#7 needed Q6. In the diagram below, R1, R2 and R3 are three routers. How many local area networks (LANS) do you thinkthe topology has and why? If PCI wants to send data to PC5 then what is the first hop if the data has to go fromsource PC1?PCISwitch1Switch2PC4SwitchoQ7: Match the following to one or more layers of the TCP/IP protocol suite:Route determinationa.b.Connection to transmission mediac. Providing services for the end userd.Creating user datagramse.Responsibility for handling frames between adjacent nodesf. Converting the data from Bangla to ChineseQ8: Which layer(s) are involved in encrypting the data of a packet? Which address(es) does not changeat each hop?Q9: Draw a hybrid topology with a bus backbone and three ring networks.

Transmission Control Protocol/Internet Protocol, or TCP/IP, is a group of protocols used to connect…

Q7: Match the following to one or more layers of the TCP/IP protocol suite: a. Route determination b. Connection to transmission media c. Providing services for the end user d. Creating user datagrams e. Responsibility for handling frames between adjacent nodes f. Converting the data from Bangla to Chinese