156-115.77 · Question #310
Which of these Security Policy changes optimize Security Gateway performance?
The correct answer is A. Use Automatic NAT rules instead of Manual NAT rules whenever possible. Exam Questions, Study Guides, Practice Tests. Lead the way to help you pass any IT Certification exams, 100% Pass Guaranteed or Full Refund. Especially Cisco, CompTIA, Citrix, EMC, HP, Oracle, VMware, Juniper, Check Point, LPI, Nortel, EXIN and so on. Our Slogan: First Test…
Question
Which of these Security Policy changes optimize Security Gateway performance?
Options
- AUse Automatic NAT rules instead of Manual NAT rules whenever possible.
- BUsing domain objects in rules when possible.
- CUsing groups within groups in the manual NAT Rule Base.
- DPutting the least-used rule at the top of the Rule Base.
How the community answered
(38 responses)- A74% (28)
- B8% (3)
- C16% (6)
- D3% (1)
Explanation
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Topics
Community Discussion
4
Bao N.Apr 6, 2026A is the one you want. Automatic NAT rules are handled by the kernel in a more efficient path than Manual NAT, so the gateway processes connections faster and with less overhead, which is exactly what you want when tuning Security Policy performance.
Orla P.Mar 11, 2026Automatic NAT rules are processed by the kernel in a more efficient path than Manual NAT rules, which is why A is the right call here. Quick question for you though, do you know why domain objects in the rule base (option B) can actually hurt performance rather than help it?
Anastasia B.Mar 25, 2026D makes the most sense to me because the gateway reads the rulebase top-down and the kernel has to evaluate every rule until it hits a match, so parking your least-hit traffic at the top clears those connections out fast and frees the inspection engine to focus cycles on the heavy hitters below. I sat with this one for a while but the sequential match logic just keeps pointing me back to D.
Bao N.Mar 27, 2026The gateway actually stops at the first match it finds, so putting your high-volume traffic at the top means fewer rules get evaluated per connection on average, which is where the real performance gain comes from. D would do the opposite, making the engine churn through the most common traffic last every single time.