Acer Aspire ES1-711 Network connections, Wireless networks, Components of a wireless LAN

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Internet and online security - 73

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.

Components of a wireless LAN

To set up your Wireless network at home you need to have the following:

Access point (router)

Access points (routers) are two-way transceivers that broadcast data into the surrounding environment. Access points act as a mediator between wired and wireless network. Most routers have a built-in DSL modem that will allow you access to a high speed DSL internet connection. The ISP (Internet Service Provider) you have chosen normally supplies a modem/router with the subscription to their

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Contents User’s Manual There are three great reasons for you to get an Acer ID Sign up for an Acer ID and enjoy great benefitsTable of Contents Playing Blu-Ray or DVD movies This section you will find Getting startedFirst Things First Basic care and tips for using your computerYour guides Turning your computer offTaking care of your AC adapter Taking care of your computerCleaning and servicing Screen view Your Acer Notebook TourIcon Item Icon Item Description Keyboard viewRight view Left viewInformation on USB Icon# Icon Item Description # Icon Description Base viewLock keys Using the KeyboardHotkeys Lock key DescriptionPg Up HomePg Dn EndKeyDescription Windows keysTouchpad basics TouchpadTouchpad gestures Swipe in from right Toggle the charms Creating a recovery backup RecoveryRecovery Creating a drivers and applications backup Click Create Drivers and Applications Backup Recovering your system Click Reinstall Drivers or Applications Reinstalling drivers and applicationsImages for reference only Click Open System Restore, then Next Returning to a restore pointReturning to an earlier system snapshot Returning your system to its factory condition Recovering from WindowsClick Restore Factory Settings Restore Factory Settings with Acer Recovery ManagementCustomized Restore with Acer Recovery Management Recovering from the hard drive during startupClick either Refresh your PC or Reset your PC Click Customized Restore Retain User DataRecovering from a recovery backup Reset your PC from the recovery backup Refresh your PC from the recovery backup Connecting with a cable Connecting to the InternetConnecting wirelessly Built-in network featureConnecting to a 3G network Connecting to a wireless LANEnabling and disabling Bluetooth Using a Bluetooth ConnectionEnable Bluetooth and add a device Using a Bluetooth connection Keeping your computer Data safe Boot sequence Bios UtilitySetting passwords Using passwords Using a computer security lockSecuring Your Computer Entering passwords Saving power Power ManagementDisable Fast startup Select Save changes Select Change settings that are currently unavailableBattery characteristics Battery PackCharging the battery Conditioning a new battery packOptimizing battery life Battery-low warning Checking the battery levelBattery rapidly Situation Recommended ActionTraveling with Your Computer Disconnecting from the desktopMoving around Preparing the computerWhat to bring to meetings Taking the computer homeTraveling with the computer Setting up a home officeWhat to take with you Special considerationsTraveling internationally What to bring with you Ports and connectors Connectivity options Memory Card ReaderMemory card reader Inserting a memory cardClick on the Safely Remove Hardware icon Removing a card from a memory card readerHeadphones and microphone Video and Audio ConnectorsHdmi Universal Serial BUS USB Got a question? Nothing appears on the screen Frequently Asked QuestionsNo audio is heard from the computer Printer does not work Keyboard does not respondWant to restore my computer to its original settings Requesting serviceInternational Travelers Warranty ITW Before you call How do I get to Start? Tips and hints for using WindowsWhat are Charms? How do I jump between apps? Can I boot directly to the desktop?How do I turn off my computer? How do I unlock my computer?Can I personalize the Lock screen? How do I set up the lock screen slideshow?How do I move tiles? Can I arrange tiles in groups?Can I change the screen resolution? How do I set the alarm?Adjust screen resolution Can I make tiles bigger or smaller?How do I make an app appear on Start? Where are my apps?How do I remove a tile from Start? What is a Microsoft ID account? Where can I get more information? How do I check for Windows updates?How do I add a favorite to Internet Explorer? Do I need one?Troubleshooting tips TroubleshootingError messages Error messages Corrective actionError messages Internet and Online Security Choose an Internet Service ProviderFirst steps on the net Protecting your computerDSL e.g. Adsl 3G Wwan or Wireless Wide-Area NetworkCable Components of a wireless LAN Wireless networksNetwork connections Diagram of a working network Wireless adapterTurning on/off a wireless network connection Network cable RJ45Security Surf the NetAcer website What is spyware? What is a virus?What is malware? DefinitionsHow to protect your computer What is a personal firewall?Protect your computer with security software Choose strong passwords and keep them safeProtect your personal information Review bank and credit card statements regularly Online offers that look too good to be true usually areHow do I know when my computer is at risk? Windows UpdatesProtect your computer with Windows security tools Region code Country or region Playing BLU-RAY or DVD Movies