Exam Essentials
Know the different 802.11 standards. Standards you should be familiar with are 802.11a, 802.11b, 802.11g, and 802.11n. 802.11a transmits up to 54Mbps in the 5GHz range. 802.11b transmits up to 11Mbps in the 2.4GHz range. 802.11g is backward compatible with 802.11b and transmits 54Mbps in the 2.4GHz range. The newest one, 802.11n, is backward compatible with all of them and can achieve throughput of 600Mbps communicating in both the 2.4GHz and 5GHz ranges.
Understand security protocols used for wireless networking. Listed in order from least to most secure, the common wireless security protocols include WEP, WPA, and WPA2. WPA uses TKIP and WPA2 uses AES.
Know the different types of available broadband connections. Broadband ...
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