[&] Which of the following operations are supported by the Azure key vault API?
- Delete a key
- Create a secret
- Retrieve a certificate
- Update a secret

[&] You are developing an ASP.NET Core MVC application that will be hosted in an Azure web app.  The application accesses sensitive information stored in Azure key vault. Which Nuget packages should you add to the application to minimize the code required to access the data from the web app?
- Microsoft.Azure.Keyvault
- Azure.Keyvault.Authentication
- Microsoft.Azure.Services.AppAuthentication
- Microsoft.Azure.AzureAD.ManagedIdentity