01026    a2200181   4500003000500000005001700005010001700022020001500039040000900054082001000063100002100073245007900094250001200173260005700185300003400242505054500276650002300821Nust20170207154159.0  a   92041469   a0131756052  cNust00a004.61 aBlack, Uyless D.10aComputer networks :bprotocols, standards, and interfaces /cUyless Black.  a2nd ed.  aEnglewood Cliffs, N.J. :bPTR Prentice Hall,cc1993.  axii, 436 p. :bill. ;c25 cm.  aIntroduction to computer networks (Page-1) Communications Between and Among Computers and Terminals (Page-32) Layered Protocols , Networks, and the OSI Model (Page-64) Polling/Selection Networks (Page-78) Satellite Networks (Page-113) Local Area Networks (Page-131) Switching and Routing in Networks (Page-166) The X.25 Network (Page-193) Digital Networks (Page-252) Public Networks and Carrier Offerings (Page-290) Personal Computer Networks (Page-311) The PBX and Data Communications Networks (Page-332) Upper-Level Protocols (Page-350)   0aComputer networks.