Which protocol creates a complete database of the network topology prior to calculating the optimal route?（）

A. /var/messages
B. /var/syslog
C. /var/tmp
D. /var/log

A. cd interfaces
B. dir edit interfaces
C. edit interfaces
D. interfaces

A. Unlike static routing, dynamic routing provides redundant IP addresses for end-user devices
B. Unlike static routing, dynamic routing requires no initial user configuration
C. Dynamic routing can provide increased network availability when compared to static routing
D. Dynamic routing provides DNS services along with IP connectivity, static does not