COMPUTER NETWORKING

Detailed explanation-1: -The fourth layer of the OSI model ensures complete and reliable delivery of data packets. The transport layer provides mechanisms such as error control, flow control, and congestion control to keep track of the data packets, check for errors and duplication, and resend the information that fails delivery.

Detailed explanation-2: -Layer 4 of the OSI Model: Transport Layer provides transparent transfer of data between end users, providing reliable data transfer services to the upper layers.

Detailed explanation-3: -The transport layer ensures that messages are delivered error free, in sequence, and with no loss or duplication. This layer relieves the higher-layer protocols from being concerned about data transfer with their peers.

Detailed explanation-4: -Network Layer is the third layer of the OSI Model. It’s responsible for source-to-destination or host-to-host delivery of packets across multiple networks.