Based on an existing virtual machine, you download an Azure Resource Manager template. Using the template, 100 virtual machines will be deployed. You will need to change the template to reference an administrative password. You must prevent the password from being stored in plain text. What should you create to store the password?
A. Azure Active Directory (AD) Identity Protection and an Azure policy
B. A Recovery Services vault and a backup policy
C. An Azure Key Vault and an access policy
D. An Azure Storage account and an access policy