Internet and online security - 91
internet while away from home. The socket for a SIM card
may be built in to your computer, or may require an external
device, such as a USB modem or even an appropriately
equipped mobile phone.
Network connections
A LAN (Local Area Network) is a group of computers (for
example, within an office building or home) that share a
common communications line and resources. When you set
up a network, you can share files, peripheral devices (such
as a printer) and an internet connection. You can set up a
LAN using wired technologies (such as Ethernet) or wireless
technologies (such as Wi-Fi or Bluetooth).
Wireless networks
A wireless LAN or WLAN is a wireless local area network,
which may link two or more computers without using wires.
Setting up a wireless network is easy and allows you to
share files, peripheral devices and an internet connection.
What are benefits of a wireless network?
Mobility
Wireless LAN systems allow you and other users of your
home network to share access to files and devices
connected to the network, for example a printer or scanner.
Also you can share an internet connection with other
computers in your home.
Installation speed and simplicity
Installing a wireless LAN system can be fast and easy and
eliminates the need to pull cables through walls and ceilings.
If your computer includes a SIM card slot, you require a
compatible SIM card and a contract with a cellular provider.
Before using the cellular features, check with your service
provider to see if any additional charges will be incurred, especially
roaming charges.
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