During an upgrade to the routing infrastructure in a customer environment, the network administrator wants to implement Advanced Routing Engine (ARE) on a Palo Alto Networks firewall.
Basic Concept: The Advanced Routing Engine uses logical routers and is supported only on specific PAN-OS firewall families and software combinations. Model support is a platform/version dependency, not a configuration toggle.
Why A is Correct: The keyed set represents a supported exam-context platform group for ARE: PA-5200, PA-7000, PA-3200 and VM-Series firewalls. Current documentation also supports additional newer families, so this item is version-sensitive.
Why B is Wrong: This set includes supported newer families in current documentation, but it does not match the older exam-keyed platform set represented by the source answer. The item is version-sensitive.
Why C is Wrong: This option is a mixed set and includes PA-850, which is not part of the Advanced Routing Engine support list in current Palo Alto Networks documentation.
Why D is Wrong: This set contains families supported in current releases, but it does not match the keyed answer set in this source question. Treat the item as version-sensitive.
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