Question: 1) Why hosts generate ARP protocol when ping is performed with IPS? (2 marks) 2) What does it mean if TTL is found to be

1) Why hosts generate ARP protocol when ping is performed with IPS? (2 marks) 2) What does it mean if TTL is found to be 121, whereas it is set 128 at the time of transmission? (2 marks) 3) What is the subnet mask and wild card mask in decimal notation for the any A class IP if 12 bits are taken to create subnets? (2 marks)
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