FINAL TEST Flashcards
What is the minimum diameter sheave (pulley) that is required for a 900 pair cable, 2.75” in diameter, if the bend radius for a multipair in 10 x OD?
Select one:
A.
27.5 inches
B.
13.75 inches
C.
55 inches
D.
43.2 inches
The correct answer is: C
55 inches
What does this OTDR trace indicate?
Select one:
A. Non-reflective fiber break
B. Reflective end with negative loss
C. Reflective fiber break
D. Reflective end with positive loss
The correct answer is: A
Non-reflective fiber break
In a patch cord, what is the alternate colour of pair #1?
Select one:
A. Green-red
B. Blue-orange
C. Brown-slate
D. Black-yellow
The correct answer is: A
Green-red
What value of dB represents a doubling of power?
Select one:
A.
2 dB
B.
4 dB
C.
6 dB
D.
3 dB
The correct answer is: D
3 dB
A 1900 m link of singlemode outdoor fiber operating at 1310 nm has 2 mechanical splices and 2 mated connectors. The component losses are as follows:
Fiber loss = 0.5 dB/km
Splice loss = 0.3 dB
Mated pair connector loss = 0.75 dB
What is the total loss of this link?
Select one:
A.
2.30 dB
B.
3.65 dB
C.
3.05 dB
D.
4.55 dB
The correct answer is: C
3.05 dB
What will happen to channel attenuation when a 62.5 µm fiber patch cord is connected to a 50 µm fiber?
Select one:
A.
Attenuation will be higher when the source is connected to the 62.5 µm fiber
B.
Attenuation will be higher when the source is connected to the 50 µm fiber
C.
Attenuation will be higher only when operating at 850 nm
D.
Attenuation will be higher only when operating at 1300 nm
The correct answer is: A
Attenuation will be higher when the source is connected to the 62.5 µm fiber
According to ANSI-568-C.2 standard, which of the following is a required certification field-test parameter?
Select one:
A.
Resistance
B.
Impedance
C.
ACR
D.
Return Loss
The correct answer is: D
Return Loss
Installed on a CEA-310-E compliant 19” rack is the following equipment:
3(three) - Horizontal cable management panels, 19” x 1-3/4”
2(two) - Switch, 19” x 5-1/4”
2(two) - Modular pacth panels, 19” x 3-1/2”
How many rack units does all this equipment occupy?
Select one:
A.
17 rack units
B.
13 rack units
C.
7 rack units
D.
11 rack units
The correct answer is: B
13 rack units
How much shorter will the maximum permanent link length be when using 28 AWG ‘small conductor” cords with a derating factor of 92%?
Select one:
A.
82.8 meters
B.
92.0 meters
C.
99.2 meters
D.
82.5 meters
The correct answer is: A
82.8 meters
an OSP cable connecting two buildings has the following colours identifying the last pair.
Black superbinder
Violet-brown binders
Violet-slate pair
What is the minimum number of 250-pair terminal blocks and the minimum number of 25-pair connector blocks required to terminate both ends of this cable?
Select one:
A.
6 terminal blocks and 48 connector blocks
B.
15 terminal blocks and 144 connector blocks
C.
16 terminal blocks and 144 connector blocks
D.
5 terminal blocks and 48 connector blocks
The correct answer is: C
16 terminal blocks and 144 connector blocks
Which statement regarding NEXT is true?
Select one:
A.
Crosstalk is greatest at the near end (at the sender end)
B.
NEXT is only measured near the center of the link-under-test
C.
Length is a factor of NEXT
D.
NEXT measures the crosstalk on the link-under-test as the signal is measured at the receiving end
The correct answer is: A
Crosstalk is greatest at the near end (at the sender end)
According to the TIA-568.0-D standard, what is the maximum amount of conductor untwist for a Cat.3 cable?
Select one:
A.
0.5 inches
B.
0.3 inches
C.
3 inches
D.
1 inch
The correct answer is: C
3 inches
According to ANSI-568.0-D standard, what is the maximum installation pull/tensile load for a 4-pair cable?
Select one:
A.
25 lbf.
