ZyXEL Communications NWD-170 - Guía de usuario descargar pdf (Pagina 54)

Chapter 4 ZyXEL Utility - Station Mode

NWD-211AN User’s Guide

4.1.1 What You Can Do in This Section

•On the Link Info screen, you can see your current connection details, monitor

signal strength and quality, and more. See Section 4.3 on page 56 for details.

•On the Site Survey screen, you can connect to any available unsecured

wireless network in range of the NWD-211AN, or open the security settings

screen for any secured wireless network in range. See Section 4.4 on page 58

for details.

•On the Profile screen, you can create, delete and manage your wireless

network profiles. See Section 4.5 on page 65 for details.

•On the Adapter screen, you can configure the NWD-211AN hardware, such as

activating WPS mode or its power saving feature. See Section 4.6 on page 71

for details.

4.1.2 What You Need to Know

The following terms and concepts may help as you read through this section.

Wired Equivalent Privacy (WEP)

WEP (Wired Equivalent Privacy) encrypts data transmitted between wired and

wireless networks to keep the transmission private. Although one of the original

wireless encryption protocols, WEP is also the weakest. Many people use it strictly

to deter unintentional usage of their wireless network by outsiders.

Wi-Fi Protected Access (WPA)

The WPA protocol affords users with vastly stronger security than the WEP

protocol. It comes in two different varieties: WPA and WPA2. The original

implementation of the WPA encryption algorithm relied on TKIP encryption to

ensure maximum backwards-compatibility with WEP-compliant systems. The

second interation, WPA2, abandoned TKIP and utilized a more modern, more

secure algorithm known as CCMP. As such, whenever possible use the WPA2

version instead of the older WPA version.

Pre-Shared Key (PSK)

A pre-shared key is a password shared between the server and the client that

unlocks the algorithm used to encrypt the data traffic between them. Without the

proper password, the client and the server cannot communicate.

Extensible Authentication Protocol (EAP)

An enhanced security framework designed to improve an existing security

protocol, such as WPA-PSK or WPA2-PSK. This does not actually encrypt data;

that task is left for the encryption algorithm, in this case either WPA or WPA2.

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ZyXEL Communications NWD-170 - Guía de usuario Pagina 54