Question: In the context of a Universal Subscriber Identity Module (USIM) application, what is the primary purpose of the EFTVUSD file in relation to the EFTVCONFIG?
Option 1: To store the last visited registered Tracking Area Identity (TAI) for 5GS.
Option 2: To contain the User Service Description (USD) associated with one or more entries in the EFTVCONFIG.
Option 3: To update the 5G-Globally Unique Temporary Identifier (5G-GUTI) for 3GPP access.
Option 4: To manage the 5GS location information for non-3GPP access.
Explanation: The correct answer is Option 2 because the EFTVUSD file contains the User Service Description (USD) associated with one or more entries in the EFTVCONFIG, highlighting its role in service configuration and management within the USIM application for TV user services.