For Several Hours Now,your IT Staff Has Been Trying to Troubleshoot

Multiple Choice

For several hours now,your IT staff has been trying to troubleshoot an issue on AppSrv1.AppSrv1 uses an application that requires it to access an SQL database on a server named DBSrv1 but recent changes in the network topology have outdated previous DNS entries.Initially,the problem is believed related to the DNS database,but after using nslookup,you find that the DNS entry is correct.AppSrv1 can reach the DBSrv1 server manually by IP address,but when using a name,it resolves to the wrong machine.
What is most likely the issue?

A) AppSrv1 has a static route entry to DBSrv1
B) nslookup was pulling from the correct DNS server,but the computer is configured with the wrong DNS server
C) A conditional forward zone has not been set up properly
D) Someone added a static entry for DBSrv1 in the hosts text file,which is now outdated