B.
100 lbf.
C.
50 lbf.
D.
75 lbf.
The correct answer is: A
25 lbf.
According to the ANSI-568.3-D standard, what is the identifying colour of a laser optimized optical fiber SC connector?
Select one:
A.
Beige
B.
Blue
C.
Aqua
D.
Green
The correct answer is: C
Aqua
According to the TIA-569-D standard, what is the maximum allowable distance between non-continuous cable supports such as “J” hooks?
Select one:
A.
4 ft
B.
5 ft
C.
3 ft
D.
2 ft.
The correct answer is: B
5 ft
What size of mechanical splice devices are required to splice a loose tube cable to a breakout cable?
Select one:
A.
125 µm - 250 µm
B.
125 µm - 900 µm
C.
250 µm - 900 µm
D.
250 µm - 250 µm
The correct answer is: C
250 µm - 900 µm
What equipment is needed to find the length of copper cable on a reel?
Select one:
A.
Wire map tester
B.
Interferometer
C.
Impedance tester
D.
Time domain reflectometer
The correct answer is: D
Time domain reflectometer
What is the minimum number of BBC’s (a.k.a., ground equalizer [GE]) required in a ten story building with two TRs per floor?
Select one:
A.
3
B.
4
C.
7
D.
10
The correct answer is: B
4
What does this OTDR trace indicate?
Select one:
A.
Reflective end with positive loss
B.
Non-reflective fiber break
C.
Reflective end with negative loss
D.
Reflective fiber break
The correct answer is: D
Reflective fiber break
An EF is located 20 meters from the exterior edge of a building. How many meters of non-FT rated outdoor fiber cable be installed into the EF?
Select one:
A.
In 5 meters of EMT
B.
In 17 meters of rigid conduit
C.
In a cable tray
D.
On J hooks
The correct answer is: B
In 17 meters of rigid conduit
When viewed from the front of the patch panel, how are the WA cables routed on a two row 48-port hinged patch panel, that hinges towards the left?
Select one:
A.
All 48 cables are routed to the right side of the patch panel
B.
All 48 cables are routed to the left side of the patch panel
C.
Cables 1 to 12 and cables 25 to 36 are routed to the left side of the patch panel. Cables 13 to 24 and cables 37 to 48 are routed to the right side of the patch panel
D.
Cables 1 to 24 are routed to the right side of the patch panel and cables 25 to 48 are routed to the left side of the patch panel
The correct answer is: B
All 48 cables are routed to the left side of the patch panel
According to ANSI/TIA-568.3-D, which is correct duplex fiber patch cord configuration?
Select one:
The correct answer is: A
What size is the PBB (TMGB)?
Select one:
A.
0.25” x 2” x 19”
B.
0.25” x 2” x variable length
C.
0.25” x 4” x variable length
D.
0.25” x 4” x 24”
The correct answer is: C
0.25” x 4” x variable length
According to the ANSI-568.3-D standard, how is a MM SC connector differentiated from a SM SC connector?
Select one:
A.
The MM connector is colour-coded orange and the SM connector is colour-coded yellow
B.
The MM connector is colour-coded grey and the SM connector is colour-coded yellow
C.
The MM connector is colour-coded beige and the SM connector is colour-coded blue
D.
The MM connector is colour-coded beige and the SM connector is colour-coded yellow
The correct answer is: C
The MM connector is colour-coded beige and the SM connector is colour-coded blue
Which of the following would be a typical size range of a 4-pair Category 5e UTP cable?
Select one:
A.
0.10” to 0.19” diameter
B.
0.31” to 0.49” diameter
C.
0.20” to 0.32” diameter
D.
0.50” to 0.75” diameter
The correct answer is: C
0.20” to 0.32” diameter
Which connector uses IDC termination technology?
Select one:
A.
110 connector
B.
N connector
C.
SC connector
D.
BNC connector
The correct answer is: 1A
10 connector
Which combination of UTP performance characteristics requires that “length” is part of the specifications (e.g. 28.7 ohms/1000 ft.)?
Select one:
A.
DC resistance, insertion loss, and impedance
B.
