.You have added a new router to your network using all of the default settings. You can connect to everything by IP address, but the router doesn’t seem to be resolving names to IP
addresses. The DNS server is in a directly connected network.
Which of the following is most likely the problem?
A. You configured an incorrect IP address for the DNS server
B. You configured an incorrect default gateway on the router
C. You failed to execute the ip domain lookup command
D. You failed to create an IP helper address