The Indian Railways has launched which virtual server to optimise server usage and faster connectivity?

The correct answer is: A. RailSagar

RailSagar is a virtual server launched by the Indian Railways to optimize server usage and faster connectivity. It is a cloud-based platform that provides a number of features, including:

• Server virtualization: This allows multiple servers to be run on a single physical server, which can save money and resources.
• Load balancing: This ensures that all servers are evenly loaded, which can improve performance.
• High availability: This ensures that applications are always available, even if one server fails.
• Security: RailSagar provides a number of security features, including firewalls, intrusion detection systems, and data encryption.

RailSagar is a valuable tool for businesses of all sizes. It can help to improve performance, reduce costs, and increase security.

The other options are incorrect.

• RailCloud is a cloud computing platform that provides a number of services, including storage, computing, and networking. It is not a virtual server.
• RailSilver is a silver-rated train service in India. It is not a virtual server.
• RailBharat is a website that provides information about the Indian Railways. It is not a virtual server.