Telecomms rooms and enclosures
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Telecomms rooms and enclosures. 20 questions.

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Telecomms rooms and enclosures

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Telecomms rooms and enclosures

20 questions


1Telecommunications rooms differ from equipment rooms and entrance facilities in that they are generally considered to be floor serving facilities that provide a connection point between backbone and horizontal distribution pathways. A telecommunications room provides an environmentally suitable and secure area for which of the following elements?

a)Cables

b)Cross-connects

c)Telecommunications equipment

d)Only A and B are correct

e)A, B and C are correct


1Telecommunications rooms differ from equipment rooms and entrance facilities in that they are generally considered to be floor serving facilities that provide a connection point between backbone and horizontal distribution pathways. A telecommunications room provides an environmentally suitable and secure area for which of the following elements?

a)Cables

b)Cross-connects

c)Telecommunications equipment

d)Only A and B are correct

e)A, B and C are correct 

7-1


2The maximum number of telecommunication rooms that may be provided within a building is:

a)5

b)10

c)20

d)33

e)There is no maximum


2The maximum number of telecommunication rooms that may be provided within a building is:

a)5

b)10

c)20

d)33

e)There is no maximum 

7-2


3The types of cabling facilities that are housed by telecommunications rooms include:

a)Horizontal cross-connections, backbone cross-connections and entrance facilities

b)Horizontal cross-connections, backbone cross-connections and grounding facilities

c)Horizontal cross-connections, punch blocks and backbone cross-connections

d)Horizontal cross-connections, punch blocks and patch panels

e)Horizontal cross-connections, backbone cross-connections and patch panels


3The types of cabling facilities that are housed by telecommunications rooms include:

a)Horizontal cross-connections, backbone cross-connections and entrance facilities 

b)Horizontal cross-connections, backbone cross-connections and grounding facilities

c)Horizontal cross-connections, punch blocks and backbone cross-connections

d)Horizontal cross-connections, punch blocks and patch panels

e)Horizontal cross-connections, backbone cross-connections and patch panels

7-2


4The colour used to identify the demarcation point is:

a)Blue

b)Green

c)Orange

d)Purple

e)Grey


4The colour used to identify the demarcation point is:

a)Blue

b)Green

c)Orange 

d)Purple

e)Grey

7-5


5Sleeves and slots must be left open after cable installation for easy access to the media for future cable plant modification or changes

a)True

b)False


5Sleeves and slots must be left open after cable installation for easy access to the media for future cable plant modification or changes

a)True

b)False 

7-6


6All of the following should be done when designing conduits, raceways and ducts for telecommunications rooms except:

a)Locate slot/sleeve systems in places where pulling and termination will be easy

b)Sleeves and slots shall not be left open after cable installation

c)The size and number of conduits or sleeves used for backbone pathways depends on the usable floor space served by the backbone system

d)Interconnect multiple telecommunications rooms on a floor with a minimum of one trade size 3 (78mm) or a pathway that provides equivalent capacity

e)For horizontal pathways, use the requirements for conduits, raceways, and ducts supporting a minimum of 3 cables


6All of the following should be done when designing conduits, raceways and ducts for telecommunications rooms except:

a)Locate slot/sleeve systems in places where pulling and termination will be easy

b)Sleeves and slots shall not be left open after cable installation

c)The size and number of conduits or sleeves used for backbone pathways depends on the usable floor space served by the backbone system

d)Interconnect multiple telecommunications rooms on a floor with a minimum of one trade size 3 (78mm) or a pathway that provides equivalent capacity

e)For horizontal pathways, use the requirements for conduits, raceways, and ducts supporting a minimum of 3 cables 

7-6


7The ANSI/TIA/EIA-569-B standard specifies a minimum floor loading of _________ for telecommunication rooms.

a)2.4 kPA (50 lb/ft squared)

b)4.8 kPA (100 lb/ft squared)

c)7.2 kPA (150 lb/ft squared)

d)9.6 kPA (200 lb/ft squared)

e)12.0 kPA (250 lb/ft squared)


7The ANSI/TIA/EIA-569-B standard specifies a minimum floor loading of _________ for telecommunication rooms.

a)2.4 kPA (50 lb/ft squared) 

b)4.8 kPA (100 lb/ft squared)

c)7.2 kPA (150 lb/ft squared)

d)9.6 kPA (200 lb/ft squared)

e)12.0 kPA (250 lb/ft squared)

7-8


8What is the guideline used to estimate space requirements when planning for UTP cable termination for each four pair circuit to be patched or cross-connected?

a)7 sq. cm (1 sq. in.)

b)13 sq. cm (2 sq. in.)

c)26 sq. cm (4 sq in.)

d)39 sq. cm (6 sq. in.)

e)52 sq. cm (8 sq. in.)


