A company is planning to use Network Security Groups. Could network security groups be used to encrypt all network traffic sent from Azure to the Internet?

Answer options:

A.Yes
B.No

Answer – B 
Network Security Groups are used to restrict Inbound and Outbound traffic. It can’t be used to encrypt traffic. 
The Microsoft documentation mentions the following. 

For more information on the Azure network security, please visit the below URL- 

https://docs.microsoft.com/en-us/azure/virtual-network/security-overview