$4$

Type sudo nmap $-$p $80$ MetasploitablelPaddress and press Enter. What does it mean if this port is open?

$5$

Type sudo nmap $-$A $-$T$4$ MetasploitablelPaddress and press Enter. What additional information is given? What type of OS is Metasploitable running? What does the MAC address tell you?

$6$

Shut down your Metasploitable VM by typing sudo shutdown now and pressing Enter. Also shut down guest from VMware Workstation Player.