A company has just setup an Azure subscription and an Azure tenant. They want to use services that would fulfil different requirements. Which of the following can be used for the following requirement? 
“Ensure that no one can accidentally delete resources that are part of a resource group”

Answer options:

A.Azure resource locks
B.Azure Policies
C.Azure Blueprints
D.Azure resource tags

Answer : A 
Resource locks can be used to prevent the accidental deletion of resources 
As shown below, you can use the delete lock to ensure resources don’t get deleted. 

Option B is incorrect since this used as a governance service for your resources
Option C is incorrect since this used to orchestrate the deployment of resources
Option D is incorrect since this used to logically organize resources
For more information on Azure resource locks, please visit the below URL 

https://docs.microsoft.com/en-us/azure/azure-resource-manager/management/lock-resources