Larry is the Security Administrator for a software-development company. To isolate the corporate network from the developers’ network, Larry installs an internal Security Gateway.
Larry wants to optimize the performance of this Gateway. Which of the following actions is most likely to improve the Gateway’s performance?

A.
Remove unused Security Policies from Policy Packages.

B.
Clear all Global Properties check boxes, and use explicit rules.

C.
Use groups within groups in the manual NAT Rule Base.

D.
Put the least-used rules at the top of the Rule Base.

E.
Use domain objects in rules, where possible.