This book is an introduction to modern ideas in cryptology and how to employ these ideas. It includes the relevant material on number theory, probability, and abstract algebra, in addition to descriptions of ideas about algorithms and com plexity theory. Three somewhat different terms appear in the discussion of secure communications...

Think of the most common and challenging tasks that network administrators face, then read this book and find out how to perform those tasks, step by step. CompTIA Network + Lab Manual provides an inside look into the field of network administration as though you were...

• Provides thorough instruction for installing, configuring, and optimizing qmail
• Includes coverage of secure networking, troubleshooting issues, and mailing list administration
• Covers what system administrators want to know by concentrating on qmail issues relevant to daily operation
...

Health care has become one of India's fastest growing sectors in the past decade. A multitude of private players have entered this market, combining to offer high-quality health care and service in world-class hospitals and nursing homes all over India. It has been recognised that a professional approach to hospital administration and...