Question:

Answer: Packet filtering firewall

- OSI Layer 3

Circuit-level proxy

- OSI Layer 5

Application-level gateway

- OSI Layer 7

Routed firewall

- OSI Layer 3

Transparent firewall

- OSI Layer 2

Question:

Answer: Network-based firewall

Question:

Answer: - Put the database server on the private network

• Put the web server inside the DMZ.

• Question: You have a router that is configured as a firewall. The router is a Layer 3 device only. Which of the following does the router use for identifying allowed or denied packets?

• - MAC address

• - Username and password

• - Session ID

• - IP address

• Answer: IP address

• Question: You have just installed a packet filtering firewall on your network. Which options will you be able to set on your firewall? (Select all that apply.)

• - Acknowledgement number

• - Digital signature

• - Checksum

• - Destination address of a packet

• - Port number

• - Source address of a packet

• - Sequence number

• Answer: - Destination address of a packet

• - Port number

• - Source address of a packet