Chapter 5: Network Cabling Flashcards
A junior administrator is having issues connecting to a router’s console port using a TIA/EIA 568B standard cable and a USB serial to RJ-45 adapter, despite verifying terminal settings. What is the issue?
Group of answer choices
Router console ports are only used when connected to other routers.
The router console port is providing an Ethernet connection, instead of a serial connection.
The USB standard is incompatible with the serial connection used by the console port.
The cable must be a rollover cable.
The cable must be a rollover cable.
A typical fiber termination kit should include what tool for cutting a clean slice through fiber strands?
Group of answer choices
fiber stripper
fiber cleaver
fiber snipper
fiber saw
fiber cleaver
Both 10GBase-ER and 10GBase-EW have what maximum distance limitation on a segment of single mode fiber?
Group of answer choices
10km
300m
550m
40km
40km
Broadband cable Internet service and cable TV are most commonly delivered over long distances via what type of cable?
Group of answer choices
RG-6
RG-20
RG-59
LRG-50
RG-6
Noise that can degrade or distort a signal on a network is measured with what unit?
Group of answer choices
decibels
joules
volts
farads
decibels
PoE+ devices are defined by what IEEE standard?
Group of answer choices
802.3fc
802.3at
802.3af
802.3c
802.3at
Telephone connections follow what registered jack standard?
Group of answer choices
registered jack 12 (RJ-12)
registered jack 45 (RJ-45)
registered jack 100 (RJ-100)
registered jack 11 (RJ-11)
registered jack 11 (RJ-11)
The 1000Base-LX utilizes light with what wavelength?
Group of answer choices
1300 nanometers
1200 nanometers
850 nanometers
1550 nanometers
1300 nanometers
What is the fastest Ethernet standard that can possibly be used on twisted-pair cabling?
Group of answer choices
10TBase-T
10GBase-T
100Base-T
1000Base-T
10GBase-T
What is the industry standard angle for an Angle Polished Connector (APC)?
Group of answer choices
12 degrees
8 degrees
14 degrees
16 degrees
8 degrees
What is the minimum category of UTP cable required in order to support Gigabit speeds?
Group of answer choices
Cat 6
Cat 5e
Cat 3
Cat 5
Cat 5e
What kind of tool can you use to measure voltage on a cable length?
Group of answer choices
multimeter
light meter
continuity tester
time domain reflectometer
multimeter
What statement correctly describes “jitter”?
Group of answer choices
Jitter is the fluctuation of a signal’s strength as it travels away from its source.
Jitter is what happens when packets experience varying amounts of delay and arrive out of order.
Jitter is the loss of 50% or more packets in a given data stream, causing a connection to falter.
Jitter is the transmission of signal onto unintended pairs in a copper cable.
Jitter is what happens when packets experience varying amounts of delay and arrive out of order.
What statement describes a transmission flaw that is occurring due to attenuation?
Group of answer choices
A customer’s video conferencing application is experiencing delay in audio and video that comes and goes.
A customer modem is continuously losing signal due to large distance from the transmitting device.
Two network interfaces are experiencing problems at the same time due to the cables having adjacent runs.
A network switch interface is dropping due to a powerful radio transmitter in the adjacent room.
A customer modem is continuously losing signal due to large distance from the transmitting device.
When terminating an Ethernet cable, about how far should the cable sheath extend into the plug?
Group of answer choices
1/5 inch
1/2 inch
4/5 inch
3/8 inch
3/8 inch
When viewing the pinout for T568B, what is the correct order of wire colors, starting at pin 1?
Group of answer choices
white/orange, orange, white/green, blue, white/blue, green, white/brown, brown
white/green, green, white/orange, blue, white/blue, orange, white/brown, brown
blue, white/blue, green, white/green, orange, white/orange, brown, white/brown
white/brown, brown, white/green, blue, white/blue, green, orange, white/orange
white/orange, orange, white/green, blue, white/blue, green, white/brown, brown
Which of the following statements correctly describes the SFP+ transceiver?
Group of answer choices
SFP+ provides the same function as GBICs and is more compact. It is theoretically capable of 5 Gbps.
SFP+ is the same size as SFP, and supports a theoretical maximum transmission speed of 16 Gbps.
SFP+ complies with the 802.3ba standard, allowing four channels in a single transceiver and supporting up to 40 Gbps data rates.
SFP+ supports up to 10 Gbps and is slightly larger than SFP, with lower power consumption than XFP.
SFP+ is the same size as SFP, and supports a theoretical maximum transmission speed of 16 Gbps.
Which statement accurately describes what near end crosstalk (NEXT) is?
Group of answer choices
NEXT is crosstalk that occurs between wire pairs near the source of a signal.
NEXT is crosstalk that occurs only when a cable segment exceeds the bend radius.
NEXT is crosstalk that occurs when an EMI source is near the data signal source.
NEXT is crosstalk that occurs near the opposite end of a signal source.
NEXT is crosstalk that occurs between wire pairs near the source of a signal.
You have been awarded a contract for wiring a new federal building. What twisted-pair wiring standard must you use?
Group of answer choices
TIA/EIA 568F
TIA/EIA 568A
TIA/EIA rollover
TIA/EIA 568B
TIA/EIA 568B
You’ve been handed a fiber with a 1.25-mm ferrule that requires a connector. What is the most commonly used connector for this ferrule size?
Group of answer choices
straight tip (ST)
Mechanical Transfer-Registered Jack (MTRJ)
local connector (LC)
subscriber connector (SC)
local connector (LC)
