Answer the following questions:

1. What is the final step in troubleshooting a networking problem?
2. A site can be reached by pinging the IP address but pinging the hostname fails. What is a likely cause of this?
3. Name a wireless standard that uses the 2.4 GHz range (there are two).
4. Which wireless encryption standard sends challenges in the clear and is generally considered insecure now?
5. Identify a method of determining whether an interface is up or down from within the pfSense web GUI.
6. What tool can be used to monitor the pfSense state table, and can be used from within the web GUI or the command line?
7. What tool can be used to ping a site that blocks ICMP traffic but allows TCP traffic?
8. What are the two main purposes of traceroute?