000			01033nam a22001817a 4500
008			120126t xxu||||| |||| 00| 0 eng d
050			_aHD30.335.S54
100			_aShelly, Gary B.
245			_aBusiness data communications : introductory concepts and techniques / _cGary B. Shelly
250			_a4th
260			_aAustralia: _bThomson; _c2004.
300			_axv + various pagings : _bcol. ill., col. maps ; _c28cm.
500			_aIncludes index.
505			_aContents: Introduction to communication -- Fundamentals of data communications -- Communications media, servers and clients -- Communication equipment -- Data transmission -- Protocols -- Network concepts -- Wide area and metropolitan area networks -- Local area networks -- Network security -- Internet -- Communications services -- E-business applications and business data communications industry -- Addressing the challenge of living in a connected world.
650			_aData transmission systems.
700			_aCASHMAN, Thomas J. SERWATKA, Judy A.
942			_2lcc _cBK
999			_c506 _d8006