12931372
Descripción
Test por Susanna Alsop, actualizado hace más de 1 año
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Creado por Susanna Alsop
hace más de 6 años
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Pregunta 1
Pregunta
What is a LAN?
Respuesta
-
A network that covers a small geographical area, located on one site
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A network that connects WANs that are in different geographical locations
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A network that connects only through a wireless connection
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A network that connects only through Ethernet cables
Pregunta 2
Pregunta
Tick all advantages of using a LAN:
Respuesta
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Sharing files is easier
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You can share hardware such as printers
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You can install and update software on all computers at once
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You can communicate cheaply and easily
Pregunta 3
Pregunta
What is a WAN?
Respuesta
-
A network that connects different LANs that are in different locations
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The network that is the Internet
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A network that covers a small geographical area located on a single site
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A network that uses star topology
Pregunta 4
Pregunta
How else is a WAN different from a LAN?
Respuesta
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Organisations hire infrastructure from telecommunications companies who own and manage the WAN
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It is much cheaper and more easy to set up
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It is often found in schools, universities and businesses
Pregunta 5
Pregunta
Is the internet an example of a LAN or a WAN?
Respuesta
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LAN
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WAN
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Neither
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Both
Pregunta 6
Pregunta
What is bandwidth?
Respuesta
-
The amount of data that can be transferred in a given time
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The are that the network you are using covers
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The length of the cables connecting the network
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The number of devices connected to the network
Pregunta 7
Pregunta
Wired connections are generally faster and more reliable than wireless
Respuesta
- True
- False
Pregunta 8
Pregunta
What is a Network Interface Card?
Respuesta
-
A n internal piece of hardware that allows a device to connect to a network
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A card that tells you how to connect your device to a network
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A built in piece of hardware that connects to one network that your computer will use (but not more than one network)
Pregunta 9
Pregunta
NICs only exist for wired connections
Respuesta
- True
- False
Pregunta 10
Pregunta
What are switches?
Respuesta
-
They connect devices to a LAN
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They switch the networks that the computer is using to make the connection secure
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They change the bandwidth of the network
Pregunta 11
Pregunta
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.
Respuesta
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data
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instructions
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IP addresses
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frames
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packets
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packages
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one device
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registers
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multiple devoces
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data
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instruction
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IP address
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MAC
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IP
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street
Pregunta 12
Pregunta
What are routers?
Respuesta
-
They transmit data between networks by directing packets to their destination
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They connect devices to the internet
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They connect devices to LAN networks only
Pregunta 13
Pregunta
How many different networks are routers always connected to?
Respuesta
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none
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at least 1
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at least 2
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only one
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three or more
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twelve
Pregunta 14
Pregunta
What are the two most common Ethernet cables?
Respuesta
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Cat 5e
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Cat 5
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Cat 3
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Cat 6
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Cat 4e
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Dog 21
Pregunta 15
Pregunta
How many copper wires do Ethernet cables contain?
Respuesta
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four pairs
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two pairs
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six pairs
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one pair
Pregunta 16
Pregunta
How many copper wires are coaxial cables made from?
Respuesta
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One
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One pair
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Three
Pregunta 17
Pregunta
What is the job of the layer of metallic mesh that is found around coaxial cables?
Respuesta
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It shields the cable from outside interferance
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It protects the cable from being broken
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It ensures that some data can enter but some data cannot
Pregunta 18
Pregunta
How is data transmitted in Fibre Optic Cables?
Respuesta
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As light
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In packets
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As sound
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As mircowaves
Pregunta 19
Pregunta
What type of waves do wireless use to transmit data?
Respuesta
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Radio
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Mircro
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Infrared
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X-rays
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Gamma
Pregunta 20
Pregunta
What is a Wireless Access Point (WAP)?
Respuesta
-
A switch that allows a device to connect wirelessly
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A location where you can get a wireless connection
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A location at which you must connect wirelessly
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