00476    a2200145   4500020001500000040003300015082001000048100002200058245009600080260004600176300003600222650002300258650002300281700002600304  a0534377807  aLibrary of CongressbEnglish00a004.61 aGallo, Michael A.10aComputer communications and networking technologies cMichael A. Gallo, William M. Hancock.  aPacific Grove, CA :bBrooks/Cole,cc2002.  axxiii, 632 p. :bill. ;c25 cm. 0aComputer networks. 0aTelecommunication.1 aHancock, Bill,d1957-