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You are responsible for loading a DataFrame with sensitive information into an Azure Databricks cluster. Describe the steps you would take to ensure that the data is loaded securely and maintain its confidentiality.
A
Use Azure Databricks' built-in libraries to read the data from a secure source and apply encryption-in-transit.
B
Load the DataFrame using a secure connection to the data source, and apply column-level encryption to the sensitive columns.
C
Utilize Azure Databricks' data access APIs to securely load the data and store it in an encrypted format within the cluster.
D
Encrypt the data at rest using Azure Key Vault and load the encrypted DataFrame into the Azure Databricks cluster.
