What is the default value of the IS-IS lsp-refresh-interval command?（）

A. metric-style wide
B. redistribute mpls
C. metric-style narrow
D. dynamic-redistribute

A. show isis adjacency
B. show clns neighbors
C. show isis database
D. show clns database

A. only summarized routes
B. all routes in the network
C. all routes in the backbone
D. No routes are advertised.