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The correct answer is B.

OBJ-2.1: UDP (User Datagram Protocol) is a connectionless, non-guaranteed method of data communication. It does not provide any sequencing or flow control. Data sent over UDP could be lost and never resent. For this reason, UDP is not used for general web browsing or activity over HTTP/HTTPS (Ports 80 and 443). UDP is very good at delivering streaming media, though, since UDP is faster than TCP. Streaming videos or making Voice over IP (VoIP) calls are examples of use cases that rely upon UDP for their transmission.

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