LANLocal Area Network LAN WANWide Area Network WAN LAN LAN LAN WAN
LAN LAN PC USB LAN LAN LAN HUB LAN HUB LAN LAN LAN 1 HUB
1 LAN LAN LAN IEEE() IEEE802.3 LAN 10BASE5 10Mbps 500m 10BASE2 10Mbps 185m 10BASE-T 10Mbps 100m 100BASE-TX 100Mbps 100m 100BASE-FX 100Mbps 2km 1000BASE-T 1Gbps 100m 1000BASE-LX 1Gbps 550m 1Gbps 5km bpsbits Per Second 1 AUI BNC
UTPRJ-45 LAN LAN IEEE802.11a 5.2GHz 54Mbps 11b11g IEEE802.11b 2.4GHz 11Mbps IEEE802.11g 2.4GHz 54Mbps 11b IEEE802.11n 2.4GHz/5GHz 300/450Mbps 11a11b11g LAN LAN WEPWired Equivalent Privacy 40 128 40 24 64bit WEPWEP WEP4064 5
WPAWi-Fi Protected Access WEP WEP SSIDService Set Identifier LAN WEP TKIPTemporal Key Integrity Protocol TKIPAESAdvanced Encryption Standard WPA2 Wi-Fi LAN Wi-Fi Alliance IEEE802.11a/ b/ g/ n LAN PDAiPod Wi-Fi Wi-Fi
LAN LAN LAN LAN LAN Web DBMS Web
2 TCP/IP ISDN 56kbps ISDN TA 64kbps128kbps
ADSL CATV FTTH ISDN ADSL 1.5Mbps 50Mbps CATV 10Mbps160Mbps 10Mbps1Gbps PDA W-CDMA 3 384Kbps 3G/HSPA HSDPA High-Speed Downlink Packet Access 14.4MbpsHSUPAHigh-Speed Uplink Packet Access 5.7Mbps Docomo FOMA 3G LTESuper 3G W-CDMA HSDPA 100Mbps / 50Mbps Docomo Xi 37.5Mbps 12.5Mbps 802.16e 75MbpsUQ WiMAX 40Mbps 10Mbps DC-HSDPA
E-mail @ xa11-000@jiu.ac.jp ID SMTP POP SMTPSimple Mail Transfer Protocol POP3Post Office Protocol 3 IMAP 4Internet Message Access Protocol JIU SMTP POP3 ID IMAP4
POP before SMTP ID SMTP POP3 ID POP before SMTP Web Web Web Internet ExplorerWindows SafariMac Firefox Google ChromeOpera firefox http://foxkeh.jp/downloads/ Web URLEnter http://index.html URL index.html URL F10 URL : / ~ Shift _ IE.co.jp URL CtrlEnter Yahoo yahoo CtrlEnter Web CtrlShift Ctrl
Web Yahoo! Google Yahoo! Japan http://www.yahoo.co.jp/ Google http://www.google.co.jp/ Google Google GmailGoogle EarthGooleMapBloggerYouTube GooNTT http://www.goo.ne.jp/ http://www.infoseek.co.jp/ http://www.excite.co.jp/ Evernote Web Twitter Facebook Gmail Firefox Googla Chrome Google OFF