00369nam a2200145Ia 4500003000400000005001700004008004100021020001800062082001000080100002500090245003900115250000800154260005000162300001100212TMU20250718154815.0160921s9999    xx            000 0 und d  a9780070634145  a004.6  aForouzan, Behrouz A.  aData Communications and Networking  a4th  bTata Mcgraw- Hill Publishingc2007aNew Delhi  a1134p.