Your company network includes client computers that have Windows 7 installed. The computers are members of an Active Directory domain and receive Windows Firewall configuration through Group Policy,
A user indicates that he is unable to connect to a remote FTP server. You need to view the status of TCP/UDP ports at the user’s computer.
Which command should you run?

A.
netstat -o

B.
nbtstat -a

C.
ipconfig /all

D.
netstat -an