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101 · Question #69
101 Question #69: Real Exam Question with Answer & Explanation
The correct answer is A: SNAT s using automap preferentially translate source addresses to nonfloating self-IP addresses.. This question tests knowledge of how BIG-IP SNAT automap selects translation addresses compared to SNAT pools.
Question
Which statement is true concerning SNATs using SNAT pools and SNATs using automap?
Options
- ASNAT s using automap preferentially translate source addresses to nonfloating self-IP addresses.
- BSNAT s using a SNAT pool translate source addresses randomly to any of the addresses in the
- CSNAT s using automap translate source addresses randomly to any of the BIG-IP's floating self-
- DA SNAT pool can contain virtual server addresses.
Explanation
This question tests knowledge of how BIG-IP SNAT automap selects translation addresses compared to SNAT pools.
Common mistakes.
- B. SNAT pools do not translate sources randomly to any address in the pool - BIG-IP uses a deterministic selection method (such as least-connections) rather than purely random selection, and the choice text is incomplete.
- C. Automap does not preferentially use floating self-IPs; it actively prefers nonfloating self-IPs to ensure return traffic symmetry on the originating device.
- D. SNAT pool members must be routable IP addresses dedicated for translation, not virtual server addresses, which serve a different purpose as traffic destinations.
Concept tested. BIG-IP SNAT automap vs SNAT pool address selection
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