$"$A$.$ Match the fields Source Port, Destination Port, Acknowledgment Number, Receive Window,

Checksum in the TCP message with the appropriate functions implemented by the protocol.

Justify your answers. Which fields are used in UDP as well?"

B$.$Calculate the performance of the CSMA$/$CD protocol when the maximum distance between hosts

in

the LAN is $30$ meters. Assume that the transmission rate is $10G\frac{b}{s}$ and the packets have a size

of $1500$ bytes. Also, consider the type of the performance $n.$

$=\frac{1}{1+5*\frac{t_{\text{p}\text{r}\text{o}\text{p}}}{t_{\text{t}\text{r}\text{a}\text{n}\text{s}}}}$