A network that covers a small geographical area, located on one site
A network that connects WANs that are in different geographical locations
A network that connects only through a wireless connection
A network that connects only through Ethernet cables
Questão 2
Questão
Tick all advantages of using a LAN:
Responda
Sharing files is easier
You can share hardware such as printers
You can install and update software on all computers at once
You can communicate cheaply and easily
Questão 3
Questão
What is a WAN?
Responda
A network that connects different LANs that are in different locations
The network that is the Internet
A network that covers a small geographical area located on a single site
A network that uses star topology
Questão 4
Questão
How else is a WAN different from a LAN?
Responda
Organisations hire infrastructure from telecommunications companies who own and manage the WAN
It is much cheaper and more easy to set up
It is often found in schools, universities and businesses
Questão 5
Questão
Is the internet an example of a LAN or a WAN?
Responda
LAN
WAN
Neither
Both
Questão 6
Questão
What is bandwidth?
Responda
The amount of data that can be transferred in a given time
The are that the network you are using covers
The length of the cables connecting the network
The number of devices connected to the network
Questão 7
Questão
Wired connections are generally faster and more reliable than wireless
Responda
True
False
Questão 8
Questão
What is a Network Interface Card?
Responda
A n internal piece of hardware that allows a device to connect to a network
A card that tells you how to connect your device to a network
A built in piece of hardware that connects to one network that your computer will use (but not more than one network)
Questão 9
Questão
NICs only exist for wired connections
Responda
True
False
Questão 10
Questão
What are switches?
Responda
They connect devices to a LAN
They switch the networks that the computer is using to make the connection secure
They change the bandwidth of the network
Questão 11
Questão
What so switches do (in more detail)?
They receive [blank_start]data[blank_end], in units called [blank_start]frames[blank_end], from [blank_start]one device[blank_end] and transmit this [blank_start]data[blank_end] to the device on the network with the correct [blank_start]MAC[blank_end] address.
Responda
data
instructions
IP addresses
frames
packets
packages
one device
registers
multiple devoces
data
instruction
IP address
MAC
IP
street
Questão 12
Questão
What are routers?
Responda
They transmit data between networks by directing packets to their destination
They connect devices to the internet
They connect devices to LAN networks only
Questão 13
Questão
How many different networks are routers always connected to?
Responda
none
at least 1
at least 2
only one
three or more
twelve
Questão 14
Questão
What are the two most common Ethernet cables?
Responda
Cat 5e
Cat 5
Cat 3
Cat 6
Cat 4e
Dog 21
Questão 15
Questão
How many copper wires do Ethernet cables contain?
Responda
four pairs
two pairs
six pairs
one pair
Questão 16
Questão
How many copper wires are coaxial cables made from?
Responda
One
One pair
Three
Questão 17
Questão
What is the job of the layer of metallic mesh that is found around coaxial cables?
Responda
It shields the cable from outside interferance
It protects the cable from being broken
It ensures that some data can enter but some data cannot
Questão 18
Questão
How is data transmitted in Fibre Optic Cables?
Responda
As light
In packets
As sound
As mircowaves
Questão 19
Questão
What type of waves do wireless use to transmit data?
Responda
Radio
Mircro
Infrared
X-rays
Gamma
Questão 20
Questão
What is a Wireless Access Point (WAP)?
Responda
A switch that allows a device to connect wirelessly
A location where you can get a wireless connection
A location at which you must connect wirelessly
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