate an additional 20 percent space for routing CAT 6 and optical fiber cables to accommodate future growth and ensure ease of maintenance and management.

Question 14

One advantage of using preconnectorized jumpers and cables is:

Accepted Answer

Preconnectorized jumpers and cables come with factory-certified quality of terminations, which provides a higher degree of reliability.

Question 15

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?

Accepted Answer

The telecommunications room should be located away from areas with high electromagnetic interference and temperature fluctuations, such as kitchens and welding shops, to ensure optimal performance and safety.

Question 16

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:

Accepted Answer

A double door with a removable center post allows for easier access to move large equipment in and out of the room, which is essential for a room containing many racks, data cabinets, and a large UPS system.

Question 17

In a telecommunications room (TR), the MINIMUM bottom edge height recommendation for mounting plywood on the wall is ________ above AFF.

Accepted Answer

The answer of In a telecommunications room (TR), the MINIMUM...

Question 18

You are placing two 423 mm (19 in) relay racks with a 152 mm (6 in) vertical management panel on each end and a 12 in vertical cable management panel between the racks. The rack lineup begins against a wall in the room. What is the MINIMUM room size required?

Accepted Answer

To calculate the minimum room size required, we need to take into account the width of the relay racks, the width of the vertical management panels, and the space requirement between the racks for cable management.

Each relay rack is 19 inches wide, which is approximately 483 mm. With a 152 mm vertical management panel on each end, the total width of each rack with panels is approximately 787 mm (483 mm + 152 mm + 152 mm). The two relay racks together will require a minimum width of 1574 mm (2 x 787 mm).

The 12 inch vertical cable management panel between the racks is approximately 305 mm wide. Therefore, the total minimum width required for the relay racks and cable management panel is 1879 mm (1574 mm + 305 mm).

To ensure adequate working space around the racks, a minimum of 914 mm (36 inches) of clearance is recommended. Therefore, the minimum room width required is 2794 mm (1879 mm + 914 mm).

Assuming the racks are placed against a wall, the minimum room depth required would be the depth of the racks plus the recommended clearance. The depth of the racks will depend on the specific model, but a depth of at least 800 mm (31.5 inches) is common.

Therefore, the minimum room size required is 2.4 m (8 ft) x 3.0 m (10 ft).

Question 19

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

Accepted Answer

EMT (Electrical Metallic Tubing) commonly uses set screw couplings and connectors for joining sections and securing the conduit to boxes and enclosures.

Question 20

"A single outlet utilizing a dedicated phase, neutral, and ground conductor" is the definition for which of the following?

Accepted Answer

A dedicated branch circuit is a circuit used for a single appliance, often with its own circuit breaker, and it requires a dedicated phase, neutral, and ground conductor. Feeder circuits are used to distribute power from a main source to subpanels or other circuits. Ground fault receptacles are specific types of receptacles that provide protection against electrical shock in certain areas and applications. "Daisy-chained" series of receptacles refers to multiple receptacles connected in a sequence on a single circuit.

Exam 1: BICSI Registered Communications Distribution Designer - RCDD