Uncle GPT says the UDP (User Datagram Protocol) operates at the transport layer (Layer 4) of the OSI model. This layer is responsible for error checking and correction. If a segment with a bad checksum in the UDP header arrives at the destination host, the transport layer will detect the error and discard the segment. This error-checking and discarding of corrupted segments help ensure data integrity in network communications.
The correct answer is C. Transport.
In the OSI model, the transport layer is responsible for providing end-to-end communication services to the upper layers. One of the key responsibilities of the transport layer is to ensure the integrity of data being transmitted.
In the case of a UDP segment, the transport layer at the destination host will check the checksum in the UDP header. If the checksum is incorrect or invalid, the transport layer will discard the segment as it indicates that the data has been corrupted during transmission.
TCP and UDP are transport layer protocols and as such exist at layer 4 of the OSI model above the Network Layer and below the Session Layer.
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