Book excerpt: Assess your readiness for CompTIA Security+ Exam SY0-301—and quickly identify where you need to focus and practice. This practical, streamlined guide walks you through each exam objective, providing "need-to-know" checklists, review questions, tips, and links to further study—all designed to help bolster your preparation. Reinforce your exam prep with a Rapid Review of these objectives: Network security Compliance and operational security Threats and vulnerabilities Application, data and host security Access control and identity management Cryptography This book is an ideal complement to the in-depth training of the Microsoft Press Training Kit and other exam-prep resources for CompTIA Security+ Exam SY0-301.