DC resistance, insertion loss, and capacitance
C.
DC resistance, NEXT, and insertion loss
D.
DC resistance, NEXT, and impedance
The correct answer is: B
DC resistance, insertion loss, and capacitance
How is a “Type-B’ MPO cable configured?
Select one:
A.
The fiber from position 1 goes to position 1 at the other end
B.
The fiber from position 1 goes to position 2 at the other end
C.
The fiber from position 1 goes to position 12 at the other end
D.
The fiber from position 1 goes to position 7 at the other end
The correct answer is:C
The fiber from position 1 goes to position 12 at the other end
What is indicated by the following wire map?
Select one:
A.
Split pairs
B.
Shorted pairs
C.
Reversed pairs
D.
Crossed pairs
The correct answer is: D
Crossed pairs
What splice method should be used on multipair cables, where the splices need to be maintained?
Select one:
A.
Non-pressurized splice
B.
Pass through splice
C.
Butt splice
D.
Fold back splice
The correct answer is: D
Fold back splice
What type of splice method is used if future rearrangement and maintenance is needed?
Select one:
A.
Pass through splice
B.
Foldback splice
C.
Butt splice
D.
Non-pressurized splice
The correct answer is: B
Foldback splice
What instrument is required to measure return loss per connection in an optical fiber link?
Select one:
A.
A optical source and power meter
B.
An optical TDR measurement unit
C.
An optical loss measurement unit
D.
An optical power meter
The correct answer is: B
An optical TDR measurement unit
According to ANSI/TIA-568.3-D, which statement is correct regarding Tier 2 optical fiber testing?
Select one:
A.
Tier 1 testing is an alternative to Tier 2 testing
B.
Tier 2 testing is an alternative to Tier 1 testing
C.
Tier 2 testing is done after Tier 1 testing
D.
Tier 1 testing is done after Tier 2 testing
The correct answer is: C
Tier 2 testing is done after Tier 1 testing
What is the most probable cause of the condition shown?
Select one:
A.
The two wiring standards (T568A and T568B) were mixed on this link
B.
The plug connections were made by holding one of the plug upside down
C.
This cable was wired using the USOC voice standard
D.
This cable was wired using the ANSI TP-PMD standard
The correct answer is: A
The two wiring standards (T568A and T568B) were mixed on this link
Which property of firestopping material causes it to expand when heated?
Select one:
A.
Intumescent
B.
Elastomeric
C.
Ablative
D.
Endothermic
The correct answer is: A
Intumescent
What is indicated by the following wire map?
Select one:
A.
Normal pairs
B.
Split pairs
C.
Reversed pairs
D.
Transposed pairs
The correct answer is: C
Reversed pairs
What section in the CEC would you find the rules for Conductors for a Class 2 power and Data Circuits?
A.
Section 16
B.
Section 12
C.
Section 60
D.
Section 56
The correct answer is: A
Section 16
How must a ground bus be installed?
Select one:
A.
Mounted 1-12” from non-metallic surface
B.
Mounted on insulators, spaced 2” from the mounting surface
C.
Mounted flush on mounting surface
D.
Mounted on insulators, spaced 1-1/2” from the mounting surface
The correct answer is: B
Mounted on insulators, spaced 2” from the mounting surface
When pulling a multi-pair cable, what is done to eliminate twisting?
Select one:
A.
Pull cable with a safety lanyard
B.
Pull cable with a manila rope
C.
Pull cable with a swivel
D.
Pull cable with a polypropylene rope
The correct answer is: C
Pull cable with a swivel
What is indicated by the following wire map?
Select one:
A.
Transposed pair
B.
Reversed pair
C.
Split pair
D.
Shorted pair
The correct answer is: D
Shorted pair
Which type of network topology require a central device?
Select one:
A.
Ring topology
B.
Bus topology
C.
Hybrid topology
D.
Star topology
The correct answer is: D
Star topology
What are two popular sizes of rack mounting screws?
Select one:
A.
8-32 and 10-32
B.
10-32 and 12-24
C.
6-32 and 8-32
D.
