00410    a2200157   4500001000700000003000400007005001700011008004100028082001700069100002300086245006200109250001200171260002900183300001000212653003000222067634OSt20211229151722.0                                          a004.68bS18L1 aStallings, William1 aLocal and metropolitan area networkcby William Stallings  a6th ed.  aNew DelhibPearsonc2010  a496p.  aComputer Science; Network