TY - BOOK AU - Dumas, M. Barry AU - Schwartz, Morris TI - Principles of computer networks and communications SN - 9780137142293 AV - TK 5105.5 D85P 2009 PY - 2009/// CY - Upper Saddle River, NJ PB - Pearson Prentice Hall KW - COMPUTER NETWORKS N1 - Includes index; The modern signal carriers : electricity, light, media, and impairments -- Signal fundamentals -- Encoding : representing information -- Error control -- Communications connections -- Digital communication techniques -- Comprehending networks -- Local area networks -- Circuit switching, the telcos, and alternatives -- Packet switched wide area networks -- Internetworking and the Internet -- TCP/IP, associated Internet protocols, and routing -- Wireless networks -- Network security -- Network management -- Planning, designing, and implementing a network -- The future of network communications ER -