Which of the following should the administrator do to resolve the problem?

A small company has recently placed a newly installed DNS server on the DMZ and wants to secure it by allowing Internet hosts to query the DNS server. Since the company deploys an internal DNS server, all DNS queries to that server coming from the company network should be blocked.

An IT administrator has placed the following ACL on the company firewall:

Testing shows that the DNS server in the DMZ is not working.

Which of the following should the administrator do to resolve the problem?
A . Modify the SRC and DST ports of ACL 1
B . Modify the SRC IP of ACL 1 to 0.0.0.0/32
C . Modify the ACTION of ACL 2 to Permit
D . Modify the PROTO of ACL 1 to TCP

View Answer

Answer: A