01074cam a22002894a 450000100090000000300040000900500170001300800410003001000170007102000150008803500220010304000180012504200080014305000220015108200140017310000210018724500710020825000120027926000650029130000340035650400510039065000310044165000230047285601060049585600910060185600920069213266858OSt20230621113241.0030709s2004    at a     b    001 0 eng    a  2003109625  a0534383173  a(DLC)  2003109625  aDLCcDLCdDLC  apcc00aTK5105b.S49 200400a004.62221 aShay, William A.10aUnderstanding data communications and networks /cWilliam A. Shay.  a3rd ed.  aAustralia ;aBelmont, Calif. :bThomson Brooks/Cole,cc2004.  axxv, 766 p. :bill. ;c25 cm.  aIncludes bibliographical references and index.00aData transmission systems.00aComputer networks.423Contributor biographical informationuhttp://www.loc.gov/catdir/enhancements/fy1302/2003109625-b.html423Publisher descriptionuhttp://www.loc.gov/catdir/enhancements/fy1302/2003109625-d.html413Table of contents onlyuhttp://www.loc.gov/catdir/enhancements/fy1302/2003109625-t.html