CompTIA Security+™: Study Guide, Fourth Edition

Chapter 1. General Security Concepts

THE FOLLOWING COMPTIA SECURITY+ EXAM OBJECTIVES ARE COVERED IN THIS CHAPTER:

• 1.6 Explain the purpose and application of virtualization technology.

• 2.2 Distinguish between network design elements and components.

  • DMZ

  • VLAN

  • NAT

  • Network interconnections

  • NAC

  • Subnetting

  • Telephony

• 3.7 Deploy various authentication models and identify the components of each.

  • Biometric reader

  • Kerberos

  • CHAP

  • PAP

  • Mutual

• 3.8 Explain the difference between identification and authentication (identity proofing).

Security is unlike any other topic in computing. To begin with, the word is so encompassing that it is impossible to know what you mean just by ...