00590nam a2200205   4500001001400000003000700014005001700021020001500038040000800053100002200061245008100083250001200164260004000176300004800216500001900264650003000283650002200313650003200335700001700367vtls000001554KUKTEM20251117141546.0  a0471237981  aUMP  aFitzGerald, Jerry00aBusiness data communications and networking /cJerry FitzGerald, Alan Dennis  a6th ed.  aNew York:bJohn Wiley & Sons,c1999  axx, 491 p.:bill. (some col.), maps; 24 cm.  aIncludes index00aData transmission systems00aComputer networks00aOffice practicexAutomation12aDennis, Alan