Part I. Wireless LAN Fundamentals

Cisco Published 640-721 IUWNE Exam Topics Covered in This Part

• Describe basics of spread spectrum technology (modulation, DSSS, 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, 802.11a/b/g/n, Wi-Fi 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, 802.1q trunking)

• Describe wireless topologies (IBSS, BSS, ESS, Point-to-Point, Point-to-Multipoint, ...

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