You need to comply with the following requirement. 
“The configuration of the virtual machines must remain consistent during the lifecycle of the application”. 
You decide to implement Custom Script extensions. 
Would this fulfill the requirement?

Answer options:

A.Yes
B.No

Answer – B 
Custom Script Extensions are used to install custom software on the virtual machine. But this is not used to maintain the configuration of the virtual machine. 
For more information on Custom Script extensions, please visit the following URL- 

https://docs.microsoft.com/en-us/azure/virtual-machines/extensions/custom-script-windows