Answer the following questions:

1. What two methods can be used to install pfSense packages?
2. What is the default port on which a Squid proxy will listen?
3. We have added a firewall rule to block access to a certain website from all local networks and we have confirmed that the rule works as intended. (a) After we install the Squid proxy server, what will be the outcome when we try to access this website? (b) After we enable the Squid proxy server, what will be the outcome when we try to access the website? For both (a) and (b), assume we have not done any additional configuration to Squid.
4. If we want to block a country from accessing our network, what package provides the easiest way of doing this?
5. Identify the different states of interesting ports in an Nmap probe.
6. If we want to add a load balancing group and also want email notifications if a server in the group goes down...