Question: What is the primary function of the `CatPutOneByteTLV` API in the context of (U)SIM API, specifically regarding its impact on the data buffer?
Option 1: To retrieve a single byte value from the data buffer based on a provided Tag.
Option 2: To delete a TLV entry from the data buffer identified by a specific Tag.
Option 3: To append a single byte valued TLV to the data buffer, utilizing both a Tag and a Value.
Option 4: To update an existing two-byte valued TLV in the data buffer with new values.
Explanation: The correct answer is Option 3 because `CatPutOneByteTLV` is specifically designed to add (append) a new TLV structure to the end of the data buffer, consisting of a single byte value. Both a Tag and a Value are required parameters for this operation, ensuring the data buffer is updated with new information in a structured format.