2. With reference to the Intrusion Detection System (IDS) implemented by the Northeast Frontier Railway (NFR), consider the following statements:
- It employs fibre-optic sensing technology to detect elephant movement near railway tracks.
- The system is installed parallel to railway lines at a distance of about 100 metres.
- It provides real-time alerts to train drivers and control rooms to prevent elephant-train collisions.
Which of the statements given above is/are correct?