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ITE19 COAL > Wave 2 > Flashcards

Wave 2 Flashcards

1
Q

it can’t identify the source or intended destination of the information it receives, so it sends the information to all of the computers connected to it, including the one that sent it

A

hub

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2
Q

true or false: a hub can send or receive information, but it can’t do both at the same time

A

true

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3
Q

these can identify the intended destination of the information that they receive, so they send that information to only the computers that are supposed to receive it

A

switches

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4
Q

true or false: switches can send and receive information at the same time, so they can send information faster than hubs can

A

true

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5
Q

builds the connection with other bridge networks which use the same protocol

it connects two local area networks; two physical LANs into larger logical LAN or two segments of the same LAN that use the same protocol

A

bridge

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6
Q

at which layer does the bridge work at

A

data link layer

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7
Q

enable computers to communicate and they can pass information between two networks-such as between your home network and the internet

A

router

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8
Q

provide wireless access to a wired ethernet network

plugs into a hub, switch, or wired router and sends out wireless signals

enables computers and devices to connect to a wired network wirelessly

A

access points

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9
Q

access points are also called

A

base stations

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10
Q

allows multiple devices to be connected and managed in a more efficient manner

A

patch panel

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11
Q

give examples of uses of patch panels

A

computer networks, sound studios, television stations

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12
Q

a surface mounted box used in a commercial and industrial building to cleanly attach network cables

A

modular box (network)

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13
Q

true or false: modular box is commonly used in a structured network

A

true

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14
Q

modular box is also called

A

face plate

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15
Q

network peripheral for mounting network jack/connector into a keystone wall plate

A

network keystone module

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16
Q

network device used to regenerate or replicate a signal

used in transmission systems to regenerate analog or digital signals distorted by transmission loss

A

repeater

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17
Q

true or false: analog repeaters frequently can only amplify the signal while digital repeaters can reconstruct a signal to near its original quality

A

true

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18
Q

an 8-pin connection used for ethernet network adapters

A

rj45

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19
Q

wiring sequence of t568a

(hint: a stands for agreen)

A

white green
green
white orange
blue
white blue
orange
white brown
brown

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20
Q

wiring sequence of t568b

(hint: b stands for borange)

A

white orange
orange
white green
blue
white blue
green
white brown
brown

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21
Q

devic that is used to test the strength and connectivity of a particular type of cable

A

cable tester

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22
Q

hand tool used to connect telecommunications and network wires to a patch panel, punch down block, keystone module, or surface mount box

A

punch down tool

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23
Q

punch down tool is also called a

A

krone tool

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24
Q

device used to conjoin two pieces of metal by deforming one or both of them in a way that causes them to hold each other

