CIT 247 Lab 1: Single Switch LAN Questions: Q1: Are PC-1 and PC-2 in the same broadcast domain? Why or why not? Please explain using terms from the OSI model and how they relate to the topology. ( 3 sentences required) Q2: Are PC-1 and PC-2 in the same collision domain? Would they be if IOU1 was a hub instead of a switch? Q3: Are PC-1 and PC-2 in the same layer 3 network? Does this affect whether they are in the same broadcast domain? Please explain why. (3 sentence required) Q4: What is the purpose of ARP? What OSI layers does it involve? Q5: Please explain how ARP works by listing the process' steps, including specific details such as OSI layers, source host vs. destination host, etc. (5 sentences required)