Chapter Review Questions

The following questions assist in reinforcing the concepts covered in this chapter.

1. What are the six security design concepts you should consider when looking at the security technologies for securing your network?

2. What rule is always implicitly present at the end of every packet filter?

3. When a device performs stateful packet inspection, what characteristics in a packet’s header are inspected, and why are they important?

4. What are some limitations of stateful packet inspection?

5. Define the differences between public and private IP addresses.

6. Compare and contrast the three different versions of NAT, and identify which of them is the most commonly used.

7. What are the two types of proxy firewalls?

8. Why is content filtering so important to networking?

9. What is the potential value of PKI to securing a network and e-commerce?

10. AAA provides security for what aspect of a network?

11. Search the Internet and find three potential vendors that can offer an effective RADIUS solution. Describe what features about each are beneficial.