tailieunhanh - CCNA Wireless Official Exam Certification Guide part 4

CCNA Wireless Official Exam Certification Guide part 4 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. | Cisco Published 640-721 IUWNE Exam Topics Covered in This Part Describe WLAN fundamentals Describe basics of spread spectrum technology modulation DSS OFDM MIMO Channels reuse and overlap Rate-shifting CSMA CA Describe the impact of various wireless technologies Bluetooth WiMAX ZigBee cordless phone Describe wireless regulatory bodies standards and certifications FCC ETSI b g n WiFi Alliance Describe WLAN RF principles antenna types RF gain loss EIRP refraction reflection ETC Describe networking technologies used in wireless SSID WLAN_ID Interface VLAN trunking Describe wireless topologies IBSS BSS ESS Point-to-Point Point-to-Multipoint basic Mesh bridging Describe frame types associated unassociated management control data Part I Wireless LAN Fundamentals Chapter 1 Introduction to Wireless Networking Concepts Chapter 2 Standards Bodies Chapter 3 WLAN RF Principles Chapter 4 WLAN Technologies and Topologies Chapter 5 Antenna Communications Chapter 6 Overview of the WLAN Protocols Chapter 7 Wireless Traffic Flow and AP Discovery Chapter 8 Additional Wireless Technologies Chapter 9 Delivering Packets from the Wireless to Wired Network This chapter covers the following subjects Wireless Local-Area Networks A brief history of wireless networking and some of the basic concepts. How Bandwidth Is Achieved from RF Signals The frequency spectrum used in RF transmissions. Modulation Techniques and How They Work How binary data is represented and transmitted using RF .