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8 Cards in this Set
- Front
- Back
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What 2 types of antennas are used in WLANs?
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1. Omni Direction - transmits in all directions
2. Directional - transmits in only one direction |
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What is DCF and PCF?
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1. Distributed Coordination Function - listen before transmit (stop and wait ARQ)
2. Point Coordination Function - (virtual carrier sense method) (uses RTS and CTS signals) |
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What's the name of a bluetooth network?
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Piconet
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What does bluetooth use for data transmission?
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Frequency Shift Keying (FSK)
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What is the effective rate under perfect conditions for 802.11b for 1 user? for 10 users?
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9.6 Mbps, 960 Kbps
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What is the effective rate under perfect conditions for 802.11a and 802.11g for 1 user? for 10 users?
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34.4 Mbps, 3.4 Mbps
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What are 4 types of WLAN Security?
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1. Service Set Identifier (SSID)
2. Wired Equivalent Privacy (WEP) 3. Extensible Authentication protocol (EAP) 4. Wi-Fi protected Access (WPA) |
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What are 3 ways to improve WLAN performance?
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1. Improving device performance
2. Improving wireless circuit capacity 3. Reducing network demand |
