RCDD Chapter 3
This is Chapter 3 of the RCDD book. Â
- 1.
Which of the folling are work area components?
- A.
Telecommunicatons outlet/connector
- B.
Work area cable (cord)
- C.
Multi-user telecommunications outlet assembly (MUTOA)
- D.
Work area equipment
- E.
SFF (small form factor)
Correct Answer(s)
A. Telecommunicatons outlet/connector
B. Work area cable (cord)
C. Multi-user telecommunications outlet assembly (MUTOA)
D. Work area equipment -
- 2.
Define the folling:Connection device in the work area on which horizontal cable or outlet cable terminates.
- A.
Optional multi-user telecommunications outlet assembly (MUTOA)
- B.
Transition point
- C.
Consolidation point
- D.
Telecommunications outlet/connector
Correct Answer
D. Telecommunications outlet/connector -
- 3.
One type of telecommunications outlet/connector is the 4-pair connector (8P8C type) and is recognized as an industry standard for balanced twisted-pair cabling.
- A.
True
- B.
False
Correct Answer
A. True -
- 4.
What type of telecommunications outlet/connector is used for optical fiber cabling and are commonly specified due to the benefits associated with high-density termination fields.
- A.
SFC
- B.
OSC
- C.
SFF
- D.
ScTP
Correct Answer
C. SFF -
- 5.
With few exceptions, most balanced twisted-pair cabling standards require each 4-pair cable to be terminated to an 8-position, 8-contact (8P8C) modular jack at the work area.
- A.
True
- B.
False
Correct Answer
A. True -
- 6.
Which type of cabling is accepted.
- A.
UTP
- B.
ScTP
- C.
SFF
- D.
F/UTP
- E.
S/FTP
Correct Answer(s)
A. UTP
B. ScTP
D. F/UTP
E. S/FTP -
- 7.
What are the two common pin pairings?
- A.
T586A
- B.
T568B
- C.
T569A
- D.
T568A
Correct Answer(s)
B. T568B
D. T568A -
- 8.
Pin pairings T568A, T568B assignments are compatible with all known telecommmunications applicatons intended to operate over ____________ ohms balanced twisted-pair?
- A.
250
- B.
150
- C.
100
- D.
50
Correct Answer
C. 100 -
- 9.
Which is the perferred pin assignment?
- A.
T568A
- B.
T568B
Correct Answer
A. T568A -
- 10.
Each occupant work area must have a minimum of one telecommunications outlet box at each location?
- A.
True
- B.
False
Correct Answer
A. True -
- 11.
For work areas in which it may be difficult to install future additional telecommunications outlet/connectors (e.g., in private offices) what is the minimum number of telecommunications outlet box locations should be provided and located for equipment access flexibility.
- A.
2
- B.
3
- C.
1
- D.
4
Correct Answer
A. 2 -
- 12.
The telecommunications outlet box shoud be a minimum of 101mm (4")x 101mm (4")x57mm (2-1/4in). This will accommodate one or two _____________size conduits
- A.
1 trade size
- B.
2 trade size
- C.
3 trade size
- D.
4 trade size
Correct Answer
A. 1 trade size -
- 13.
A work area telecommunications outlet should be installed within how many feet and at the same hight as an electircal outlet?
- A.
2 in
- B.
3 in
- C.
3 ft
- D.
2ft
- E.
4 in
Correct Answer
C. 3 ft -
- 14.
What is used to extend from the telecommunications outlet/connector MUTOA to the work area equipment.
- A.
Transition point
- B.
Work area cables "equipment cords"
- C.
Horizontal cross-connects
Correct Answer
B. Work area cables "equipment cords" -
- 15.
If the work area cable transmission performance is less that that of the horizontal cabling to which it connects, the transmission performance of the entire channel will be reduced to that of the lesser performing work area cable.
- A.
True
- B.
False
Correct Answer
A. True -
- 16.
When horizontal cabling must be adapted to accommodate specific user needs make the adaptions inside the telecommunications outlet/connector or MUTOA.
- A.
True
- B.
False
Correct Answer
B. False -
- 17.
