Which type of server allows large numbers of users to exchange information near instantaneously?

The type of server that allows large numbers of users to exchange information near instantaneously is the Real-time Communication Server. This server is specifically designed to facilitate immediate data exchange, which is essential for applications that require live interactions such as video conferencing, instant messaging, or VoIP services. The architecture of a real-time communication server is optimized for low latency and high concurrency, enabling multiple users to communicate simultaneously without noticeable delays.

In contrast, a File Transfer Server primarily focuses on storing and transferring files rather than real-time communication. A Database Server manages and stores data but does not typically handle instant messaging or live exchanges. A Web Server serves web content to users but may not support the real-time interactions necessary for instant communication, making it less suitable for meetings or discussions that require immediate responses. Therefore, the characteristics of a Real-time Communication Server are what distinguish it as the correct answer in scenarios where immediate information exchange is critical.