Explain a datagram network Networks that provide a connectio

Explain a datagram network. Networks that provide a connectionless service at the network layer. Networks that provide a connection service at the network layer. Networks that provide a connectionless service at the application layer. Networks that provide a connection service at the application layer.

Solution

The answer is a. Datagram is a independent unit of data than can be transimitted from source to destination with out any additional information. This generally happens at the packet level. As every packet can travel independently, there is no need of a connection.