Chapter 18
1. B and D. The client sends a Discover message, with the server returning an Offer message. The client then sends a Request, with the server sending back the IP address in the Acknowledgment message.
2. E. Of the commands in the answers, three list syntactically correct commands, but one does not: ip dhcp-server 10.1.10.1. The answer with this command is incorrect. The ip helper-address 10.1.10.1 command is indeed needed as an interface subcommand, but only on remote routers like the Boston router. This command is not needed for the DNS server, so while the ip helper-address 10.1.10.2 command would be accepted, it does not help DNS or DHCP work. Finally, the ip name-server 10.1.10.2 command on the Atlanta router works, but it simply ...
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