TAILIEUCHUNG - CCNA Wireless Official Exam Certification Guide part 34

CCNA Wireless Official Exam Certification Guide part 34 is a best of breed Cisco® exam study guide that focuses specifically on the objectives for the CCNA® Wireless IUWNE exam. Senior instructor Brandon Carroll shares preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills. Material is presented in a concise manner, focusing on increasing your understanding and retention of exam topics. | 302 CCNA Wireless Official Exam Certification Guide Step 3. Select Network. This opens the network configuration page as shown in Figure 16-5. From here you can select AirPort. Figure 16-5 Network Configuration on the Mac OSX Step 4. You can access any already discovered network create an ad hoc network or join another network. How the AirPort Extreme Tool Works When you access the main AirPort configuration interface in Mac OSX and above you can disable the card join networks and even perform advanced configurations. To access the main AirPort interface click the Open Apple icon and select System Preferences Network. If you want to create a profile select the Network Name drop-down menu. Here you can choose Join Other Network or Create Network. The Create Network option allows you to set up an ad hoc network of computer-to-computer connectivity without using an AP. By selecting the Join Other Network option you can enter an SSID and use the dropdown to select any security settings that may be necessary as shown in Figure 16-6. As an alternative you can join any networks that AirPort has already discovered by selecting the Network Name drop-down and choosing one of the networks as shown in Figure 16-7. If security settings are required you are prompted. Chapter 16 Wireless Clients 303 Figure 16-6 Wireless Security Settings on Mac OSX Figure 16-7 Selecting the Network Name 304 CCNA Wireless Official Exam Certification Guide Using Linux to Connect to a Wireless LAN If you or a user within the network that you are involved in is using the Linux operating system you can certainly use it with a wireless network. Linux has both command-line and GUI interface-type tools for working with WLANs. The command-line tool is called iwconfig. It is similar to the ifconfig that you would use to work with Ethernet interfaces. Although this tool offers many capabilities Cisco has decided that it is outside the scope of the CCNA Wireless certification. Still you need to be able

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