00554nam a22001937a 4500003000400000005001700004008004100021020001500062028000800077082001400085100002200099245005500121260004600176300003800222655002300260655003600283655002000319655002100339SNU20140830173610.0140830b        xxu||||| |||| 00| 0 eng d  a817635094X  aHCL  a004.6 SPO  aSportack, Mark A.  aNetworking essentials unleashedc/ Mark A Sportack  aIndianapolis, IN b: Sams Pub., c©1998.  axxiii, 575 p.b : ill.c ; 24 cm.  aComputer networks.  aNetworking essentials unleashed  aMark A Sportack  acomputer science