10-24 and 12-32
The correct answer is: B
10-32 and 12-24
A PoE powered WAP is relocated beyond the reach of UTP cabling. What is needed to extend the reach?
Select one:
A.
Connect the WAP with UTP to a power RF amplifier
B.
Connect the WAP with UTP to a PoE powered UTP/fiber media converter
C.
Connect the WAP to a local power source and extend the distance with coax to a remote antenna
D.
Connect the WAP to a local power source and extend the distance with UTP using UTP/coax baluns
The correct answer is: B
Connect the WAP with UTP to a PoE powered UTP/fiber media converter
A 850 m link of multimode fiber operating at 850 nm has 1 mechanical splice and 2 mated pair connectors. The component losses are as follows:
Fiber loss - 3.5 dB/km
Splice loss - 0.3 dB
Mated pair connector loss - 0.75 dB
Select one:
A.
5.08 dB
B.
4.08 dB
C.
4.33 dB
D.
4.78 dB
The correct answer is: D
4.78 dB
Given the distances of cabling need for the workstations below. How many boxes of cable are required to cable this floor section with 2 cables per workstation, including an allowance of 10% on each end?
5 Workstations @ 145 feet
6 Workstations @ 125 feet
8 Workstations @ 108 feet
2 Workstations @ 95 feet
Select one:
A.
7
B.
4
C.
6
D.
5
The correct answer is: A
7
A hybrid optical fiber loose-tube cable, with 6 strands per tube, has 24 SM strands in the first series of tubes. What are the colours of the strand and the tube of MM strand 24?
Select one:
A.
Black tube, blue strand
B.
Green tube, blue strand
C.
Black tube, white strand
D.
Green tube, white strand
The correct answer is: C
Black tube, white strand
What is tested with a tier 2 optical fiber test?
Select one:
A.
Attenuation of cable elements
B.
Encircled flux losses
C.
Link bandwidth
D.
Modal dispersion
The correct answer is: A
Attenuation of cable elements
What are the sequences of steps used to troubleshoot a MM fiber connected to an active Ethernet hub?
Select one:
A.
Test fiber with OTDR and check link lights
B.
Clean fiber connectors and check link lights
C.
Test the patch cords with TDR/power meter and check the link lights
D.
Test link with an OTDR/power meter and check link lights
The correct answer is: B
Clean fiber connectors and check link lights
An analog CCTV system is to be converted to digital. What infrastructure equipment is required to allow the use of some existing analog cameras?
Select one:
A.
A PoE Ethernet switch connected to a PoE powered video encoder
B.
An Ethernet switch connected to the analog cameras with midspan injectors
C.
An Ethernet switch connected to the analog cameras with coax to UTP baluns
D.
A PoE Ethernet switch connected to the analog cameras with coax to UTP baluns
The correct answer is: A
A PoE Ethernet switch connected to a PoE powered video encoder
According to the ANSI-568.3-D standard, what is the identifying colour of a single mode optical fiber SC connectors?
Select one:
A.
Beige
B.
Blue
C.
Yellow
D.
Orange
The correct answer is: B
Blue
When testing cable, what does an asterisk (*) beside the NEXT value indicate?
Select one:
A.
The worst performing NEXT pair combination
B.
The best performing NEXT pair combination
C.
The NEXT value is marginal
D.
The NEXT value is the cause of AUTOTEST failure
The correct answer is: C
The NEXT value is marginal
What is the nominal impedance of RG-58 (Series-58) cable?
Select one:
A.
100 Ω
B.
50 Ω
C.
75 Ω
D.
59 Ω
The correct answer is: B
50 Ω
What must be done in order to operate a fusion splicer below 0 degrees?
Select one:
A.
Decrease the prefuse time
B.
Lower the prefuse current
C.
Recalibrate the “Z” axis
D.
Warm the splicing area
The correct answer is: D
Warm the splicing area
According to the TIA-568.0-D standard, what components make up a cross-connect?
Select one:
A.
1 patch panel, a patch cord, and no equipment cable
B.
2 patch panels, a patch cord, and an equipment cable
C.
2 patch panels, no patch cord, and an equipment cable
D.
1 patch panel, no patch cord, and an equipment cable
The correct answer is: B
2 patch panels, a patch cord, and an equipment cable
Which verification test result would result in an inaccurate, if the NVP was not set correctly?
Select one:
A.
TDX
B.
Length
C.
PSNEXT
D.
NEXT
The correct answer is: B
Length
Which property of firestopping material causes it to absorb heat?
Select one:
A.
Endothermic
B.
Intumescent
C.
Ablative
D.
Elastomeric
The correct answer is: A
Endothermic
Which one of the TIA standards would you refer to for information about the grounding and bonding requirements for telecommunications?
Select one:
A.
TIA-606
B.
TIA-569
C.
TIA-568
D.
TIA-607
The correct answer is: D
TIA-607
What is measured when testing fiber loss?
Select one:
A.
A difference ratio in density change
B.
A difference ratio in macrobending
C.
A difference ratio in microbending
D.
A difference ratio in power
The correct answer is: D
A difference ratio in power
What type of hard hat is recommended for Construction work?
A.
Class G
B.
Class E, Type 1
C.
Class C, Type 2
D.
Class E, Type 2
E.
Class C, Type 1
The correct answer is: D
Class E, Type 2
How many sheets of plywood are required in a TR located on an 80,000 ft² floor space, where the ratio of floor area to plywood is 75:1?
Select one:
A.
34 sheets
B.
45 sheets
C.
32 sheets
D.
30 sheets
The correct answer is: A
34 sheets
Which of the following optical fibers would be used for a 2789 meter run?
The correct answer is:
When testing cable, what does a pass with an asterisk (*) indicate?
Select one:
A.
The test result is closer to the test limit than the measurement accuracy of the tester, but the cable does achieve an overall pass.
B.
The test results indicates a parameter is outside the standard limit, but the cable does achieve an overall pass.
C.
The test result is closer to the test limit than the measurement accuracy of the tester and the cable does not achieve an overall pass
D.
The test results indicates a parameter is outside the standard limit and the cable does not achieve an overall pass.
The correct answer is: A
The test result is closer to the test limit than the measurement accuracy of the tester, but the cable does achieve an overall pass.
What is insertion loss?
Select one:
A.
Insertion loss is the amount of light reflected back to the source
B.
Insertion loss is the same as attenuation
C.
Insertion loss is the same as return loss
D.
Insertion loss happens when the output is higher that the input
The correct answer is: B
Insertion loss is the same as attenuation
How is the position of fiber number 1 identified on an MPO connector?
Select one:
A.
The number one fiber is beside the female connector’s alignment pin
B.
The number one fiber is on the right side when looking at the endface with the key up
C.
The number one fiber is identified with a paint mark
D.
The number one fiber is beside the male connector’s alignment pin
The correct answer is: C
The number one fiber is identified with a paint mark
When testing NEXT, what does “worst case margin” indicate?
Select one:
A.
A quality rating for each pair combined tested
B.
The point (frequency) where NEXT test result is closest to the test limit
C.
The location along the cable that needs to be re-terminated
D.
The point (frequency) where NEXT test result is the highest
The correct answer is: B
The point (frequency) where NEXT test result is closest to the test limit
What does the vertical axis of the OTDR trace indicate?
TF-81 question
Select one:
A.
Scattering
B.
Attenuation
C.
Distance
D.
Wavelength
The correct answer is: D
Wavelength
Which wire map test cannot be done with a basic continuity-type tester?
Select one:
A.
Split pairs
B.
Transposed pairs
C.
Reversed pairs
D.
Open pairs
The correct answer is: A
Split pairs
How is a direct attached link, a.k.a., modular plug termination link (MPTL) terminated?
Select one:
A.
Jacks at both ends of the link
B.
A jack in the field and a plug at the HC
C.
Plugs at both ends of the link
D.
A plug in the field and a jack at the HC
The correct answer is: D
A plug in the field and a jack at the HC
When plugging an MPO cord into active equipment (transceivers), what is the gender of the connector?
Select one:
A.