8What is the guideline used to estimate space requirements when planning for UTP cable termination for each four pair circuit to be patched or cross-connected?

a)7 sq. cm (1 sq. in.)

b)13 sq. cm (2 sq. in.)

c)26 sq. cm (4 sq in.) 

d)39 sq. cm (6 sq. in.)

e)52 sq. cm (8 sq. in.)

7-17


9A telecommunications room must be equipped to provide a minimum of _________ dedicated 3-wire 110V AC duplex electricaloutlet(s) for equipment power.

a)One

b)Two

c)Three

d)Four

e)Five or more


9A telecommunications room must be equipped to provide a minimum of _________ dedicated 3-wire 110V AC duplex electricaloutlet(s) for equipment power.

a)One

b)Two 

c)Three

d)Four

e)Five or more

7-9


10Multiple telecommunication rooms are required if:

a)Floor area to be served exceeds 1000 square metres (10,000 square feet)

b)Horizontal distance to the work area exceeds 45 metres (150 feet)

c)Multiple equipment grounds are required

d)Both A and B are correct

e)A, B and C are correct


10Multiple telecommunication rooms are required if:

a)Floor area to be served exceeds 1000 square metres (10,000 square feet) 

b)Horizontal distance to the work area exceeds 45 metres (150 feet)

c)Multiple equipment grounds are required

d)Both A and B are correct

e)A, B and C are correct

7-13


11The size requirements of a telecommunications service are based on distributing telecommunications service to one individual work area per __________ of usable floor space.

a)5 Square metres (50 sq. ft.)

b)7 Square metres (70 sq. ft.)

c)10 Square metres (100 sq. ft.)

d)15 Square metres (150 sq. ft.)

e)20 Square metres (200 sq.ft.)


11The size requirements of a telecommunications service are based on distributing telecommunications service to one individual work area per __________ of usable floor space.

a)5 Square metres (50 sq. ft.)

b)7 Square metres (70 sq. ft.)

c)10 Square metres (100 sq. ft.) 

d)15 Square metres (150 sq. ft.)

e)20 Square metres (200 sq.ft.)

7-13


12If the floor space is larger than 500 sq. m (5,000 square feet) and less than or equal to 800 sq. m (8,000 sq. ft.), the minimum size of the telecommunications room should be:

a)3.0 metres by 2.2 metres (10 ft. by 7 ft.)

b)3.0 metres by 2.7 metres (10 ft. by 9 ft.)

c)3.0 metres by 3.0 metres (10 ft. by 10 ft.)

d)3.0 metres by 3.4 metres (10 ft. by 11 ft.)

e)3.0 metres by 4.0 metres (10 ft. by 13 ft.)


12If the floor space is larger than 500 sq. m (5,000 square feet) and less than or equal to 800 sq. m (8,000 sq. ft.), the minimum size of the telecommunications room should be:

a)3.0 metres by 2.2 metres (10 ft. by 7 ft.)

b)3.0 metres by 2.7 metres (10 ft. by 9 ft.) 

c)3.0 metres by 3.0 metres (10 ft. by 10 ft.)

d)3.0 metres by 3.4 metres (10 ft. by 11 ft.)

e)3.0 metres by 4.0 metres (10 ft. by 13 ft.)

