Question

21. Show a lost packet and the recovery from it in the Stop-and-Wait protocol. Packet, Packet + Ack ACK 22. A sender sends packets 1, 2, 3, and 4 to a receiver, but packet 3 is lost. What packet(s) will be resent after the timeout in: Go-back-N Selective repeat 23,4 3,4 2 3

          21. Show a lost packet and the recovery from it in the Stop-and-Wait protocol.
Packet,
Packet + Ack
ACK
22. A sender sends packets 1, 2, 3, and 4 to a receiver, but packet 3 is lost. What
packet(s) will be resent after the timeout in:
Go-back-N
Selective repeat
23,4 3,4
2 3

21. Show a lost packet and the recovery from it in the Stop-and-Wait protocol.
Packet,
Packet + Ack
ACK
22. A sender sends packets 1, 2, 3, and 4 to a receiver, but packet 3 is lost. What
packet(s) will be resent after the timeout in:
Go-back-N
Selective repeat
23,4 3,4
2 3

Added by Marina P.

Computer Science and Information Technology

Trishna Knowledge Systems 2018 Edition

Instant Answer

Solved by Expert Avi Bukys

Step 1

In the Stop-and-Wait protocol, when a packet is sent from the sender to the receiver, the sender waits for an acknowledgment (ACK) from the receiver before sending the next packet. If the sender does not receive an ACK within a certain timeout period, it assumes Show more…

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Thanks for your feedback!

I got both questions wrong so please explain the right answers in detail as this is very confusing 21. Show a lost packet and the recovery from it in the Stop-and-Wait protocol. Packet, Pactof+Ack ACK 22.A sender sends packets 1,2,3,and 4 to a receiver, but packet 3 is lost. What packet(s) will be resent after the timeout in; 23,4 3,4 Go-back-N 2 3 XSelective repeat