Answer:
When the driver of the train reports their arrival at the exit signal, you must confirm the following:
1. The train has arrived at the correct signal: You must confirm that the train has arrived at the correct exit signal and not at a different signal
2. The train has stopped at the signal: You must confirm that the train has stopped at the exit signal and not overrun it
3. The train has not passed any signals at danger: You must confirm that the train has not passed any signals at danger on the way to the exit signal
4. The train has not exceeded the speed limit: You must confirm that the train has not exceeded the speed limit on the way to the exit signal
5. The train is ready to proceed: You must confirm that the train is ready to proceed and that the driver has received the necessary instructions to continue the journey
These are the things that you must confirm when the driver of the train reports their arrival at the exit signal.