CCNA Security Official Exam Certification Guide (Exam 640-553)CCNA Security Official Exam Certification Guide is a best of breed Cisco® exam study guide that focuses specifically on the objectives for the CCNA® Security IINS exam. Senior security instructors Michael Watkins and Kevin Wallace share preparation hints and test-taking tips, helping you identify areas of... | | 2600: The Hacker Quarterly, Summer 20022600: The Hacker Quarterly, Summer 2002:
2600: The Hacker Quarterly is a quarterly American publication that specializes in publishing technical information on a variety of subjects including telephone switching systems, Internet protocols and services, as well as... | | Microsoft Voice and Unified CommunicationsThe telecommunications industry is changing in ways not thought possible. We, as a human race, are seeing a complete transformation in how human communication can be used throughout applications and devices, truly connecting people and processes, regardless of geography, at a speed of innovation that is incomprehensible. The future of these... |