AZ-104 – Question 112


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?

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

Correct Answer: 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