Review Questions

1. What is the lowest layer of the OSI reference model that a switch operates?
2. What layer of the ISO does a router operate?
3. Which layer of the OSI Reference Model does a VLAN operate?
4. On which layer of the OSI Reference Model does a web application firewall work?
5. What is the purpose of a web application firewall and where is it normally placed?
6. What is the default setting for a firewall?
7. What is Implicit Deny and which two devices does it affect?
8. If traffic is not arriving at my VLAN, what should I do?
9. Which port type is connection-orientated and why?
10. Which type of port would I use for streaming video?
11. What is the firewall that does content filtering, URL filtering, and malware inspection?
12. Which network device connects two networks together?
13. Which type of internal device connects users on the same network?
14. Which type of device hides the internal network from hackers...