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1 During the rough-in phase of your wiring project, you pull several wires from the staging area to individual work areas. Which other task should be accomplished during this phase?
The cable should be tested for standards compliance.
The cable should be labeled at both ends.
The cable should be terminated at both ends.
The cable should be terminated at the end that is not in the telecommunications room.
10.1.1 Overview
2 What is the difference between a swivel used in pulling cable and one that is used in pulling fiber-optic cable?
There is no difference.
The fiber-optic swivel can handle pulling tension exceeding 5000 pounds.
The fiber-optic swivel is designed to break away with pulling loads greater than 600 pounds.
The fiber-optic swivel can rotate even under heavy loads.
10.2.4 Pulleys and swivels
3 What is the purpose of a walk-through? (Choose two.)
It provides complete clarification as to what is missing or left undone.
It allows the installer to explain to the customer why certain things are left undone.
It verifies that the work has been done to the customer's satisfaction.
It provides the installer with a chance to suggest network enhancements to the customer.
It provides the installer with a chance to explain the installed technology to the customer.
12.4.1 Customer final walk-through
4 What is the IEEE 802 standard for wireless LAN technology?
802.11
802.3
802.8
802.7
6.2.4 The IEEE 802 Standards
5
What are two reasons why excess cable should be left at the location indicated by the arrow? (Choose two.)
to allow for easy removal and servicing of the faceplate
to minimize the amount of NEXT in the circuit
to allow for later re-termination of the jack
to allow for easy toning of the cable
to allow the jack to be easily relocated
11.1.2 Cutting cable to length
6 What color is the 14th pair of a 25-pair telecommunications cable?
white/orange
red/green
black/brown
yellow/blue
violet/slate
11.3.2 25-pair color code
7
When terminating a Cat5e cable to a 110 block, what is the role of the tool pictured?
to punch down the individual wires in the Cat5e cable
to properly seat C clips into the 110 block
to trim off excess cable from the 110 block
to punch down individual wires in the 110 block
11.3.3 4-pair color code
8 When making a crossover cable, which pairs are reversed?
1 and 2
2 and 3
3 and 4
1 and 3
7.4.6 Crossover cables
9
When terminating a Cat5e cable into the connector pictured, which two of the following statements are correct? (Choose two.)
Pair one always appears on pins 4 and 5.
Pair two always appears on pins 3 and 6.
Pair three always appears on pins 1 and 2.
Pair four always appears on pins 7 and 8.
11.3.3 4-pair color code
10 How is excess wire removed when terminating a Cat5e cable into an RJ-45 (mini-com) jack?
The excess wire is removed automatically when it is placed into the correct slots in the connector.
The excess wire is removed automatically when the front and back of the connector are locked together.
Excess wire must be manually removed with snips after the front and back of the jack are locked together.
Excess wire must be removed manually with snips before the jack is locked together.
Excess wire does not need to be removed from this type of connector.
11.3.6 RJ-45 plugs and jacks
11
Which statement describes the RJ-45 plug that is pictured?
It is terminated using the EIA/TIA 568A standard.
It is terminated using the EIA/TIA 568B standard.
It is terminated using the ISO 1673 standard.
It is terminated using the IEEE 1802 standard.
11.3.3 4-pair color code
12 When installing new cabling to expand an existing infrastructure, what should be done in regard to the UTP color-coding scheme.
EIA/TIA 568A should always be used for the new cabling infrastructure.
EIA/TIA 568B should always be used for the new cabling infrastructure.
The new cabling should follow the scheme that is currently in use.
The customer should be consulted as to which scheme to use and all existing and new cabling should conform to the scheme.
All new and existing cabling should be upgraded to the newer EIA/TIA 568B standard.
11.3.3 4-pair color code
13 What is the minimum bend radius that should be provided for connectors used in fiber-optic enclosures?
2.5 cm
5 cm
7.5 cm
10 cm
5.1.4 Enclosure systems and patch panels
14 Why is it acceptable to leave 1 m (3.3 ft) of fiber-optic cable in the outlet box during the rough-in phase?
This is required in case the outlet must be relocated.
