00928nam a2200241   4500001001400000003000700014005001700021008004100038020001500079039010800094040000800202090002100210100002100231245007100252250001200323260004700335300003400382500006000416650003000476650002200506952014100528999001700669vtls000012121KUKTEM20251117142355.0060606t2004    xxu    gr    |0 1 0|eng |  a0534383173 9a201107131805bVLOADc200908141147dVLOADc200908141118dVLOADc200908131606dVLOADy200606141159zVLOAD  aUMP  aTK5105 .S53 2004  aShay, William A.00aUnderstanding data communications and networks /c William A. Shay  a3rd ed.  aBelmont, CA:b Thomson-Brooks/Cole,c 2004  axxv, 766 p.:b ill.;c 24 cm.  aIncludes bibliographical references, glossary and index00aData transmission systems00aComputer networks  00102lcc40708NFICa20000b20000d2019-09-04g73.46l0oTK5105 .S53 2004p0000009940r2019-09-04 00:00:00t1v73.46w2019-09-04yOPEN  c27993d27999