[E b) Give a Pictorial Representation for the below given Scenarios with their sender and receiver sliding windows: Scenario 1: Go-Back N Protocol i. Frames 0, 1 & 2 are transmitted and acknowledged. ii. Frames 3 is transmitted and acknowledged. iii. Frame () is lost, Frame 1 & 2 are received and Timeout for acknowledged. Scenario 2: Selective Repeat protocol i. Frames 0 & 1 are transmitted and acknowledged. ii. Frame 2 is lost & Frame 3 is received