Which term describes the hardware inside a computer that lets it connect to other computers and to the internet?
Network interface card
What is meant by a switch?
A device that connects the devices in one LAN and sends data only to the correct device
What is the name for the device that sits between two different networks and allows data to pass between them?
Router
What is meant by a wireless access point?
A device that lets laptops and smartphones join a network wirelessly using WiFi
Which term describes a thin strand of glass or plastic that carries data as pulses of light?
Fibre optic cable
What is meant by a multifunction device?
One box that acts as a router, a switch and a wireless access point
What do Ethernet copper cables use to carry data?
Electrical signals
Why can an Ethernet copper cable only carry data for about 100 metres?
The electrical signal becomes too weak to read
A company wants to link two offices 3 km apart with a fast, reliable connection. Which cable should it use?
Fibre optic cable
A laptop has a network interface card rated at 1 Gbps. What does this rating describe?
The maximum speed it can send and receive data
A tablet has no Ethernet port, but it can still join the school network. How does it do this?
It uses a wireless network interface card
Why do data packets often pass through several routers on their journey across the Internet?
The Internet is many networks joined by routers
How does a wireless access point usually connect to the rest of the network?
With an Ethernet cable to a switch
A school is cabling a small computer room inside one building. Why might it choose copper Ethernet cable instead of fibre optic cable?
Copper cable is cheaper to buy
People often call the single box in a home network a router. Why is this not quite right?
The box also works as a switch and an access point
A long cable run next to electrical equipment keeps losing data. Why would replacing the cable with fibre optic cable help?
Light in fibre is not affected by electrical interference
A school wants its computers to share files and use one Internet connection. Why does it need specialised hardware such as switches and routers?
To connect the computers and move data between them
In a typical school network, which list shows the order that data travels from a computer to the Internet?
Computer, switch, router, Internet
A computer has a network interface card rated at 100 Mbps. It is connected by cable to a switch that runs at 1 Gbps. What speed will data travel between them?
100 Mbps
Which statement explains why fibre optic cable can carry data faster than copper Ethernet cable?
Data travels as pulses of light instead of electrical signals
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