Post-Lab Questions

Please enter the answers to these questions into your lab notebook.

1. When is ARP used? Describe the ARP interactions that you saw with ethereal and find the cause of the ARP exchange.

2. What is the purpose of the /etc/hosts file? Can you have entries in /etc/hosts with the same IP addresses?

3. When an IP address is manually assigned explain why other nodes can no longer contact it using the canonical name.

4. Are DNS requests made for all connections?