Error control allows the receiver to inform the sender of any frames lost or damaged in transmission and coordinates the retransmission of those frames by the sender. Answer the following error and flow control for scenarios below:

d. There are FOUR (4) frames to be transmitted over the link. Using Go-Back-N ARQ show how the affected frame is retransmitted for below situation. i. The sender sends 2 frames to the receiver successfully. The sender sends 2 more frames but frame 2 is lost. III. The receiver sends a negative acknowledgement to the sender. iv. The sender sends the selected frames again