Activity 3 Activity 3: Learning Unit 1-3: ADDRESSING (Marks: 30) Answer the following questions using suitable examples: Explain why devices on a network need addresses. Q.3.1 (5) Q.3.2 Explain the difference between a MAC address and an IP address. You should relate your answer to the OSI model. (6) Q.3.3 Explain how devices get their MAC or IP address. (4) Q.3.4 Explain how a packet gets from one network to another. Your explanation should relate this movement to the IP address format. (5) Q.3.5 As the Internet has expanded, we have run out of IP addresses. (10) Discuss using examples, two ways how this problem has been overcome.