Fiber-optic cable is not affected by attenuation so the extra length will not degrade performance.
The excess fiber-optic cabling is cut off before termination so it does not matter how much is left during rough-in.
The methods for terminating fiber-optic cable require the slack for cable manipulation.
11.1.2 Cutting cable to length
15 What are two reasons why it is important to generate a set of as-built diagrams for any network installation? (Choose two.)
This documentation is a requirement of EIA/TIA 569B.
This documentation will provide information required for troubleshooting.
This documentation is required to receive the final payment.
This documentation is required for future infrastructure enhancements.
This documentation explains the planned network infrastructure to the customer.
12.3.3 As-built documentation
16 Why is it necessary to provide customers with a permanent record of cable certification data? (Choose two.)
to provide evidence that the network infrastructure was installed exactly as planned
to provide proof that additional funds are required to improve network performance
to provide a record of quality and accuracy at the date of job completion
to provide a baseline measurement for network performance
12.3.3 As-built documentation
17 Which TIA/EIA standard addresses the Commercial Building Standard for Telecommunications Pathways and Spaces?
TIA/EIA-569-A
TIA/EIA-570-A
TIA/EIA-568-A
TIA/EIA-607
6.2.6 IEEE 802.11 (WiFi)
18 When running cable through a firewall, what is the purpose of fire-stopping?
stops drafts
stops sound
restores appearance
restores wall integrity
4.1.5 Codes and standards
19 A cabler is installing two RJ-45 jacks in a room down the hall from the TR. The horizontal cable run is approximately 89 m. The cabler notices that both 305 m (1000ft) boxes of cable have starting and ending numbers inscribed on the boxes. Box A has a starting number of 12,321 m and an ending number of 12,406 m. Box B has a starting number of 14,562 m and an ending number of 14,682 m. What is
true about the cable boxes?
Both boxes have enough cable.
Box A does not have enough cable and box B has enough cable.
Box A has enough cable and box B does not have enough cable.
Neither box has enough cable.
7.1.5 The labeling process
20 Three cables need to be pulled into a newly renovated office. If hash marks will be temporarily used to identify the cables, what is the correct number of marks and the correct location of the marks?
one mark 1 m (3 ft) apart on each end
one mark 2 m (6 ft) apart on each end
two marks 0.5 m (1.5 ft) apart on each end
three marks 1 m (3 ft) apart on each end
7.1.5 The labeling process
21 In the past, cables were tied into tight geometric patterns such as squares or rectangles. What are three disadvantages of tying cables together for long distances? (Choose three.)
Long, tightly-tied cable bundles eliminate crosstalk between cables.
Tied cable bundles make it difficult to perform a simple pull check.
Long, parallel cable runs may promote crosstalk between cables.
Forcing cables into such tight arrays may exert stress on them and cause bend radius problems.
Long, tightly-tied cable bundles promote the induction of electrons from high voltage lines.
7.5.6 Horizontal and Vertical Distribution (Backbone cabling)
22 What is the minimum gauge of wire that can be bonded to a TGB?
4 AWG
6 AWG
8 AWG
no minimum
7.3.6 Telecommunications grounding busbars
23 What is the preferred method of providing a ground for electrical systems?
connecting the ground wire to an existing ground electrode
connecting the ground wire to an underground water pipe
connecting the ground wire to a steel girder
connecting the ground wire to an existing lightning arrester
1.4.5 Grounding
24 What is the proper way to label a phone wall plate that is located in room 104 of the local library?
phone
104A
104 phone
library
7.1.4 Cable Documentation and Labeling
25 A pull check is going to be performed on a cable running through the ceiling from a cable box. What is the purpose of the pull check?
to check for any unwanted stress on the cable
to check to see if the cable was securely fastened
to test the strength member of the cable
to locate the other end of the cable
7.5.6 Horizontal and Vertical Distribution (Backbone cabling)
26 A cabler must restore the power and lights to a work area. The cabler locates the circuit breaker box and notices that it has a padlock on it. Which person should the cabler seek to have the padlock removed so that power can be restored?