A

crimping tool

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25
tool designed to remove the protective covering (jacket) off of a cable to expose the inner wires
wire stripper
26
the actual path over which an electrical signal travels as it moves from one component to another
network media
27
type of cabling used for telephone communications and most ethernet networks
twisted pair
28
a medium that is composed of pairs of wires used in a variety of networks. each of the eight individual copper wires in UTP cable is covered by an insulating material
unshielded twisted pair (UTP)
29
cable that combines the techniques of shielding, cancellation, and wire twisting. each pair is wrapped in a metallic foil. the four pairs of wires then are wrapped in an overall metallic braid or foil
shielded twisted pair
30
cable used in the transmission of video, communications, and audio. these also allow a broadband cable internet connection using a cable modem
coaxial cable
31
cable that runs in plenum spaces of a building
plenum cable
32
a separate space provided for air circulation for heating, ventilation, and air-conditioning
plenum
33
plenum is sometimes called
HVAC - heating, ventilation, and air conditioning
34
cable that contains optical fibers (usually glass) coated in plastic that are used to send data by pulses of light
fiber optic cable
35
allows only one mode (or wavelength) of light to propagate through the fiber; capable of higher bandwidth and greater distances than multimode, and it is often used for campus backbones
single-mode fiber cable
36
allows multiple modes of light to propagate through the fiber. it is often used for workgroup applications and intrabuilding applications such as risers. it uses light-emitting diodes (LEDs) as a light-generating device
multimode fiber
37
what is the maximum cable length of multimode fiber
2km (6561.7 feet)
38
uses radio frequencies (RF) or infrared (IR) waves to transmit between devices on a LAN
wireless communication
39
what is the key component for wireless LANs
wireless hub or access point used for signal distribution
40
what does BIOS mean
basic input/output system
41
rom chip found on motherboards that allows you to access and set up your computer system at the most basic level
BIOS
42
what does the BIOS include
includes instructions on how to load basic computer hardware includes a test referred to as a POST (power-on self-test) that helps verify the computer meets requirements to boot up properly
43
what does POST mean
power-on self-test
44
what if the computer does not pass the POST
you will receive a combination of beeps indicating what is malfunctioning in the computer
45
give the four main functions of BIOS
POST Bootstrap Loader BIOS drivers BIOS or CMOS setup
46
tests the computer hardware and make sure no errors exist before loading the operating system
POST
47
locates the operating system. if a capable operating system is located, the BIOS will pass control to it
Bootstrap Loader
48
low level drivers that give the computer basic operational control over your computer's hardware
BIOS drivers
49
configuration program that allows you to configure hardware settings including system settings such as computer passwords, time, and date
BIOS or CMOS setup
50
true or false: adding additional memory to a BIOS chip, as an upgrade, can only be done by physically removing it form the motherboard and replacing it with a new more advanced BIOS chip
true
51
the data on a BIOS chip can be updated if it is a ____ BIOS
flash
52
true or false: using specially designed software, the BIOS can be updated to fix problems or add new features for the motherboard
true
53
It is a type of configuration that enables users to connect similar devices such as, desktop to another desktop.
Crossover Configuration
54
It is a type of configuration that enables users to connect two dissimilar devices such as, desktop to switch.
Straight Through Configuration
55
True or false: A crossover is used to connect two Ethernet devices without a hub or for connecting two hubs/switches.
True
56
True or False: Looking at the RJ-45 with the clip facing away from you, Brown is always on the right, and pin 1 is on the left.
True
57
True or False: No more than 1/2" of the Ethernet cable should be untwisted otherwise it will be susceptible to crosstalk.
True
58
this also refers to a "surface mounted wire moulding" or a channel to run cables through that mounts on a wall, or a desk, or some other surface, concealing wires or cables so the setup looks nice and pretty
Raceway
59
A small, enclosed conduit usually made of plastic, that holds cables inside and is designed to run along walls. These provide better protection than staples or cable ties
Raceway
60
typically found in straight sections of various length and usually features a hinged latching top
latching raceway
61
designed to protect and conceal low voltage wires, cables, data, voice, and fiber optic. it is easily mounted to your wall and ceiling and has plenty of support by optional cable clips or other methods
crown raceway
62
a line maintenance tool that covers up wiring both indoors and out. these protect outdoor wires from the elements like rain, snow, the sun and even against some impact. these are low cost, light weight plastic moldings, extruded in rigid HIGH-IMPACT Underwriters Labs (UL) compliant PVC
Wire Guard
63
perfect for low voltage applications such as power and communications cabling it's modular design supports an easy-to-install system that protects cables from damage and reduces the amount of space needed for cable wiring and installation
cable runway support
64
provides an enclosed, protective raceway specifically designed for the needs of fiber.
fiber runner cable routing system
65
room where both public and private network service cables communicate with the outside world
entrance facility
66
a room with equipment that serves the users inside the building
equipment room
67
room that contains the telecommunications equipment that connects the backbone and horizontal cabling subsystems
telecommunications room
68
a system of cabling that connects the entrance facilities, equipment rooms, and telecommunications rooms
backbone cabling
69
the system of cabling that connects telecommunications rooms to individual outlets or work areas on the floor
horizontal cabling
70
these connect end-user equipment to outlets of the horizontal cabling system
work area components

ITE19 COAL (4 decks)

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