CCNA Security Official Exam Certification Guide (Exam 640-553)

Appendix D. Memory Tables

Chapter 1

Table 1-2. Government and Military Data Classification Example

Data Category	Description
Unclassified
Sensitive but unclassified (SBU)
Confidential
Secret
Top-secret

Table 1-4. Data Classification Characteristics

Characteristic	Description
Value
Age
Useful life
Personal association

Table 1-5. Types of Hackers

Type of “Hacker”	Description
White hat hacker
Black hat hacker
Gray hat hacker
Phreaker
Script kiddy
Hacktivist
Computer security hacker
Academic hacker
Hobby hacker

Table 1-6. Defending Against Different Classes of Attacks

Attack Class	Primary Layer of Defense	Secondary Layer of Defense
	Encryption	Applications with integrated security
	Firewall at the network edge	HIPS
	Protecting against ...