The cord connector needs to be female
B.
The cord connector needs to be male
C.
The gender of the cord connector is vendor dependent
D.
The gender of the cord connector can be either male or female
The correct answer is: A The cord connector needs to be female
What does the vertical axis of the OTDR trace indicate?
Select one:
A.
Scattering
B.
Attenuation
C.
Distance
D.
Wavelength
The correct answer is: D
Wavelength
What equipment is needed to find a defective copper connector?
Select one:
A.
Breakout box
B.
Wire map tester
C.
Visual fault locator
D.
Toner and wand
The correct answer is: B
Wire map teste
A 600-pair OSP feeder cable is terminated in a branch splice enclosure to two 300-pair OSP distribution cables. What is the minimum number of 25-pair straight connector modules for this enclosure?
Select one:
A.
12 modules
B.
96 modules
C.
24 modules
D.
48 modules
The correct answer is: C
24 modules
What equipment is required to bend a 4” rigid conduit?
Select one:
A.
Manual bender
B.
Hydraulic pipe bender
C.
Pneumatic bender
D.
Mandrel bender
The correct answer is: B
Hydraulic pipe bender
Which type of network topology uses a terminator?
Select one:
A.
Bus topology
B.
Hybrid topology
C.
Ring topology
D.
Star topology
The correct answer is: A
Bus topology
According to the TIA-569-D standard, what is the minimum vertical clearance required between a ladder rack in a ceiling and the ceiling tiles?
Select one:
A.
18 inches
B.
6 inches
C.
3 inches
D.
12 inches
The correct answer is: C
3 inches
What is the allowable ampacity for a 24 awg, 75 ºC, 8 conductor Class 2 power and Data circuit, when using only 4 conductors and bundled with 1 other cable?
A.
2.8 A
B.
1.4 A
C.
2.0 A
D.
1.96 A
The correct answer is: D
1.96 A
A fiber link indicates a loss of 10 dBm. How much light power is being received at the receiver?
Select one:
A.
1 mW
B.
10 mW
C.
100 µW
D.
10 µW
The correct answer is: C
100 µW
Which of the jack pin/pair assignments is backward compatible with 2-pair USOC configuration?
Select one:
A.
Either T568A or T568B
B.
T568B
C.
Neither T568A nor T568B
D.
T568A
The correct answer is: D
T568A
Given the components losses in the diagram below, what is the total loss of this link?
Select one:
A.
5.85 dB
B.
7.20 dB
C.
3.60 dB
D.
2.70 dB
The correct answer is: C
3.60 dB
Which of the following cable pulling lubricants provide the lowest pulling tension?
Select one:
A.
Wax based
B.
Water based
C.
Silicone based
D.
Powder based
The correct answer is: C
Silicone based
What instrument is required to measure the length of a coaxial cable?
Select one:
A.
Time delay reflectometer
B.
Time domain reflectometer
C.
OTDR
D.
Coaxial impedance tester
The correct answer is: B
Time domain reflectometer
During the inspection of the fiber with a microscope, which one of the following finishes, though not perfect, may still be acceptable?
Select one:
A.
Chipped and pitted face of fiber
B.
Crack through fiber
C.
Minor scratches in cladding
D.
Chipped core - cladding okay
The correct answer is: C
Minor scratches in cladding
Given the component losses in the diagram below, what is the total loss of this link?
Select one:
A.
7.10 dB
B.
3.55 dB
C.
5.00 dB
D.
5.05 dB
The correct answer is: B
3.55 dB
What is the relationship between wavelength and frequency?
Select one:
A.
Frequency is the square root of wavelength
B.
Frequency is inversely proportional to wavelength
C.
Frequency is proportional to wavelength
D.
Frequency is the square of wavelength
The correct answer is: B
Frequency is inversely proportional to wavelength
According to the TIA-569-D standard, what is the maximum number of 90º bends that may be placed between pull points of a horizontal conduit system?
Select one:
A.
4
B.
1
C.
2
D.
3
The correct answer is: C
2
According to the ANSI-568.3-D standard, what is the identifying colour of a APC optical fiber SC connector?
