Radha Is Using Nslookup to Troubleshoot DNS-Related Issues on SERVER1

Multiple Choice

Radha is using nslookup to troubleshoot DNS-related issues on SERVER1. She uses the command prompt and types in the statement nslookup servery.zone1.com. SERVER1 returns an incorrect result. If SERVER1 is non-authoritative for this lookup, what should Radha do to resolve this issue?

A) Ensure that the configuration of any stub zones is correct
B) Configure the IP address of the correct DNS server in network interface properties on the resolver
C) Modify the associated records in the zone on SERVER1 to include the correct information
D) Clear the DNS Server cache, and clear the DNS cache on the resolver