TDMM 13th RCDD Exam with complete
solutions 2023-2024
C - Answer- Which of the following is an advantage of loose-tube fiber optic cable?
A - a greater impact resistance for individual fiber strands
B - smaller bend radius
C- Greater tensile strength
D - A smaller weight per unit
8268 6-23
D - Answer- Which of the following is an advantage to tight buffered fiber optic cable?
A - Greater tensile strength
B - More robust outer jacket
C - More resistant to temperature changes
D - Smaller bend radius for low fiber count cables
7742 6-25
B - Answer- Which of the following is the BICSI recommendation as the minimum
performance level for horizontal balance twisted-pair cabling?
A - Category 5e Class D
B - Category 6 Class E
C - Category 6A Class EA
D - Categry 7 Class F
7737 6-4
C - Answer- Which of the following telecommunications spaces is a floor-serving or
tenant serving space that provides connection point between backbone and horizontal
infrastructures?
A - equipment rooms (ER)
B - Entrance facilities (EF)
C - Telecommunication rooms (TR)
13563 3-22
D - Answer- {Blank} establish requirements for processes, procedures, practices, or
methods.
,For help mail.
A - Codes
B - Manufacturer's requirements
C - Regulations
D - Standards
13576 A-2
B - Answer- What is the purpose of codes?
A - Determine the minimum levels of acceptable performance
B - Ensure the practical safeguarding of persons and property from hazards
C - Establish requirements for processes, procedures, practices, or methods
D - Ensure interoperability of components and systems by multiple manufacturers
7747 A-2
C - Answer- Which standard defines telecommunications pathways and spaces for
commercial buildings?
A - ANSI/TIA-568-C.0
B - ANSI/TIA-568-C.1
C - ANSI/TIA-568-C
D - ANSI/TIA-607-B
13581 A-65
C - Answer- A double door {Blank} is recommended for an ER
A - 1.52m (5ft) wide and 1.83m (6ft) high
B - 1.2m (4ft) wide and 1.98m (6.5ft) high
C - 1.83m (6ft) wide and 2.3m (7.5ft) high
D - 1.83m (6ft) wide and 2.4m (8ft) high
13611 3-7
B - Answer- If a TR serves an area that is greater than 465m (5000ft2) but less than
743m (8000ft2) what shall be the minimum interior dimensions of the room?
A - 3m (10ft) by 2.4m (8ft)
B - 3m (10ft) by 2.74m (9ft)
C - 3m (10ft) by 3m (10ft)
D - 3m (10ft) by 3.4 (11ft)
7757 3-14
, For help mail.
B - Answer- If ER and EF are combined in the same space, what is the minimum space
required by each AP?
A - 0.91m by 2.1m (3ft by 7ft)
B - 1.2m by 1.83m (4ft by 6ft)
C - 0.91m by 1.83m (3ft by 6ft)
D - 1.2m by 2.1m (4ft by 7ft)
7772 3-39
B - Answer- In Telecommunications spaces, when additional width is recommended or
required for special equipment (e.g. dual vertically positioned tower-type server
shelves), racks, cabinets, or enclosures that have a width should be considered.
A - 483mm (19in)
B - 584mm (23in)
C - 600mm (24in)
D - 762mm (30in)
13620 3-20
C - Answer- Provide at least {Blank} depth off the wall for wall mounted equipment.
A - 150mm (6in)
B - 300mm (12in)
C - 450mm (18in)
D - 600mm (24in)
13601 3-5
B - Answer- Telecommunications spaces should have a separate duplex or quad
convenience receptacles that are located at least {Blank} AFF.
A - 100mm (4in)
B - 150mm (6in)
C - 200mm (8in)
D - 300mm (12in)
11336 3-8
A - Answer- Trays and conduits located within the ceiling should protrude into the room
a distance of {Blank} without a bend and above 2.4m (8ft) high.
A - 25mm (1 in) to 50mm (2 in)
B - 38mm(1.5 in) to 75mm (3 in)
C - 50 mm (2 in) to 75mm (3 in)