"Combining the molecular, clinical, and historical aspects of virology, Understanding Viruses is a textbook for the modern undergraduate virology course. The text provides an introduction to human viral diseases. Additional chapters on viral diseases of animals; the history of clinical trials, gene therapy, and xenotransplantation; prions and viroids; plant viruses; and bacteriophages add to the coverage."--Jacket.

Consolidate your knowledge base with critical Security+ review CompTIA Security+ Review Guide, Fourth Edition, is the smart candidate's secret weapon for passing Exam SY0-501 with flying colors. You've worked through your study guide, but are you sure you're prepared? This book provides tight, concise reviews of all essential topics throughout each of the exam's six domains to help you reinforce what you know. Take the pre-assessment test to identify your weak areas while there is still time to review, and use your remaining prep time to turn weaknesses into strengths. The Sybex online learning environment gives you access to portable study aids, including electronic flashcards and a glossary of key terms, so you can review on the go. Hundreds of practice questions allow you to gauge your readiness, and give you a preview of the big day. Avoid exam-day surprises by reviewing with the makers of the test—this review guide is fully approved and endorsed by CompTIA, so you can be sure that it accurately reflects the latest version of the exam. The perfect companion to the CompTIA Security+ Study Guide, Seventh Edition, this review guide can be used with any study guide to help you: Review the critical points of each exam topic area Ensure your understanding of how concepts translate into tasks Brush up on essential terminology, processes, and skills Test your readiness with hundreds of practice questions You've put in the time, gained hands-on experience, and now it's time to prove what you know. The CompTIA Security+ certification tells employers that you're the person they need to keep their data secure; with threats becoming more and more sophisticated, the demand for your skills will only continue to grow. Don't leave anything to chance on exam day—be absolutely sure you're prepared with the CompTIA Security+ Review Guide, Fourth Edition.

Organize you email so that it works for you! Protect yourself from nasty spam, viruses, and worms.

Excellent for administrators of an NT network, this comprehensive and updated edition provides readers with the latest information on hacks, attacks and patches. The CD-ROM includes evaluation and demonstration versions of commercial firewalls, scanners and proxy servers, together with security tools for NT.