In a Windows 2000 AD domain, Server_2 is a part, running in Native mode. Do an nslookup on server_2’s IP address and check the following results.
Name:servr_2 Address:10.15.40.240
Name:server_3 Address:10.15.40.240

What is the cause of this?

A.
Duplicate host records in DNS

B.
Duplicate host entries in NIS

C.
Duplicate IP addresses in DHCP

D.
Duplicate host records in WINS