Consider that two hosts are sharing a link of 2 km length and bitrate of 0.1 Gbps. Assume that all frames are 1000 bits. Ignore processing delay and assume that the size of acks is negligible. Assume error free channel. Consider that the signal propagates at the speed of 2x108 m/s. What is the sender utilization in case of Stop-and-Wait protocol? a. 2/3 O b. 1/3 O c. 1/5 O d. 1/2 O e. 1 Of. 2/7 O g. 1/4 Oh none of the answers