Review Questions

Now, it's time to check your knowledge. Answer the questions, and then check your answers, which can be found in the Solutions section at the end of the book:

1. What is the purpose of a web application firewall, and where is it normally placed?
2. What is Implicit Deny, and which two devices does it affect?
3. What is the firewall that does content filtering, URL filtering, and malware inspection?
4. Which network device connects two networks?
5. Which type of internal device connects users on the same network?
6. Which type of device hides the internal network from hackers on the internet?
7. What does an inline NIPS do?
8. Which type of IPS protects virtual machines from attack?
9. Which type of IPS is placed behind the firewall as an additional layer of security?
10. If you don't have a NIDS on your network, which device can passively monitor network traffic?
11. What is the difference between a signature and anomaly-based NIDS?
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