How does an administrator configure an Expressway to make sure an external caller cannot reach a specific internal address?

How does an administrator configure an Expressway to make sure an external caller cannot reach a specific internal address?
A . block the call with a call policy rule in the Expressway-E
B . add the specific URI in the firewall section of the Expressway and block it
C . configure FAC for the destination alias on the Expressway
D . add a search rule route all calls to the Cisco UCM

View Answer

Answer: C

Explanation:

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