In order to reduce the number of OSPF routes in some unscheduled areas, the OSPF protocol has developed special area functions, and the following characteristic description of ospf special areas is correct?( Single choice questions).
?BGP4+?,Update ????M IP_R EACH_NLRI ?????next hop network address ????? ?
In a data communication session between two hosts, which level does the session layer of the oSI model of the host on one end communicate with the osl mode of the host on the other end?
What categories can ACLs be divided into? A. Advanced ACLs
B. Two-layer ACL
C. User-defined ACLs
D. Basic ACL