property owner
construction site supervisor
team leader
worker who installed lock
1.5.10 Using Lockout/Tagout to control hazardous energy
27 Which two types of ladders are the most appropriate for working around electricity? (Choose two.)
wood
aluminum
fiberglass
steel
titanium
1.5.5 Proper use of ladders
28 A cable installer is running cable in a new building and the sounds coming from the construction site frequently exceed 110 decibels. Both ear plugs and ear muffs are located in an onsite toolbox. What should the cable installer do?
use the ear muffs
use the ear plugs
use the ear plugs and the ear muffs
nothing, since this is a normal range
1.6.4 Hearing protection
29 While undertaking an emergency splicing session on fiber-optic cable, several fiber-optic shards fall onto a worker's shirt. What is the safest action that the worker can take to remove the shards?
brush the shards into the trashcan with a small broom
use a paper towel to brush the shards off onto the floor
use two fingers to remove the shards and place them on the ground to sweep up later
use a piece of tape to remove the shards
1.5.6 Fiber-optic safety considerations
30 What is the main reason that fiber-optic scraps need to be disposed of properly?
The scraps may puncture trash bags.
The scraps are hazardous materials.
The scraps are recyclable.
The scraps are highly flammable.
1.5.6 Fiber-optic safety considerations
31 A work order states that there could be a break in a cable linking two buildings together. The buildings are about 1200 ft apart. Which tool would help pinpoint the location of any wiring fault, break, or other imperfection?
length domain reflectometer
time domain reflectometer
multimeter
spectrum analyzer
8.2.2 Time-domain reflectometers
32 During a job site visit, a safety inspector from an organization such as OSHA cited a worker for improper personal safety equipment since the worker's athletic shoes were not appropriate for the construction site. Which major concern is the inspector referring to?
The athletic shoes were out of style.
The athletic shoes outlined poor professionalism and did not match the image of the company.
The athletic shoes offered no protection against nails, scrap metal, and other materials that could puncture the soles.
The inspector deemed the athletic shoes to be in bad taste and socially unacceptable.
1.6.2 Work clothes
33 A worker notices that a pile of stacked papers is on fire at a job site. Which class of fire extinguisher is best suited to put out this fire?
Class A
Class B
Class C
Class D
1.5.8 Fire extinguisher use
34 The contractor who is installing a new cabling system informs the client that extra material should be bought. Although the building blueprints were used, they need a special fire-rated conduit to penetrate a wall and connect two adjacent rooms. In which phase of the project should this have been detected?
RFP publication
pre-bid meeting
bid calculation
RFP response
customer support site-walk
9.1.2 Presales and sales phase 9.2.3 Site survey
35 During the rough-in phase it is determined that two cables need to make a 50-degree turn in the last part of the pathway. Which devices will keep the cables from being damaged when turning around the corner?
bullwheels
quadrant blocks
pulleys
swivels
10.2.3 Bullwheels and quadrant blocks
36 ABC, Inc. is building a new conference room as an extension to its current corporate offices. During the rough-in phase, the cablers checked the path and discovered that the cables must be pulled along a concrete surface with a lot of irregularities. Which tools should be used to protect the cable from damage during pulling?
bullwheels
quadrant blocks
pulleys
swivels
10.2.4 Pulleys and swivels
37 It is known that for a particular conduit of size A, the maximum number of Category 6 cables that can fit inside is ten. If 16 Category 6 cables are required for a new installation, which option adheres to the common recommendation of maximum filling?
two size A conduits with eight cables each
two size A conduits with six cables each and one size A conduit with four cables
three size A conduits with five cables each and one size A conduit with one cable
two size A conduits with six cables each and two size A conduits with two cables each
four size A conduits with four cables each
10.3.4 Horizontal cable installation in conduits
38 ABC, Inc. is installing the backbone for its new high-speed network. To accomplish this, a fiber-optic cable must be pulled through 120 meters (392 ft) of conduit. How many pull boxes should be installed along the path?
one
two
three
four
five
10.3.4 Horizontal cable installation in conduits
39 In areas that do not use sheet rock for walls, what is an acceptable system for mounting an outlet box?
surface mount box with an orange innerduct
surface mount box with a plastic raceway
wireless outlet box
surface mount box with a wire running down the wall
10.2.6 Raceways
40 A customer is about to perform the final walk-through. What should the contractors do before this happens?
send an invoice to the customer
prepare a list of potential network enhancements for the customer
address all the issues in the punch-list
clean the site and prepare it for occupancy
12.4.1 Customer final walk-through
41 What is the purpose of the service loops that are commonly provided in fiber-optic installations for both backbone and workstation pulls?
to remove tension from the fiber that can cause it to break
to provide excess fiber in the event of a fiber break
to prevent the signal from leaving the fiber
to eliminate any possibility of macrobends or microbends
10.5.1 Special considerations for fiber-optic cables
42 What happens when the bend radius of a fiber-optic cable is exceeded? (Choose two.)
the media propagation index is decreased
microbends are created
macrobends are generated
attenuation is increased
FEXT effects are increased
10.5.1 Special considerations for fiber-optic cables
43
Based on the blueprint shown above, in which room can the technicians find the backbone conduit?
A
B
C
D
E
F
9.6.2 Installation icons and symbols
This item references content from the following areas: Panduit Network Infrastructure Essentials
44 What is the best device to use when determining the distance to a fault, such as an open or short, in a cable run?
jack tester
telephone test set
VOM
TDR
12.1.6 Time domain reflectometer (TDM)
45 Which features are used to distinguish twisted pair wire categories? (Choose three.)
number of twists
thermal rating
number of wires
data transmission speed
malleability
price
4.2.2 Wire grades
This item references content from the following areas: Panduit Network Infrastructure Essentials
46 When working with Screened Twisted Pair Cable (ScTP), it is important to make sure the screen or drain wire is connected at which point?
at a point on the cable closest to the building earthing system
at the user end of the cable only
attached to the brown and white cable at both ends
at each metallic band around every RJ-45 connector
should not be attached on any end
4.3.3 Screened Twisted Pair (ScTP)
47 The screen or drain wire in Screened Twisted Pair Cable (ScTP) should always be connected to which of the following?
the building equipment ground system by a special wire and drain connector
the building lightning protection ground system
the equipment bonding system at the patch panel
should not be connected as ground loops may occur
to the point where the face plate makes contact with the metallic floor duct
4.3.3 Screened Twisted Pair (ScTP)
48 How much wire should be coming out of the wall at the jack location after the termination has been completed and before the wall plate has been fastened to the wall?
3-5 cm (1.5-2 inches)
5-10 cm (2-4 inches)
15-20 cm (6-8 inches)
25-50 cm (10-20 inches)
11.1.2 Cutting cable to length
49 Which two of the following connectors are used to terminate coaxial cables? (Choose two.)
BNC
RJ-11
F type
DB-9
Amphenol
11.3.9 Coaxial cable connectors
50 During a visual inspection, which of the following conditions would require the re-termination of a network cable? (Choose three.)
cracked RJ-45 (mini-com) jack
jacket of cable not crimped in the RJ-45
RJ-45 terminated in the T-568A configuration
cable jacket and possibly wire insulation scraped or damaged within 5 cm (2 in.) of termination
cable mislabeled
11.3.6 RJ-45 plugs and jacks
51 The team leader for a cabling crew has just completed cabling a two-story office building. Now the team has to label and terminate dozens of cables. Each end of each cable must be identified so that it can be labeled and terminated. Some of the cable markings rubbed off during the pulling of the cable. Which tool would the team leader select to help the team find the few wires that are not marked?
deep scanning sensor
cable caster
CJST cable preparation tool
tone and probe set
8.2.6 Tone and probe sets
52 During testing it is discovered that cables are failing to make a continuous path from end to end. Which term describes this condition?
split pairs
short
opens
crosstalk
12.1.1 Overview