00561cam a22001812  4500001001100000005001700011008004100028020001700069040001500086100003400101245007100135250001200206260003000218300001000248650005700258650006100315852000300376000001963220151217152158.0110114s         xx           000 0 eng d  a0135009390 :  aKABUcKABU1 aPanko, Raymond R.@000017028810aBusiness data networks and telecommunications /cRaymond R. Panko.  a7th ed.  aLondon :bPearson,c2009.  a621p. 0aBusiness entriprisesxComputer networks.@0000179453 0aComputer networksxManagementxStudy guides.@00001794541