00701nam a22002057a 450000500170000001000150001702000260003203500140005803500170007203700130008908200100010210000210011224501200013325000120025326000680026527000990033330000250043270000190045770000190047620230724155710.0  aENG-121980  a9789332578210c669.00  aEN-105512  aB-684152-156  bDBAD/PUB  a005.8  aKaufman, Charlie  aNetwork security:cby Charlie Kaufman, Radia Perlman [and] Mike SpecinerbPrivate communication in a public world /  a2nd ed.  aUttar PradeshbPearson india education services Pvt. Ltd.c2017  a15th Floor,Tower-B,world trade tower,Plot no. 1,block-c,sector-16,noidabUttar Pradeshe201301  axxvi,638p.c24cm(Hb)  aPerlman, Radia  aSpeciner, Mike