Which method is used to initialize the Blob Storage client library in an application?

The initialization of the Blob Storage client library in an application is achieved using the Azure Storage account connection string. This connection string contains essential information for the Blob Storage client to access and authenticate with the storage account. It typically includes the account name, account key, and the endpoint where the Blob service is hosted, allowing the client library to perform operations securely and efficiently.

Using a connection string is a standard practice for applications that need to interact with Azure services. It encapsulates all the necessary credentials and settings into a single string, simplifying the configuration and providing a secure method of authentication when accessing the Blob Storage.

Other methods to initialize the client might seem relevant, but they do not provide the required credentials and endpoints in a standardized format like the connection string does, which is critical for establishing a successful connection and ensuring secure access to data stored in Azure Blob Storage.