Question: When constructing a MAP-DeactivateTraceMode Ack message in response to a DSA command, how should the InterWorking Function (IWF) handle the `extensionContainer` sub-parameter within DeactivateTraceModeRes?
Option 1: The IWF shall populate `extensionContainer` with default values.
Option 2: The IWF shall ensure `extensionContainer` is absent.
Option 3: The IWF may optionally include `extensionContainer` based on network configuration.
Option 4: The presence of `extensionContainer` depends on the Result-Code AVP value.
Explanation: According to the specified mapping rules, the IWF is required to keep the `extensionContainer` sub-parameter absent within DeactivateTraceModeRes, ensuring consistency and accuracy in the response message, adhering to defined interoperability standards.