Questions

1. When you do a port scan of a remote machine and find ports that are in a closed state, what does that mean?
   1. That the ports are blocked by a firewall.
   2. That the ports are not blocked by a firewall, and that the associated services for those ports are not running.
   3. That the ports are not blocked by a firewall, and that the associated services for those ports are running.
   4. That the remote machine can’t be reached by your port scanner.
2. You’re looking for the /etc/shadow file on a FreeBSD system, but can’t find it. What could be the problem?
   1. FreeBSD keeps its account passwords in the /etc/passwd file.
   2. FreeBSD keeps its account passwords in the /var/lib/ directory.
   3. FreeBSD uses the /etc/master.passwd file instead of the /etc/shadow file.
   4. FreeBSD doesn’t require passwords.
3. Which of the following statements is true?
   ...