Refer to the exhibit.

Which configuration change is required if the responder FortiGate uses a dynamic routing protocol to exchange routes over IPsec?
Refer to the exhibit.
Which configuration change is required if the responder FortiGate uses a dynamic routing protocol to exchange routes over IPsec?
To use a dynamic routing protocol to exchange routes over IPsec, the add-route option must be disabled. This ensures that the IKE protocol does not interfere with the routing decisions made by the dynamic routing protocol, allowing it to manage the routes effectively without automatically adding them through the IPsec configuration.
B is correct , Study Guide page 273
B is correct. Page 273. Note that add-route must be disabled if you use a dynamic routing protocol. This ensures that the IKE protocol does not add routes—back to spokes to hubs—and leaves routings solely to the configured dynamic routing protocol.
B is correct. See Ginmco's comment for deets.