Which tool should you use?

Your network contains a DNS server that runs Windows Server 2008 R2 Service Pack 1 (SP1). You
need to prevent the DNS server from accepting updates for cached resource records until the timeto-live (TTL) value of the cached resource records expires. Which tool should you use? (Each correct
answer presents a complete solution. Choose two.)

A.
Server Manager

B.
Netsh

C.
DNS Manager

D.
Regedit

E.
Dnscmd

F.
Dns