A network engineer must enable the helper router to terminate the OSPF graceful restart process if it detects any changes in the LSA.Which command enables this ...

A network engineer must enable the helper router to terminate the OSPF graceful restart process if it detects any changes in the LSA.Which command enables this feature?

A. nsf ietf helper disable B. nsf cisco helper disable C. nsf ietf helper strict-lsa-checking D. nsf cisco enforce global