It's no longer an option. Network security is essential to every corporation, organization, institution, and small business on the planet. Anyone working in IT or other computer-related professions must know the practical applications and standards for enforcing network security. Whether student, professor, or industry professional, this book will provide you with the most up-to-date, comprehensive coverage of vital Internet-based security tools and applications. Organized to provide critical information in the optimal sequence for classroom instruction and self-study, this book also serves as a useful reference for practicing system engineers, programmers, system managers, network managers, product marketers, system support specialists and other professionals. Stallings has expanded and updated his popular first edition of Network Security Essentials to include: *New discussion of Advanced Encryption Standard *Expanded discussion of Viruses, Worms, and Intruders *Key words and review questions for each chapter *Web site for instructor and student support at http: //www WilliamStallings.com/NetSec2e.html
Using an original and unprecedented multi-level analysis of access and use in low-income neighbourhoods, 'Digital Cities' tells the story of information technology use and inequality in American cities and metropolitan areas.
Using an original and unprecedented multi-level analysis of access and use in low-income neighbourhoods, 'Digital Cities' tells the story of information technology use and inequality in American cities and metropolitan areas.
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计算机网络
和美国西蒙与舒斯特国际出版公司合作出版
of widely separated networks , two “ half bridges ” are needed ( see Figures 14-6 and 14-7 , below ) . ... ( a ) Architecture tl , t8 User data t2 , t7 LLC - H User data t3 , t4 , 15 , to MAC - H LLC - H User data MAC - T ( b ) ...
The objective of this book is to provide an up-to-date survey of developments in computer security.
Internet and WWW 2: Internet Network Design, Implementation and Management
Companion CD-ROM The companion CD-ROM contains a test bank with over 200 practice questions and an electronic version of the text. This volume is part of the Exam Certification Guide Series from Cisco Press(r).
With link encryption, each vulnerable communications link is equipped on both ends with an encryption device.Thus,all traffic over all communications links is secured.Although this requires a lot of encryption devices in a large network ...