As well as regular TCP segments carrying data, you may see a variety of other situations. You can sort

the trace on the Info column and browse the packets of type $[$TCP xxx $....$ Depending on the

download, you may see duplicate acks, out of order data, retransmissions, zero windows, window updates, and more. These segments are not generally distinguished by flags in the TCP header, like SYN or

FIN segments. Instead, they are names for situations that may occur and be handled during transport.

Turn$-$in: Hand in your answers to the above questions.