Question$-1$: What specific challenges of Wireless communication do not occur in wired communication? Explain in detail and

Question $2$: Compare and contrast the link layer of Ethernet with Wireless Communication. What are the similarities and dissimilarities?

$1.$ What is hidden terminal problem? Illustrate your answer. Is the problem prevalent in Wired or Wireless communication? What is the solution for this problem?

$2.$ What access control protocols are proposed for $($a$)$ Ethernet and $($b$)$ wireless communication? Illustrate your answer.

Question $3$: What do a "visited network" and a "home network" mean in $4$G$/5$G cellular architecture? Why do you need a tunnelling between the two?

Question $4$: When a mobile device is handed over from one base station to another in a $\backslash (4\backslash$mathrm$\{$G$\}/5\backslash$mathrm$\{$G$\}\backslash )$ network, which network element makes the decision to initiate that handover? Which network element chooses the target base station to which the mobile device will be handed over? Illustrate your answer.

Question $5$: Why would the token$-$ring protocol be inefficient if a LAN had a very large perimeter?

Question $6$: What is the role of ARP and why do you need them?