000 00279nam a2200109Ia 4500
008 230302s9999 xx 000 0 und d
082 _a621.38212NII
100 _aNIIT
245 _aBasics of Network Security Firewalls and VPNS
260 _aNEW DELHI
_b PEARSON
365 _cRS
999 _c147471
_d147471