A firewall technician has been instructed to disable all non-secure ports on a corporate firewall.
The technician has blocked traffic on port 21, 69, 80, and 137-139. The technician has allowed
traffic on ports 22 and 443. Which of the following correctly lists the protocols blocked and
allowed?

A.
BlockeD. TFTP, HTTP, NetBIOS; AlloweD. HTTPS, FTP

B.
BlockeD. FTP, TFTP, HTTP, NetBIOS; AlloweD. SFTP, SSH, SCP, HTTPS

C.
BlockeD. SFTP, TFTP, HTTP, NetBIOS; AlloweD. SSH, SCP, HTTPS

D.
BlockeD. FTP, HTTP, HTTPS; AlloweD. SFTP, SSH, SCP, NetBIOS