00431nam a2200157Ia 4500008004100000020001400041082001500055100001900070245004300089250000800132260003400140300002100174500000700195600002100202650005000223240925s9999    xx            000 0 und d  a782126952  a004.67 CHE  aChellis, James 0aMCSE Networking Essentials Study Guide  a3rd  aSan Francisco:bSybexc,2000.  axi,256p.bNAfNA  aNA  aComputer Science  aComputer science, information & general works