00418nam a2200145Ia 4500008004100000020001500041041000800056082001600064100002000080245009100100250000600191260003900197300001400236650002200250210716s2002 xx 000 0 und d a8178087448 aeng a004.65 LINC aLindholm, Carl. aCisco networking academy: second- year companion guide.bSecond- year companion guide. a2 aNew DelhibPearson Educationc2002 axxxii,719 aComputer Networks