1. How many number of frames will be actually transmitted by $A$ (including retransmission) to complete the task if ACK timer is one unit long (The ACK timer delays the sending of an ACK to provide an opportunity for piggybacking)
- $6$
- $7$
- $8$
- $9$
2. How many number of frames will be actually transmitted by $A$ (including retransmission) to complete the task if ACK timer is three unit long (The ACK timer delays the sending of an ACK to provide an opportunity for piggybacking))
- $6$
- $7$
- $8$
- $9$