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Glossary (cont.)
Category Item Descriptions Page
Advanced
setting of
connection
AD_HOC This is the mode in which computers communicate with each other
directly, rather than via access points.
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INFRASTRUCTURE
(infrastructure mode)
This is the mode in which communications are performed via the
access point.
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SSID Abbreviation for Service Set ID. The SSID identification code must
be set to distinguish equipment included in a wireless LAN that uses
access points from equipment not included in that LAN.
This may appear as the “ESSID” or the “network name” for wireless
LAN cards made by some manufacturers.
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Open System/
OPEN
This is an authentication of wireless signals employing a public key
encryptosystem.
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Shared Key/
SHARED
This is a secret key encryptosystem for wireless signals in which
authentication is performed with a key pre-set in the WEP.
Other terms for this method, in which the same key is used for both
encryption and decryption, are “shared key encryptosystem” and
“common key encryptosystem”.
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WPA-PSK This is a standard covering encryption methods used in wireless LAN.
It provides greater security than WEP, and has functions such as a
user authentication function and also TKIP (encryption protocol) which
automatically changes the encryption key at fixed intervals.
And this authentication requires no authentication server.
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WEP Abbreviation for Wired Equivalent Privacy. This is a method for
encrypting communication data. The encryption key is created and
notified only to the communicating user, so the communication data
cannot be decrypted by a third party.
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TKIP Abbreviation for Temporal Key Integrity Protocol.
This encryption protocol provides even greater security than WEP
because it changes the encryption key at fixed intervals.
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AES These are the US Government’s next-generation standard encryption
methods, the selection work of which is performed by the National
Institute of Standards and Technology (NIST).
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