Chapter 12

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Transcript Chapter 12

Wireless Technologies
Networking Essentials
Chapter 12 – Part 2
Fall, 2012
Installing a Wireless Network
You need two things to go wireless:
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Two modes (service sets)
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Infrastructure Mode (BSS)
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NICs only communicate with_____,
not with ______.
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All communication goes through ___.
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Wireless clients appear to other
clients as if they were ________.
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DS = connection between __ and __.
Ad hoc Mode (IBSS)
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NICs only communicate with_____,
not with ______.
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Not recommended today. Why not?
Important Terms
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SSID – 32-character identifier that
represents ________.
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ESS – when all WAPs are set to the
same ______.
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APs should overlap by __% or more
and be set to a different ___.
(Channel 1, 6, 11 for b/g. Huh?)
Signal Degradation
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Affected by:
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AP Configuration
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Default IP address will likely be _______.
You many want to reset it. Why?
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Define the subnet mask and host IPs.
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Access Point Mode or Bridging Mode?
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Password – uhhh, do we really need to
discuss this?
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Channel – like a television set
Wireless Security

War driving – remember Captain Zap?
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Open access mode – why does it even
exist?
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Use SSIDs to “join” a network (p.407)
Better Methods of Security
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RADIUS – set up through ______.
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WEP vs WPA – which is better?
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WPA vs WPA2 – which is better?
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WPA can use TKIP or AES – which is
better?
That’s pert near all.