00682nam a22002177a 450000500170000002000220001704100080003908200260004710000260007324500810009925000130018026000380019330000420023165000140027365000220028765000350030965000430034470000200038770000220040785600350042920260827122011.0  a978-1-292-37406-2  aeng  223rd ed. a004.6bTAN  aTanenbaum, Andrew S.   aComputer networks cby Andrew S. Tanenbaum, Nick Feamster & David Wetherall   a6th ed.   aLondon bPearson Education c2021  axxii, 922p.; ill.; tables,; c30 cm.   aComputers  aComputer networks  aWireless information networks   aComputer networks - Security measures   aFeamster, Nick   aWetherall, David   uwww.pearsonglobaleditions.com