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A customer currently has an Instant AP deployment. Which customer requirement would indicate that the customer needs to add a controller to the deployment?
Correct Answer: C
A customer who has an Instant AP deployment and needs to provide client-to-site VPN access for remote users would benefit from adding a controller to the deployment. A controller can act as a VPN concentrator that terminates the VPN tunnels from the remote clients and provides secure access to the corporate network. The controller can also apply firewall policies and role-based access control to the VPN traffic. An Instant AP deployment alone cannot provide this functionality, as it only supports site-to-site VPN between Instant AP clusters12. The other options do not require a controller, as they can be achieved with an Instant AP deployment. An Instant AP deployment can apply role-based firewall policies using the built-in stateful firewall on each Instant AP3. An Instant AP deployment can also provide a captive portal for guests using the internal orexternal web server options4. An Instant AP deployment can be managed by a cloud-based solution such as Aruba Central, which does not require a controller5. References: 1: Understanding IAP-VPN Architecture - Aruba 2: Configuring IAP-VPN - Aruba 3: Firewall Roles and Policies - Aruba 4: Configuring Captive Portal - Aruba 5: Managing Instant AP from Aruba Central - Aruba
