00524    a2200181   4500001000700000003000400007005001700011008004100028020001800069082001600087100002500103245006300128250001200191260006700203300002000270653002200290653003000312158125OSt20211130115045.0                                          a9781259064753  a004.6bF74D1 aForouzan, Behrouz A.1 aData communications and networkingcby Behrouz A. Forouzan  a5th ed.  aNew DelhibMcGraw Hill Education (India) Private Limitedc2019  axxxviii, 1226p.  aComputer networks  aData transmission systems