Select one:
A.
Beige
B.
Green
C.
Aqua
D.
Blue
The correct answer is: B
Green
What is the colour sequence for a modular plug configured for T568B?
Select one:
A.
W-Orange, Orange-W, W-Green, Blue-W, W-Blue, Green-W, W-Brown, Brown-W
B.
W-Blue, Blue-W, W-Orange, Orange-W, W-Green, Green-W, W-Brown, Brown-W
C.
W-Blue, Blue-W, W-Green, Green-W, W-Orange, Orange-W, W-Brown, Brown-W
D.
W-Green, Green-W, W-Orange, Blue-W, W-Blue, Orange-W, W-Brown, Brown-W
The correct answer is: A
W-Orange, Orange-W, W-Green, Blue-W, W-Blue, Green-W, W-Brown, Brown-W
What is done after fusing two fibers together?
Select one:
A.
Install splice protector
B.
Label and document splice joint
C.
Store excess fiber in splice tray
D.
Perform reflection test
The correct answer is: A
Install splice protector
What is the logical sequence of tests to find faults on an active fiber channel?
Select one:
A.
Fiber continuity. OTDR, power meter & light source, check link lights
B.
Power meter & light source, fiber continuity, OTDR, check link lights
C.
Check link lights, fiber continuity, power meter & light source, OTDR
D.
OTDR, power meter & light source, fiber continuity, check link lights
The correct answer is: C
Check link lights, fiber continuity, power meter & light source, OTDR
Which non-mechanical firestopping material should be used to temporarily seal an opening in a building?
Select one:
A.
Silicone foam
B.
Elastomeric modules
C.
Cementitious mix
D.
Pre-manufactured pillows
The correct answer is: D
Pre-manufactured pillows
According to the TIA-569-D standard, what is the maximum length of conduit allowed between pull points in a horizontal cable system?
Select one:
A.
100 meters
B.
300 meters
C.
30 meters
D.
90 meters
The correct answer is: C
30 meters
A 100BASE-TX switch uses two 25-pair cables to connect to a patch panel. What is the minimum number of patch panel jacks needed to terminate the two cables?
Select one:
A.
12
B.
50
C.
24
D.
25
The correct answer is: C
24
A bundle of cables in a TR are not labelled. What tool is used to identify the cables?
Select one:
A.
But set
B.
Toner/wand
C.
TDR
D.
Multi meter
The correct answer is: B
Toner/wand
How is an outdoor wireless access point (WAP) connected in a location where there are no nearby AC power outlets?
Select one:
A.
Connect the outdoor WAP to a nearby WAP using a cable pair splitter
B.
Connect the WAP directly to a non PoE capable switch
C.
Connect the WAP to a non PoE capable switch using a midspan device
D.
Connect the WAP with two Cat. 6A cables- one for power and one for data
The correct answer is: C
Connect the WAP to a non PoE capable switch using a midspan device
Which firestopping material should be used to seal a round opening in a concrete wall?
Select one:
A.
Cementitious
B.
Self leveling
C.
Intumescent foam
D.
Fiberglass insulation
The correct answer is: C
Intumescent foam
Which property of firestopping material causes it to develop a hard char when heated?
Select one:
A.
Intumescent
B.
Elastomeric
C.
Ablative
D.
Endothermic
The correct answer is: C
Ablative
What equipment is needed to find an active fiber strand?
Select one:
A.
Cable certificate test set
B.
Optical spectrum analyzer
C.
Fiber identifier
D.
Visual fault locator
The correct answer is: C
Fiber identifier
What equipment is needed to find a defective fiber connector?
Select one:
A.
Optical spectrum analyzer
B.
Visual fault locator
C.
Cable certification test set
D.
Fiber identifiers
The correct answer is: B
Visual fault locator
Which cable type has the equivalent fire rating of FT6?
Select one:
A.
CMP
B.
CRP
C.
CMG
D.
CPR
The correct answer is: A
CMP
If a patch panel is 4 Us high, how much space in inches will it take up on the rack?
Select one:
A.
8.75 inches
B.
