00504nam a22001457a 4500 0 0 0 0 fsd fsd 2021-09-02 Purchased: Allied Book Company 0 001.64404 SHA 76530 2021-09-02 00:00:00 1 BK 36912 36912 9789350141700 (pbk) 001.64404 SHA Sharma, Sanjay Data communications networks India S.K.Kataria and sons 2011 466 p. : ill. ; 24 cm. Includes references and index. Computer science Data transmission systems Computer networks OSI model Digital data Interfaces Interfaces Networking LAN FC BK