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QUESTION
Week 8 8.1 What is the difference between RFC 5321 and RFC 5322? 8.2 What are the SMTP and MIME standards? 8.3 What is the difference between a MIME content type and a MIME transfer encoding? 8.4 B
Week 8
- 8.1 What is the difference between RFC 5321 and RFC 5322?
- 8.2 What are the SMTP and MIME standards?
- 8.3 What is the difference between a MIME content type and a MIME transfer encoding?
- 8.4 Briefly explain base64 encoding.
- 8.5 Why is base64 conversion useful for an e-mail application?
- 8.6 What is S/MIME?
- 8.7 What are the four principal services provided by S/MIME?
- 8.8 What is the utility of a detached signature?
- 8.9 What is DKIM?
Week 9
- 9.1 Give examples of applications of IPsec.
- 9.2 What services are provided by IPsec?
- 9.3 What parameters identify an SA and what parameters characterize the nature of a particular SA?
- 9.4 What is the difference between transport mode and tunnel mode?
- 9.5 What is a replay attack?
- 9.6 Why does ESP include a padding field?
- 9.7 What are the basic approaches to bundling SAs?
- 9.8 What are the roles of the Oakley key determination protocol and ISAKMP in IPsec?
Week 10
- 10.1 What are three broad mechanisms that malware can use to propagate?
- 10.2 What are four broad categories of payloads that malware may carry?
- 10.3 What are typical phases of operation of a virus or worm?
- 10.4 What mechanisms can a virus use to conceal itself?
- 10.5 What is the difference between machine-executable and macro viruses?
- 10.6 What means can a worm use to access remote systems to propagate?
- 10.7 What is a “drive-by-download” and how does it differ from a worm?
- 10.8 What is a “logic bomb”?
- 10.9 Differentiate among the following: a backdoor, a bot, a keylogger, spyware, and a rootkit? Can they all be present in the same malware?
- 10.10 List some of the different levels in a system that a rootkit may use.
- 10.11 Describe some malware countermeasure elements.
- 10.12 List three places malware mitigation mechanisms may be located.
- 10.13 Briefly describe the four generations of antivirus software.
- 10.14 How does behavior-blocking software work?
- 10.15 What is a distributed denial-of-service system?
