UDP provides unreliable data transfer and therefore

A) should never be used
B) provides data security
C) provides congestion control
D) could be a good choice for loss-tolerant video and audio streams

UDP is a transport protocol (Layer 4 of the OSI model) that has no mechanism to provide a reliable transport between the source process and the destination one, as TCP does.

Anyway, due to this feature, is specially suitable for real-time applications , like video or audio, provided that the user can accept some loss in the stream.

Several real-time protocols, like RTP for instance (used for videoconferencing) use UDP as transport protocol.

UDP provides unreliable data transfer and therefore A) should never be used B) provides data security C) provides congestion control D) could be a good choice for loss-tolerant video and audio streams

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UDP provides unreliable data transfer and therefore

A) should never be used
B) provides data security
C) provides congestion control
D) could be a good choice for loss-tolerant video and audio streams