Topic 7, Telecommunications Spaces

Question 1

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

A. 150 lux
B. 300 lux
C. 500 lux
D. 750 lux
E. 1000 lux

Answer 1

C. 500 lux

Question 2

In addition to voice and data services, an equipment room (ER) can be designed to include all of the following EXCEPT:

A. CATV and CCTV facilities
B. Life safety facilities
C. Building electrical service monitoring and controls
D. Audio and paging equipment
E. General premise monitoring and security systems

Answer 2

C. Building electrical service monitoring and controls

Question 3

If the usable floor space is unknown, then deduct ________ percent of the total area available to estimate the usable area.

A. Five
B. Ten
C. Fifteen
D. Twenty
E. Twenty five

Answer 3

D. Twenty

Question 4

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?

A. 1.83 m (6 ft) x 2.4 m (8 ft)
B. 2.1 m (7 ft) x 2.4 m (8 ft)
C. 2.4 m (8 ft) x 2.4 m (8 ft)
D. 2.4 m (8 ft) x 3.0 m (10 ft)
E. 3.0 m (10 ft) x 3.0 m (10 ft)

Answer 4

D. 2.4 m (8 ft) x 3.0 m (10 ft)

Question 5

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?

A. 50
B. 58
C. 69
D. 77
E. 85

Answer 5

C. 69

Question 6

You have determined that the equipment room (ER) you are designing will be the minimum size of 15 sq m (160 sq ft) and is servicing 80 but architectural changes will add 175 , which will require you to add a horizontal cross-connect (HC). What size should the equipment room (ER) be?

A. 18 sq m (193 sq ft)
B. 23 sq m (250 sq ft)
C. 31 sq m (330 sq ft)
D. 37 sq m (400 sq ft)
E. 47 sq m (500 sq ft)

Answer 6

A. 18 sq m (193 sq ft)

Question 7

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?

A. On the left side of the room at the base of the wall
B. On the right side of the room at the base of the wall
C. Centered along the base of the wall
D. Near the entrance to the room
E. Conduit should be extended from the sleeves to 2.4 m (8 ft) AFF

Answer 7

A. On the left side of the room at the base of the wall

Question 8

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

A. 150 mm (6 in)
B. 300 mm (12 in)
C. 375 mm (15 in)
D. 450 mm (18 in)

Answer 8

A. 150 mm (6 in)

Question 9

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

A. One; 75 mm (trade size 3)
B. Two; 75 mm (trade size 3)
C. One; 100 mm (trade size 4)
D. Two; 100 mm (trade size 4)

Answer 9

A. One; 75 mm (trade size 3)

Question 10

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?

A. Determine where the entrance facility will be
B. Determine the number of , their locations, and telecommunications services needed
C. Determine the power, HVAC, electrical, and security requirements for the room
D. Determine future growth and other requirements
E. Determine the types of equipment to be installed in the room

Answer 10

B. Determine the number of , their locations, and telecommunications services needed

Question 11

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

A. Feeder circuit
B. Ground fault receptacle
C. Dedicated branch circuit
D. “Daisy-chained” series of receptacles

Answer 11

C. Dedicated branch circuit

Question 12

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

A. 51 mm (2 in)
B. 152 mm (6 in)
C. 200 mm (8 in)
D. 305 mm (12 in)
E. 410 mm (16 in)

Answer 12

C. 200 mm (8 in)

Question 13

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.

A. One; one
B. One; two
C. Two; one
D. Two; three

Answer 13

A. One; one

Question 14

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:

A. Within the normal range of temperature and humidity
B. High temperature and normal humidity
C. Normal temperature and high humidity
D. High temperature and high humidity

Answer 14

C. Normal temperature and high humidity

Question 15

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. Five
B. Ten
C. Twenty
D. Thirty

Answer 15

C. Twenty

Question 16

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?

A. Work with the architect to find another location
B. Insist that the welding shop be placed as far from the telecommunications space as possible
C. File a complaint with the client
D. Provide shielded cable tray in the telecommunications room and in the outer halls
E. Request that shielding be placed around the compressors and the arc welding units

Answer 16

A. Work with the architect to find another location

Question 17

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:

A. Two 0.9 m (3 ft) solid doors
B. One 1.5 m (5 ft) metallic roll top door
C. One 1.2 m (4 ft) solid core, steel sheath door
D. One 1.83 m (6 ft) solid core dual direction sliding door with removable sides
E. One double door with a removable center post

Answer 17

E. One double door with a removable center post

Question 18

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

A. RMC
B. EMT
C. IMC
D. Schedule 80 PVC

Answer 18

B. EMT

Question 19

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

A. To provide redundancy
B. For separate tenants
C. To house different types of equipment
D. To serve multiple Access point (APs) and/or Service provider (SPs)
E. To accommodate office and work space

Answer 19

E. To accommodate office and work space

Question 20

In a telecommunication room (TR), the ________ is the facility used to make cross connections from the backbone cable to the horizontal cable.

A. Horizontal cross-connect (HC)
B. Entrance facility (EF)
C. Intermediate cross-connect (IC)
D. Main cross-connect (MC)

Answer 20

A. Horizontal cross-connect (HC)

Question 21

What is the MINIMUM ceiling height of a telecommunications room?
A. 2.1 m (7.0 ft)
B. 2.3 m (7.5 ft)
C. 2.4 m (8.0 ft)
D. 2.6 m (8.5 ft)
E. 2.7 m (9.0 ft)

Answer 21

C. 2.4 m (8.0 ft)