7-14


13Telecommunications room layouts should allow a minimum of ________ of clear working space in front of equipment and cross-connect fields.

a)0.5 metres (1.5 feet)

b)1 metre (3 feet)

c)1.5 metres (5 feet)

d)2 metres (6.5 feet)

e)2.5 metres (8.2 feet) or more


13Telecommunications room layouts should allow a minimum of ________ of clear working space in front of equipment and cross-connect fields.

a)0.5 metres (1.5 feet)

b)1 metre (3 feet) 

c)1.5 metres (5 feet)

d)2 metres (6.5 feet)

e)2.5 metres (8.2 feet) or more

7-16


14Telecommunications enclosures should serve an area not greater than?

a)255m sq (2800 ft sq)

b)315m sq (3200 ft sq)

c)325m sq (3500 ft sq)

d)335m sq (3600 ft sq)

e)355m sq (3800 ft sq)


14Telecommunications enclosures should serve an area not greater than?

a)255m sq (2800 ft sq)

b)315m sq (3200 ft sq)

c)325m sq (3500 ft sq)

d)335m sq (3600 ft sq)

e)355m sq (3800 ft sq)

7-24


74. Shallow rooms must be at least ___________ .

a)0.3m by 1.3m(1ft by 4.25ft)

b)0.4m by 1.5m (1.3ft by 5ft)

c)0.6m by 2.6m(2ft by 8.5ft)

d)0.9m by 3.0m(3ft by 10ft)

e)1.0m by 3.0m (3.2ft by 10ft)


74. Shallow rooms must be at least ___________ .

a)0.3m by 1.3m(1ft by 4.25ft)

b)0.4m by 1.5m (1.3ft by 5ft)

c)0.6m by 2.6m(2ft by 8.5ft) 

d)0.9m by 3.0m(3ft by 10ft)

e)1.0m by 3.0m (3.2ft by 10ft)

7-15


76. TRs should be designed to have doors that are at least 91cm (3 feet) wide and _________ tall.

a)1.8 metres (71 in)

b)1.9 metres (76 in)

c)2.0 metres (80 in)

d)2.1 metres (84 in)

e)2.2 metres (88 in)


76. TRs should be designed to have doors that are at least 91cm (3 feet) wide and _________ tall.

a)1.8 metres (71 in)

b)1.9 metres (76 in)

c)2.0 metres (80 in) 

d)2.1 metres (84 in)

e)2.2 metres (88 in)

7-6


78. When allocating cable terminations, __________ of space should be allocated for each fibre pair to be patched or cross-connected.

a)2600 sq mm (4 sq in)

b)2000 sq mm (3 sq in)

c)1300 sq mm (2 sq in)

d)700 sq mm (1 sq in)

e)None of the above are correct


78. When allocating cable terminations, __________ of space should be allocated for each fibre pair to be patched or cross-connected.

a)2600 sq mm (4 sq in)

b)2000 sq mm (3 sq in)

c)1300 sq mm (2 sq in) 

d)700 sq mm (1 sq in)

e)None of the above are correct

7-17


81. AC outlets should be placed at ________ intervals around perimeter walls of a telecommunications closet.

a)1.0m (3ft)

b)1.2m (4ft)

c)1.5m (5ft)

d)1.8m (6ft)

e)2.0m (6.5ft)


81. AC outlets should be placed at ________ intervals around perimeter walls of a telecommunications closet.

a)1.0m (3ft)

b)1.2m (4ft)

c)1.5m (5ft)

d)1.8m (6ft) 

e)2.0m (6.5ft)

7-9


82. Whenever possible, locate space for terminations for each type of cable on one continuous wall or rack and plan for a clear space of _____________ above and below the top and bottom of the connecting hardware for cable handling.

a)60 - 70 mm(2 - 3 inches)

b)70 - 90 mm(3 - 4 inches)

c)90 - 110 mm (4 - 5 inches)

d)125 - 150 mm (5 - 6 inches)

e)150 - 170 mm (6 - 7 inches)


82. Whenever possible, locate space for terminations for each type of cable on one continuous wall or rack and plan for a clear space of _____________ above and below the top and bottom of the connecting hardware for cable handling.

a)60 - 70 mm(2 - 3 inches)

b)70 - 90 mm(3 - 4 inches)

c)90 - 110 mm (4 - 5 inches)

d)125 - 150 mm (5 - 6 inches) 

e)150 - 170 mm (6 - 7 inches)

7-11


83. Narrow side walls of a telecommunications closet should be reserved for:

a)Labels

b)D rings

c)Miscellaneous items

d)Patch panels

e)None of the above are correct


83. Narrow side walls of a telecommunications closet should be reserved for:

a)Labels

b)D rings

c)Miscellaneous items 

d)Patch panels

e)None of the above are correct

7-11


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