The combined length of equipment cables, work area cords, and patch cords in the telecommunication room(TR) or equipment room (ER) must not exceed how many feet?
- A.
16 ft
- B.
28 ft
- C.
33 ft
- D.
295 ft
- E.
328 ft
Correct Answer
C. 33 ft -
- 18.
Furniture and horizontal pathway capacity should not exceed what percent of the pathway cross section?
- A.
20%
- B.
30%
- C.
60%
- D.
40%
Correct Answer
D. 40% -
- 19.
What is the maximum percent pathway fill allowed to accommodate unplanned additions after initial installations.
- A.
40%
- B.
80%
- C.
90%
- D.
60%
Correct Answer
D. 60% -
- 20.
The cross-sectional area of the straight section of a furniture pathway for telecommunications cabling must be at least___________
- A.
1.5 in sq
- B.
1 in sq
- C.
2.5 in sq
- D.
3 in sq
Correct Answer
A. 1.5 in sq -
- 21.
The maximum size pathway must not force the cable bend radius to be less than ___ in under conditions of maximum cable fill?
- A.
2 in
- B.
1 in
- C.
3 in
- D.
1.5 in
Correct Answer
B. 1 in -
- 22.
You should always maintain specified distances from possible sources of EMI exceeding 5 kVa
- A.
True
- B.
False
Correct Answer
A. True -
- 23.
Unshielded power lines or electrical equipment in proximity to open or nonmetal pathways should have a minimum separation distance of?
- A.
610mm (24in)
- B.
305 mm (12in)
- C.
152 mm (12in)
- D.
1194 mm (47)
Correct Answer
A. 610mm (24in) -
- 24.
Power lines enclosed in a grounded metal conduit (or equivalent shielding) in proximity to a grounded metal conduit pathway should have a minimum separation distance of?
- A.
1194mm (47 in)
- B.
610 mm (24 in)
- C.
305 mm (12 in)
- D.
152 mm (6 in )
Correct Answer
D. 152 mm (6 in ) -
- 25.
Electrical motors and transformers should have a minimum separation distance of?
- A.
610 mm (24 in)
- B.
152 mm (6 in)
- C.
1194 mm (47 in)
- D.
305 mm (12 in)
Correct Answer
C. 1194 mm (47 in) -
- 26.
Unshielded power lines or electrical equipment in proximity to a grounded metal conduit pathway should have a minimum separation distance of?
- A.
1194 mm (47 in)
- B.
305 mm (12 in)
- C.
610 mm (24 in)
- D.
152 mm (6 in)
Correct Answer
B. 305 mm (12 in) -
- 27.
For branch circuits of 5 kVa or less, no additional separation should be necessary. For unusual situations when excessive noise is present on branch circuits you should see which of the following "Noise Reduction Guidelines."?
- A.
TIA-568-B Annex C
- B.
TIA-568-A Annex C
- C.
TIA-569-B Annex C
- D.
TIA-569-A Annex C
Correct Answer
C. TIA-569-B Annex C -
- 28.
MUTOAs are not suitable for use in open office spaces that are frequently reconfigured.
- A.
True
- B.
False
Correct Answer
B. False -
- 29.
Work area equipment is directly connected to the MUTOA by work area cables.
- A.
True
- B.
False
Correct Answer
A. True -
- 30.
When used, each open office furniture cluster should be servied by at least how many MUTOA
- A.
1
- B.
2
- C.
3
- D.
4
- E.
12
Correct Answer
A. 1 -
- 31.
A single MUTOA shold be limited to serving a maximum of how may work areas?
- A.
12
- B.
6
- C.
3
- D.
2
- E.
1
Correct Answer
A. 12 -
- 32.
How may feet does the use of a MUTOA cabling design option allow work area cables to extend beyond, this also depends on the length of the horizontal cable?
- A.
16 ft
- B.
33 ft
- C.
28 ft
- D.
10 ft
Correct Answer
A. 16 ft -
- 33.
Is it ok to use in some cases High-Density patch panels as a MUTOA?
- A.
YES
- B.
NO
Correct Answer
A. YES -
- 34.
