What does UDP stand for?

The term "UDP" stands for User Datagram Protocol. This protocol is a key component of the Internet Protocol Suite and is mainly used for transmitting data over a network. It's known for operating without establishing a connection, which allows for faster data transmission compared to connection-oriented protocols like TCP (Transmission Control Protocol).

UDP is utilized in applications where speed is crucial and where occasional data loss is acceptable, such as in voice over IP (VoIP), video streaming, and online gaming. It provides minimal error checking, which means that it does not guarantee delivery, order, or data integrity, making it fit for scenarios where timeliness is prioritized over reliability.

The other options do not accurately represent the acronym UDP. "User Data Protocol" and "Unreliable Data Protocol" might seem plausible as they include relevant terms, but they do not conform to the established terminology in networking. "Universal Datagram Protocol" is also incorrect, as it does not reflect the correct name commonly used in technical literature and standards. Thus, the correct answer, User Datagram Protocol, accurately captures the intended meaning and use of UDP in the context of networking and data transmission.