PCNSA Question #436: Real Exam Question with Answer & Explanation

Question

In the PAN-OS Web Interface, which is a session distribution method offered under NAT Translated Packet Tab to choose how the firewall assigns sessions?

Options

• ADestination IP Hash b
• BConcurrent Sessions
• CMax Sessions
• DIP Modulo

Explanation

IP Modulo is a legitimate session distribution method available in PAN-OS under the NAT Translated Packet tab, used to determine how the firewall assigns sessions across a pool of translated IP addresses. It works by applying a modulo operation on the source IP to consistently map sessions to a translated address, ensuring predictable distribution.

Why the distractors are wrong:

• A (Destination IP Hash): PAN-OS does offer an "IP Hash" method, but "Destination IP Hash" as a named option does not exist - the distractor uses a subtly wrong label to trip you up.
• B (Concurrent Sessions): This is a metric used to measure load, not a method for distributing sessions in NAT.
• C (Max Sessions): This is a session limit or threshold setting, not a distribution algorithm.

Memory tip: Think of the valid PAN-OS NAT distribution methods as the "RAIL" group - Round Robin, IP Hash, IP Modulo, Least Sessions. If an answer doesn't fit that group, it's a distractor. "IP Modulo" stands out because it's math-based (modulo arithmetic), making it easy to confirm as a real algorithm rather than a fabricated metric name.

No community discussion yet for this question.