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

Telecomms rooms and enclosures

20 questions


Telecomms rooms and enclosures

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


Telecomms rooms and enclosures

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


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

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


2 the maximum number of telecommunication rooms that may be provided within a building is1

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


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

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


3 the types of cabling facilities that are housed by telecommunications rooms include1

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


4 the colour used to identify the demarcation point is

4The colour used to identify the demarcation point is:

a)Blue

b)Green

c)Orange

d)Purple

e)Grey


4 the colour used to identify the demarcation point is1

4The colour used to identify the demarcation point is:

a)Blue

b)Green

c)Orange 

d)Purple

e)Grey

7-5


Telecomms rooms and enclosures

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


Telecomms rooms and enclosures

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


Telecomms rooms and enclosures

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


Telecomms rooms and enclosures

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


7 the ansi tia eia 569 b standard specifies a minimum floor loading of for telecommunication rooms

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 the ansi tia eia 569 b standard specifies a minimum floor loading of for telecommunication rooms1

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


Telecomms rooms and enclosures

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.)


Telecomms rooms and enclosures

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


Telecomms rooms and enclosures

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


Telecomms rooms and enclosures

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


10 multiple telecommunication rooms are required if

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


10 multiple telecommunication rooms are required if1

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


Telecomms rooms and enclosures

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.)


Telecomms rooms and enclosures

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


Telecomms rooms and enclosures

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.)


Telecomms rooms and enclosures

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


Telecomms rooms and enclosures

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


Telecomms rooms and enclosures

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


14 telecommunications enclosures should serve an area not greater than

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)


14 telecommunications enclosures should serve an area not greater than1

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

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 least1

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

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 tall1

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


Telecomms rooms and enclosures

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


Telecomms rooms and enclosures

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

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 closet1

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


Telecomms rooms and enclosures

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)


Telecomms rooms and enclosures

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

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 for1

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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