In the TCP/IP model, the transport layer is responsible for reliability and flow control from source to the destination. TCP provides the mechanism for flow control by allowing the sending and…

In the TCP/IP model, the transport layer is responsible for reliability and flow control from source to the destination. TCP provides the mechanism for flow control by allowing the sending and receiving hosts to communicate. A flow control mechanism avoids the problem with a transmitting host overflowing the buffers in the receiving host. Which of the following flow control mechanism guarantees reliable delivery of data?