You create an Azure Storage account named contosostorage. You plan to create a file share named data. Users need to map a drive to the data file share from home computers that run Windows 10. Which outbound port should you open between the home computers and the data file share? 

Answer options:

A. 80
B. 443
C. 445
D. 3389

C

Server Message Block (SMB) is used to connect to an Azure file share over the internet. The SMB protocol requires TCP port 445 to be open. Incorrect Answers: A: Port 80 is required for HTTP to a web server B: Port 443 is required for HTTPS to a web server D: Port 3389443 is required for Remote desktop protocol (RDP) connections Reference: https://docs.microsoft.com/en-us/azure/storage/files/storage-how-to-use-files-windows