When is Transparent Data Encryption invoked?
A.
When triggered by an administrator
B.
During all I/O operations
C.
Automatically in batches
D.
Only when the data is initially loaded into the database
Explanation:
How Transparent Data Encryption Works
…
Afterward, when a user enters data into an encrypted column, Oracle Database performs the
following steps:
1.Retrieves the master key from the wallet.2.Decrypts the encryption key of the table from the data dictionary.
3.Uses the encryption key to encrypt the data the user entered into the encrypted column.
4.Stores the data in encrypted format in the database.