Competitive strategies for the information economy, network economics; Technologies and applications of telecommunications systems with emphasis on LANs and Internet technologies. Selection of technologies and configurations necessary to support business applications. Competitive, economic, and political factors that influence technology innovation in public and private organizations, domestically and internationally. Management of research and development: project selection, resource allocation, technology planning, management of development projects. Quality, manufacturing, and intellectual properly issues. Concepts in communication security, security issues in layered architecture, components of security models, IPSec, Transport layer security, SHTTP, IP encapsulation, VPNs, open PGP, Secret key and Public key cryptography , MD5, DES, Internet key Exchange, firewall and Internet Security protocols.