Managing Cisco Network SecurityProviding good internetwork security and remaining current on new hardware and software products is a never-ending task. Every network security manager aims to achieve the best possible security because the risks are real and the stakes are high. An enterprise must decide what level of security is required, taking into account... | | Ionosphere and Applied Aspects of Radio Communication and RadarThis book describes the main aspects of radio propagation due to different natural and manmade phenomena occurring in ionospheric plasma. It discusses the possibility of stable radio communication links based on local scattering at field-elongated plasma inhomogeneities including natural inhomogeneities as well as artificial inhomogeneities. The... | | Programming Perl (3rd Edition)Perl is a powerful interpreted programming language that has matured steadily since it first appeared in 1988. The first edition of this book, Programming Perl, hit the shelves in 1990, and was quickly adopted as the undisputed Bible of the language. Since then, Perl has grown with the times, and so has this book. Programming... |