For real-time data transmission with minimal overhead, _______ is often preferred over _______ due to its simplicity.

For real-time data transmission with minimal overhead, WebSocket is often preferred over HTTP/1.1 due to its simplicity. WebSockets provide a full-duplex communication channel, enabling low-latency, bidirectional data exchange between the client and server, making it suitable for real-time applications such as chat or financial trading.