82 what services are provided by ipsec 83 what

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8.2 What services are provided by IPsec? 8.3 What parameters identify an SA and what parameters characterize the nature of a particular SA? 8.4 What is the difference between transport mode and tunnel mode? 8.5 What is a replay attack? 8.6 Why does ESP include a padding field? 8.7 What are the basic approaches to bundling SAs? 8.8 What are the roles of the Oakley key determination protocol and ISAKMP in IPsec?
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9. 9.1 List and briefly define three classes of intruders. 9.2 What are two common techniques used to protect a password file? 9.3 What are three benefits that can be provided by an intrusion detection system? 9.4 What is the difference between statistical anomaly detection and rule-based intrusion detection? 9.5 What metrics are useful for profile-based intrusion detection? 9.6 What is the difference between rule-based anomaly detection and rule-based penetration identification? 9.7 What is a honeypot? 9.8 What is a salt in the context of UNIX password management? 9.9 List and briefly define four techniques used to avoid guessable passwords. 10. 10.1 What is the role of compression in the operation of a virus? 10.2 What is the role of encryption in the operation of a virus? 10.3 What are typical phases of operation of a virus or worm? 10.4 What is a digital immune system? 10.5 How does behavior-blocking software work? 10.6 In general terms,how does a worm propagate? 10.7 Describe some worm countermeasures. 10.8 What is a DDoS?
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