1.75 inches
C.
5.25 inches
D.
7 inches
The correct answer is: D
7 inches
What equipment is needed to find the length of optical fiber on a reel?
Select one:
A.
Optical loss test set
B.
Time domain reflectometer
C.
Cable certification test set
D.
OTDR
The correct answer is: D
OTDR
According to the TIA-568-B.3 standard, what is the attenuation specification for one mated optical fiber connector pair?
Select one:
A.
0.75 dB
B.
1.0 dB
C.
0.50 dB
D.
0.25 dB
The correct answer is: A
0.75 dB
According to the TIA-568-B.3 standard, what is the attenuation specification for one optical fiber splice?
Select one:
A.
0.50 dB
B.
0.75 dB
C.
0.30 dB
D.
0.25 dB
The correct answer is: C
0.30 dB
Which wire map test cannot be done with a basic continuity-type tester?
Select one:
A.
Split pairs
B.
Transposed pairs
C.
Reversed pairs
D.
Open pairs
The correct answer is: C
Split pairs
What size is the SBB (TGB)?
Select one:
A.
0.25” x 2” x variable length
B.
0.25” x 4” x variable length
C.
0.25” x 4” x 24”
D.
0.25” x 2” x 19”
The correct answer is: A
0.25” x 2” x variable length
What does the horizontal axis of the OTDR trace indicate?
Select one:
A.
Scattering
B.
Distance
C.
Wavelength
D.
Attenuation
The correct answer is: B
Distance
What is the maximum amount of cable jacket that may be removed when terminating Category 6 cable?
Select one:
A.
Only as much as necessary to terminate
B.
13 mm (0.5 in)
C.
Unspecified
D.
25 mm (1.0 in)
The correct answer is: A
Only as much as necessary to terminate
Which firestopping material should not be used to seal a round opening in a concrete wall?
Select one:
A.
Self leveling caulk
B.
Ablative caulk
C.
Endothemic caulk
D.
Intumescent caulk
The correct answer is: A
Self leveling caulk
A hybrid optical fiber loose-tube cable, with 6 strands per tube, has 24 SM strands in the first series of tubes. What are the colours of the strand and the tube of the MM fiber strand 18?
Select one:
A.
Red tube, white strand
B.
Green tube, blue strand
C.
Red tube, blue strand
D.
Green tube, white strand
The correct answer is: A
Red tube, white strand
According to the ANSI-568.3-D standard, what is the identifying colour of a 62.5/125 µm mulimode optical fiber SC connector?
Select one:
A.
Yellow
B.
Orange
C.
Beige
D.
Blue
The correct answer is: C
Beige
What type of backbone cabling configuration scheme is outlined in the TIA-568.0-D standard?
Select one:
A.
Bus
B.
Tree
C.
Star
D.
Ring
The correct answer is: C
Star
According to the ANSI-568.0-D standard, what is the minimum bend radius for a 4-pair UTP?
Select one:
A.
12 times diameter
B.
10 times diameter
C.
8 times diameter
D.
4 times diameter
The correct answer is: D
4 times diameter
Which of the following represents the abbreviation “Gb/s” ?
Select one:
A.
Gigahertz per second
B.
Gigabaud per second
C.
Gigabit per second
D.
Gigabyte per second
The correct answer is: C
Gigabit per second
What is indicated by the following wire map?
Select one:
A.
Transposed pair
B.
Reversed pair
C.
Split pair
D.
Open pair
he correct answer is: D
Open pair
What is indicted by the following wire map?
TF-68 question
Select one:
A.
Crossed pairs
B.
Reversed pairs
C.
Transposed pairs
D.
Split pairs
The correct answer is: D
Split pairs
When certifying a Cat. 6A direct attached link, or a.k.a., modular plug termination link (MPTL). How is the certifying equipment configured?
Select one:
A.
A link adapter at one end and a patch cord adapter at the other end
B.
Channel adapters at both ends
C.
A link adapter at one end and a channel adapter at the other end
D.
Link adapters at both ends
The correct answer is: A
A link adapter at one end and a patch cord adapter at the other end
