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 the likely cause?
  1. We cannot reach the internet from a computer, but we can access other nodes on the local network. Assume that we have isolated the problem to this computer. What is the likely cause?
  2. Name a wireless standard that uses the 5 GHz range (there are four).
  3. Which wireless encryption standard sends challenges in the clear and is generally considered insecure now?
  4. Name a utility that can be used to monitor the pfSense state table and can be used from the console or within the web GUI.
  5. What problem might we encounter if we try to ping hosts on networks not under our control?
  6. What protocol does traceroute use by default?