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paperback. Condición: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Pages Number: 263 Publisher: Posts Telecom Press Pub. Date :2004-06. book review on the basis of the development of information security. information security. summed up the characteristics of a comprehensive introduction to information security concepts. principles and knowledge systems. the main including physical security and protection. computer software security technology. backup technology. cryptography. authentication and digital signatures. network security. firewalls and intrusion detection technology. operating systems and web security. E-mail security and network encryption. database security. Computer viruses and prevention. and training and other aspects. This book seeks to tell a simple and easy to understand. pay attention to scientific and practical. and with a selection of examples. exercises and training to facilitate teaching and learning. Book as a vocational computer classes. classes and other professional information technology materials. also available in the information processing. communication security. military command and other professional engineering and technical personnel and management staff to read. but also to the Internet as a network administrator and personal the user s reference. Contents: Chapter 1 Introduction 1.1 Overview 1.2 computer information security threats to computer information systems classification and information security 1.3 key technology 1.4 1.5 computer system security level information systems security measures Exercises Chapter 2 physical security and physical security protection technology 2.1 Technical Overview 2.2 computer room space environment security 2.3 2.4 physical recording media access control protection and management of computer electromagnetic leakage and anti-2.5Four Satisfaction guaranteed,or money back.