Bedienungsanleitung Sony VGN-TT11M (Seite 64 von 227) (Englisch)

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Using Your VAIO Computer

Using Wireless LAN (WLAN)

Using the Sony Wireless LAN (WLAN), all your digital devices with built-in WLAN function communicate freely with each other

through a network. A WLAN is a network in which a user can connect to a Local Area Network (LAN) through a wireless (radio)

connection. This eliminates the need to pull cables or wires through walls and ceilings.

The Sony WLAN supports all normal Ethernet connectivity, but with the added benefits of mobility and roaming. You can still

access information, Internet/intranet and network resources, even in the middle of a meeting, or as you move from one place

to another.

You can communicate without an access point, which means that you can communicate with a limited number of computers

(ad-hoc). Or you can communicate through an access point, which allows you to create a full infrastructure network.

✍

In some countries, using WLAN products may be restricted by the local regulations (e.g. limited number of channels). Therefore, before activating the

WLAN function, read the wireless LAN regulations guide carefully.

WLAN uses the IEEE 802.11a

/b/g standard or the IEEE 802.11n

draft standard, which specifies the used technology. The standard includes the

encryption methods: Wired Equivalent Privacy (WEP), which is a security protocol, Wi-Fi Protected Access 2 (WPA2), and Wi-Fi Protected Access

(WPA). Proposed jointly by the IEEE and Wi-Fi Alliance, both WPA2 and WPA are specifications of standards based on interoperable security

enhancements that increase the level of data protection and access control for existing Wi-Fi networks. WPA has been designed to be forward

compatible with the IEEE 802.11i specification. It utilizes the enhanced data encryption TKIP (Temporal Key Integrity Protocol) in addition to user

authentication using 802.1X and EAP (Extensible Authentication Protocol). Data encryption protects the vulnerable wireless link between clients and

access points. Besides that, there are other typical LAN security mechanisms to ensure privacy, such as: password protection, end-to-end encryption,

virtual private networks, and authentication. WPA2, the second generation of WPA, provides stronger data protection and network access control and

is also designed to secure all versions of 802.11 devices, including 802.11b, 802.11a, 802.11g, and 802.11n draft standard, multi-band and multi-

mode. In addition, based on the ratified IEEE 802.11i standard, WPA2 provides government grade security by implementing the National Institute of

Standards and Technology (NIST) FIPS 140-2 compliant AES encryption algorithm and 802.1X-based authentication. WPA2 is backward compatible

with WPA.

* See the online specifications to find out whether your model supports the IEEE 802.11a standard and/or the IEEE 802.11n draft standard.

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