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?- PIX
- NetScreen
- Check Point
- Router with ACLs
|
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?- Layer 3
- Layer 4
- Layer 6
- Layer 7
|
A10:
| Answer: d. Content filtering or URL filtering occurs at Layer 7 of the OSI reference model. |
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