Question: What is a key characteristic of the MSGin5G Service in the context of massive IoT communication over the 5G system?
Option 1: High-bandwidth video streaming for enhanced user experience
Option 2: Support for only person-to-person communication with medium latency
Option 3: Low end-to-end latency and high reliability of message delivery for resource efficiency
Option 4: Exclusive focus on voice services for mission-critical communications
Explanation: The MSGin5G Service is designed to cater to the demands of massive IoT communication, emphasizing efficient use of resources while ensuring messages are delivered reliably and with minimal latency, crucial for IoT applications involving device-to-device or person-to-device interactions.