az-204-developer-associate video for you are developing a web application by using the Azure SDK. The web application accesses data in a zone-redundant
You are developing a web application by using the Azure SDK. The web application accesses data in a zone-redundant BlockBlobStorage storage account. The application must determine whether the data has changed since the application last read the data. Update operations must use the latest data changes when writing data to the storage account. You need to implement the update operations. Which HTTP Header value should you use?