Which of the following commands defines an audit rule that monitors read and write operations...

auditctl -N firewall –r r: /etc/firewall/rules –r w: etc/firewall/rules

auditctl -A –f /etc/firewall/rules –o r– o w –l firewall

auditctl –w /etc/firewall/rules -p rw -k firewall

auditctl -_read /etc/firewall/rules -_write /etc/firewall/rules --label firewall

echo "n: firewall r:/etc/firewall/rules: w:/ etc/firewall/rules:" | auditctl ~