Network Security FAQ: Firewalls
Q1. List three types of firewalls.
Q2. A TCP SYN flood attack is a form of DoS attack, which randomly opens up a number of TCP ports. True or False?
Q3. List the three types of inspection methodologies.
Q4. A stateless firewall can also inspect data content and check for protocol anomalies. True or False?
Q5. What are the two main interfaces of a PIX Firewall?
Q6. The PIX Firewall uses a proprietary algorithm. Which one?
Q7. Which of the following PIX interface security levels is valid?
a. Inside 0, Outside 100, DMZ 199
b. Inside 100, Outside 0, DMZ 199
c. Inside 100, Outside 0, DMZ 0
d. Inside 0, Outside 1-99, DMZ 100
Q8. Which of the following devices are stateless?
c. Check Point
d. Router with ACLs
Q9. What is NAT, and when is it used?
Q10. Content filtering or URL filtering occurs at what layer of the OSI reference model?
a. Layer 3
b. Layer 4
c. Layer 6
d. Layer 7