Do not use 24 AWG (.51 mm .020 in) work area cables with lengths that exceed 22 m (71 ft).
- A.
True
- B.
False
Correct Answer
A. True -
- 35.
24 AWG (.51 mm.020 in) UTP / ScTP Patch Cords have a Derating Factor of what percent?
- A.
20%
- B.
30%
- C.
40%
- D.
50%
Correct Answer
A. 20% -
- 36.
26 AWG (.41 mm .016 in) ScTP Patch Cords have a Derationg Factor of what percent?
- A.
50%
- B.
20%
- C.
30%
- D.
40%
Correct Answer
A. 50% -
- 37.
A MUTOA must be labled to include the following:
- A.
Category of the cable
- B.
What the cable is connecting to
- C.
Maximum length of the work area cable
Correct Answer
C. Maximum length of the work area cable -
- 38.
MUTOA must be located in fully accessible and permanent locations such as?
- A.
Building colums
- B.
Ceiling spaces
- C.
Permanent walls
- D.
Access floring
Correct Answer(s)
A. Building colums
C. Permanent walls -
- 39.
MUTOA should not be installed in the following areas:
- A.
Building columns
- B.
Ceiling spaces
- C.
Under access flooring
- D.
Any obstructed areas
Correct Answer(s)
B. Ceiling spaces
C. Under access flooring
D. Any obstructed areas -
- 40.
If furniture is permanently secured to the building structure it is ok to install a MUTOA.
- A.
True
- B.
False
Correct Answer
A. True -
- 41.
For balanced twisted-pair cabling, MUTOA should be located at what distances from the HC (FD) to minimize the effects of multiple connections in close proximity on near-end crosstalk (Next) loss and return loss.
- A.
50 ft
- B.
30 ft
- C.
100 ft
- D.
20 ft
- E.
40 ft
Correct Answer
A. 50 ft -
- 42.
A CP is a locaton for interconnection between the permanently installed horizontal cables extending from the HC (FD) in the TR and the horizontal cables extending to the telecommunications outlet/connectiors or MUTOA's
- A.
True
- B.
False
Correct Answer
A. True -
- 43.
The CP is a user interface.
- A.
True
- B.
False
Correct Answer
B. False -
- 44.
A CP should be limited to serving a maximum of _________ work areas
- A.
24
- B.
6
- C.
2
- D.
3
- E.
12
Correct Answer
E. 12 -
- 45.
High-density patch panels may not be used as a CP
- A.
True
- B.
False
Correct Answer
B. False -
- 46.
For balanced twisted-pair cabling, CP should be located at least what distance from the HC (FD) to minimize the effects fo multiple connections ni close proximity on NEXT loss and return loss?
- A.
30 ft
- B.
40 ft
- C.
50 ft
- D.
60 ft
- E.
100 ft
Correct Answer
C. 50 ft -
- 47.
Heavy furniture would include objects weighing __________lbs or more
- A.
400 lbs
- B.
200 lbs
- C.
300 lbs
- D.
50 lbs
- E.
100 lbs
Correct Answer
E. 100 lbs -
- 48.
You should not place active telecommunications equipment directly within the ceiling or access floor space
- A.
False
- B.
True
Correct Answer
B. True -
- 49.
One advantage of a CP is that it may be useful when open office furniture reconfiguration are frequent.
- A.
True
- B.
False
Correct Answer
A. True -
- 50.
Identify Disadvantages of a CP:
- A.
Generally increase the original installation time and expense of additional materials
- B.
Add additional labeling requirements
- C.
Can potentially decrease work area cabling installation time and the additional expense of materials when rearranging open office furniture and associated cabling.
- D.
May contribute to the complexity of testing and troubleshooting of the installed horizontal cabling.
- E.
May degrade the transmission characteristics (insertion loss, crosstalk, and return loss) of the cabling channel.
Correct Answer(s)
A. Generally increase the original installation time and expense of additional materials
B. Add additional labeling requirements
D. May contribute to the complexity of testing and troubleshooting of the installed horizontal cabling.
E. May degrade the transmission characteristics (insertion loss, crosstalk, and return loss) of the cabling channel. -
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