OSPF is used as PE-CE protocol. An operations engineer is concerned about CPU and memory shortage on PE routers caused by an OSPF misconfiguration on the CE routers. Which OSPF feature protects the PE routers against this shortage?
A. OSPF Link-State Database Overload Protection
B. OSPF ABR type 3 LSA Filtering
C. OSPF Update Packet-Pacing Timers
D. OSPF Flooding Reduction
