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• Certified Wireless Network Expert The Certified Wireless Network Expert should understand wireless network design, protocol analysis, and spectrum analysis. The expert must handle issues related to wireless voice-over-Internet protocol (VoIP), intrusion detection and prevention, performance, and QoS analysis. The professional must find solutions for complex wireless problems within a large networking system. The certified technician must have expert knowledge about Wireless LAN standards, wireless network architecture, WLAN operation, and other subjects. The professional should be able to install, configure, and troubleshoot any issues related to wireless network products and network administration. It is the responsibility of the certified wireless network expert to take care of the controller discovery methods of layer 2 and layer 3 roaming, and wireless controller configurations.