Please answer the below questions in question and answer format. 11.1 List and briefly define three classes of intruders. 11.2 What are two common techniques used to protect a password file? 11.3 Wh

Please answer the below questions in question and answer format.

• 11.1 List and briefly define three classes of intruders.
• 11.2 What are two common techniques used to protect a password file?
• 11.3 What are the three benefits that can be provided by an intrusion detection system?
• 11.4 What is the difference between statistical anomaly detection and rule-based intrusion detection?
• 11.5 What metrics are useful for profile-based intrusion detection?
• 11.6 What is the difference between rule-based anomaly detection and rule-based penetration identification?
• 11.7 What is a honeypot?
• 11.8 What is salt in the context of UNIX password management?
• 11.9 List and briefly define the four techniques used to avoid guessable passwords.