How should the SEP Administrator add these DNS host names as a single rule in the firewall policy?

An organization needs to add a collection of DNS host names to permit in the firewall policy.
How should the SEP Administrator add these DNS host names as a single rule in the firewall policy?
A. Create a Host Group and add the DNS domain. Then create a firewall rule with the new Host Group as the Source/Destination
B. Create a Host Group and add the DNS host names. Then create a firewall rule with the new Host Group as the Source/Destination
C. Create a Host Group and add the DNS host names. Then create a firewall rule with the new Host Group as the Local/Remote
D. Create a Host Group and add the DNS domain. Then create a firewall rule with the new Host Group as the Local/Remote

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