Go-Back-N protocol | acknowledgment lost | Sliding Window Protocol | Transport layer

question 1. what is go backN 2. sender window side in GBN 3. receiver window size in GBN 4. what do you mean by sliding window protocol 5. what is pipelining ? 6. explain what happens when pkt is lost 7. explain what happens when ACK is lost #goback #N #computer #network