00314nam a2200109Ia 4500008004100000041000800041082001400049100001700063245003600080250001100116260007700127231129s2006    xx            000 0 und d  aeng  a004.6/FOR  aB.A Forouzan  aData communication & Networking  a4th ed  aPrentice hall of India New DelhibPrentice hall of India New Delhic2006