00611nam a22001577a 4500 9788120344662 (pbk) 004.6 SIN Singh, Brijendra Data communications and computer networks New Delhi PHI Learning Private Limited 2011 xvi, 399 p. : ill. ; 23.5 cm. Includes glossary, bibliographical references and index. Computer science Computer networks Data transmission systems Computer network standard Network management Network security LAN (local area network) FC BK 0 0 0 0 fsd fsd 2018-03-08 Purchased: 554.35 0 004.6 SIN 41069 2022-12-08 00:00:00 1 2018-03-08 BK 0 0 0 1 fsd fsd 2018-03-08 Purchased: 554.35 0 004.6 SIN 41070 2018-03-08 00:00:00 2 2018-03-08 BK 21627 21627