7: Wireless and Mobile Networks Flashcards
What are wireless networks?
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WGat are the elements of wireless networks?
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What does it mean for a wireless network to be in infrastructure mode?
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What does it mean for a wireless network to be in ad hoc mode?
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How do wireless links differ from wired ones?
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What is SNR?
Signal-to-noise.
What is BER?
Bit error rate.
What is the tradeoff between SNR and BER?
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What is the hidden terminal problem?
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What is signal attenuation?
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What is IEEE 802.11?
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What are the different versions of IEEE 802.11 and the differences between them?
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What is a base station in a LAN? What is it aka?
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What is a BSS?
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What are IEEE 802.11 channels?
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What does it mean for 802.11 hosts to associate with APs?
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What are SSIDs?
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What is passive and active scanning?
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How may collisions occur in IEEE 802.11?
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How may you avoid collisions in IEEE 802.11?
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How does CSMA/CA work with IEEE 802.11?
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How can IEEE 802.11 networks avoid data frame collisions completely using small reservation packets
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What is an RTS-CTS exchange?
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How does addressing work in 802.11 frames?
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What is rate adaptation in 802.11?
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What is power management in 802.11?
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