Your network contains a DNS server that runs Windows Server 2008 R2 Service Pack 1 (SP1). You
need to enable cache locking on the DNS server. Which tool should you use? (Each correct answer
presents a complete solution. Choose two.)

A.
Regedit

B.
Dns

C.
Netsh

D.
DNS Manager

E.
Server Manager

F.
Dnscmd

Explanation:

Ref:
http://technet.microsoft.com/en-us/library/ee649148(v=ws.10)