RCDD Test TDMMV14 (Questions taken from Review
Courses DD101, DD102, and the BICSI RCDD Study
Guide) Questions Answered Correctly To Score A+
Which of these cables is considered immune to electromagnetic interference?
A) Optical Fiber
B) Balanced Twisted-Pair
C) Coaxial
A) Optical Fiber
Reference: TDMM, 14th edition, page 2-37
Which of the following terms describes the transmission of signals in both
directions at the
same time?
A) Simplex
B) Half-duplex
C) Full duplex
C) Full Duplex
TDMM, 14th edition, page 1-39
Which of the following terms refers to signal interference between cable pairs?
A) Crosstalk
B) Impedance
C) Delay skew
D) Power Loss
A) Crosstalk
TDMM, 14th edition, page 1-54
Series-6 and Series-11 coaxial cables have a characteristic impedance of ___
ohms.
A) 25
B) 75
C) 100
D) 150
B) 75
TDMM, 14th edition, page 6-24
Balanced twisted-pair cables have a nominal characteristic impedance of
________ ohms at
100 MHz.
,A) 25
B) 75
C) 100
D) 150
C) 100
TDMM, 14th edition, page 1-57
Which of the following sets the standard for comparing the conductivity of
metallic
cabling?
A) Copper
B) Gold
C) Silver
D) Aluminum
A) Copper
TDMM, 14th edition, page 1-3, Table 1.1
Which optical fiber interface features an SFF design and has a simplex connector
that can be converted to a duplex using a clip?
A) LC-style optical fiber connector
B) ST-style optical fiber plugs
C) SC-style optical fiber plugs
A) LC-style optical fiber connector
TDMM, 14th edition, page 6-81
What are the two most popular sized cores in multimode optical fiber?
A) 8 μm to 11 μm
B) 50 μm to 125 μm
C) 62.5 μm and 50 μm
D) 100 μm and 250 μm
C) 62.5 μm and 50 μm
TDMM, 14th edition, page 6-16
Which type of optical fiber has a small diameter featuring a core of 8 μm to 11
μm?
A) OS2
B) OM3
C) OM4
D) OM5
A) OS2
TDMM, 14th edition, page 6-14
, What are the two major classifications of optical fiber?
A) Multimode and singlemode
B) LED and VSCEL
C) Inside plant (ISP) and outside plant (OSP)
D) Backbone and horizontal
A) Multimode and singlemode
TDMM, 14th edition, page 1-98
There should be a minimum of ____ telecommunications room per floor.
A) No minimum is required
B) 1
C) 2
D) 3
B) 1
TDMM, 14th edition, page 3-19
Multiple telecommunications rooms (TRs) are required if
the cable length between the horizontal cross-connect/floor distributor
(HC/FD) and the telecommunications outlet location, including slack, exceeds
___________.
A) ≈15 m (50 ft)
B) ≈30.5 m (100 ft)
C) ≈45.8 m (150 ft)
D) ≈90 m (295 ft)
D) ≈90 m (295 ft)
TDMM, 14th edition, page 3-21
What is the maximum area that a single telecommunications enclosure (TE) can
cover?
A) ≈334 m² (3600 ft²)
B) ≈465 m² (5000 ft²)
C) ≈743 m² (8000 ft²)
D) ≈929 m² (10,000 ft²)
A) ≈334 m² (3600 ft²)
TDMM, 14th edition, page 3-27
Which of the following connects a telecommunications room (TR) to the work
area?
A) Horizontal cabling
B) Backbone cabling
C) Outside plant cabling
Courses DD101, DD102, and the BICSI RCDD Study
Guide) Questions Answered Correctly To Score A+
Which of these cables is considered immune to electromagnetic interference?
A) Optical Fiber
B) Balanced Twisted-Pair
C) Coaxial
A) Optical Fiber
Reference: TDMM, 14th edition, page 2-37
Which of the following terms describes the transmission of signals in both
directions at the
same time?
A) Simplex
B) Half-duplex
C) Full duplex
C) Full Duplex
TDMM, 14th edition, page 1-39
Which of the following terms refers to signal interference between cable pairs?
A) Crosstalk
B) Impedance
C) Delay skew
D) Power Loss
A) Crosstalk
TDMM, 14th edition, page 1-54
Series-6 and Series-11 coaxial cables have a characteristic impedance of ___
ohms.
A) 25
B) 75
C) 100
D) 150
B) 75
TDMM, 14th edition, page 6-24
Balanced twisted-pair cables have a nominal characteristic impedance of
________ ohms at
100 MHz.
,A) 25
B) 75
C) 100
D) 150
C) 100
TDMM, 14th edition, page 1-57
Which of the following sets the standard for comparing the conductivity of
metallic
cabling?
A) Copper
B) Gold
C) Silver
D) Aluminum
A) Copper
TDMM, 14th edition, page 1-3, Table 1.1
Which optical fiber interface features an SFF design and has a simplex connector
that can be converted to a duplex using a clip?
A) LC-style optical fiber connector
B) ST-style optical fiber plugs
C) SC-style optical fiber plugs
A) LC-style optical fiber connector
TDMM, 14th edition, page 6-81
What are the two most popular sized cores in multimode optical fiber?
A) 8 μm to 11 μm
B) 50 μm to 125 μm
C) 62.5 μm and 50 μm
D) 100 μm and 250 μm
C) 62.5 μm and 50 μm
TDMM, 14th edition, page 6-16
Which type of optical fiber has a small diameter featuring a core of 8 μm to 11
μm?
A) OS2
B) OM3
C) OM4
D) OM5
A) OS2
TDMM, 14th edition, page 6-14
, What are the two major classifications of optical fiber?
A) Multimode and singlemode
B) LED and VSCEL
C) Inside plant (ISP) and outside plant (OSP)
D) Backbone and horizontal
A) Multimode and singlemode
TDMM, 14th edition, page 1-98
There should be a minimum of ____ telecommunications room per floor.
A) No minimum is required
B) 1
C) 2
D) 3
B) 1
TDMM, 14th edition, page 3-19
Multiple telecommunications rooms (TRs) are required if
the cable length between the horizontal cross-connect/floor distributor
(HC/FD) and the telecommunications outlet location, including slack, exceeds
___________.
A) ≈15 m (50 ft)
B) ≈30.5 m (100 ft)
C) ≈45.8 m (150 ft)
D) ≈90 m (295 ft)
D) ≈90 m (295 ft)
TDMM, 14th edition, page 3-21
What is the maximum area that a single telecommunications enclosure (TE) can
cover?
A) ≈334 m² (3600 ft²)
B) ≈465 m² (5000 ft²)
C) ≈743 m² (8000 ft²)
D) ≈929 m² (10,000 ft²)
A) ≈334 m² (3600 ft²)
TDMM, 14th edition, page 3-27
Which of the following connects a telecommunications room (TR) to the work
area?
A) Horizontal cabling
B) Backbone cabling
C) Outside plant cabling
