Question: When can the network send an MM INFORMATION message to the mobile station during an RR connection?
Option 1: Only once, at the beginning of the RR connection.
Option 2: Only in response to a specific request from the mobile station.
Option 3: At any time, including immediately after the AUTHENTICATION REQUEST message, without adding delay or interrupting CM layer transactions.
Option 4: Never, as it is not allowed during an RR connection.
Explanation: The network has flexibility in sending MM INFORMATION messages to the mobile station during an RR connection. It can choose specific instants, such as immediately after the AUTHENTICATION REQUEST message, to send these messages without causing delays or interruptions to ongoing CM layer transactions.