| 1:
| List three types of firewalls. |
| A1:
| Answer: Three firewall types include hardware, software, and personal. |
| 2:
| A TCP SYN flood attack is a form of DoS attack, which randomly opens up a number of TCP ports. True or False? |
| A2:
| Answer: True. |
| 3:
| List the three types of inspection methodologies. |
| A3:
| Answer: Three types of inspection methodologies are packet filtering and stateless filtering, stateful filtering, and deep packet layer inspection. |
| 4:
| A stateless firewall can also inspect data content and check for protocol anomalies. True or False? |
| A4:
| Answer: False. |
| 5:
| What are the two main interfaces of a PIX Firewall? |
| A5:
| Answer: The two main interfaces of a PIX Firewall are the inside interface and the outside interface. |
| 6:
| The PIX Firewall uses a proprietary algorithm. Which one? |
| A6:
| Answer: The PIX Firewall uses the Adaptive Security Algorithm (ASA) proprietary algorithm. ASA is the decision-making part of the PIX. |
| 7:
| Which of the following PIX interface security levels is valid? Inside 0, Outside 100, DMZ 199 Inside 100, Outside 0, DMZ 199 Inside 100, Outside 0, DMZ 0 Inside 0, Outside 1-99, DMZ 100
|
| A7:
| Answer: b. The valid PIX interface security level is Inside 100, Outside 0, DMZ 199. |
| 8:
| Which of the following devices are stateless? |
| A8:
| Answer: d. The router with ACLs is stateless. |
| 9:
| What is NAT, and when is it used? |
| A9:
| Answer: NAT stands for Network Address Translation. NAT is typically used for internal IP networks that have unregistered (not globally unique) IP addresses. |
| 10:
| Content filtering or URL filtering occurs at what layer of the OSI reference model? |
| A10:
| Answer: d. Content filtering or URL filtering occurs at Layer 7 of the OSI reference model. |
