Refer to the exhibit. 
Based on the RouterA configuration shown, and assuming that all routing is operational, DNS
lookups to 209.165.202.129 will fail for which reason?
A.
Cisco.com will be incorrectly appended to all non-Cisco DNS queries.
B.
DHCP has not been enabled or configured.
C.
AAA must be configured for authentication of the DNS server.
D.
DNS queries are currently disabled.
Explanation: