Difference in authentication and authorization

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1. What is the difference between authentication and authorization? Can a system permit authorization without authentication? Why or why not?

2. How is an application layer firewall different from a packet filtering firewall? Why is an application layer firewall sometimes called a proxy server?

3. What is a DMZ? Is this actually a good name for the function this type of subnet performs?

4. What is network footprinting? What is network fingerprinting? How are they related?

5. What is the Internet of Things and what special problems does it pose for securing an organization's network?

6. In a Table, list the key differences between symmetric and asymmetric encryption. Which can the computer process faster? Which lowers the costs associated with key management?

Reference no: EM133192677

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