Question: What is the purpose of including the Protocol Configuration Options Information Element in a message?
Option 1: To transmit protocol data, such as configuration parameters or error codes, to the Mobile Station (MS) for a specific PDN connection.
Option 2: To establish a new PDN connection with the MS.
Option 3: To release an existing PDN connection with the MS.
Option 4: To modify the QoS parameters of an existing PDN connection.
Explanation: The Protocol Configuration Options Information Element is used to transmit protocol data, such as configuration parameters or error codes, to the Mobile Station (MS) for a specific PDN connection. This allows the network to convey important information to the MS in an end-to-end manner, ensuring that the MS can properly configure itself and maintain a stable connection.