FortiSASE Secure Private Access enables remote users and branch networks to connect securely to applications hosted behind on-premises FortiGate devices or within enterprise private networks.

Option D is correct because Fortinet ' s documented SPA deployment workflow supports configuring up to 12 SPA service connections.

Each service connection represents a configured FortiGate SPA hub that establishes IPsec connectivity with FortiSASE security points of presence. These connections enable the exchange of routing information between FortiSASE and corporate networks through supported BGP routing designs.

The 12-connection limit provides capacity for connecting multiple enterprise locations, including branch networks, private data centers, and hybrid cloud environments.

Option A is incorrect because four connections do not represent the documented maximum. Option B is incorrect because 16 is not the stated limit for SPA service connections in the referenced FortiSASE configuration. Option C similarly understates the supported maximum.

A separate SPA Service Connection subscription is required for each applicable FortiGate hub. Licensing and operational limits should be considered independently: the number of available service connections does not automatically determine aggregate bandwidth, individual hub throughput, or the number of remote users.

The administrator configures these connections through FortiSASE Secure Private Access service-connection management after completing the required SPA network and BGP settings.