多选题Which two are characteristics of link-state routing protocols?（） (Choose two.)ARouters choose a best path for a destination based on the SPF algorithm.BAll routers in a given area or level build a consistent database describing the network's topology.CRouters choose the best path for a destination based on the interface on which they received the link stateadvertisement with the lowest cost.DAll routers in a given area or level forward link state advertisements between interfaces in the same area or level, adding their metric to the link state advertisement's cost information when they forward it.
多选题
Which two are characteristics of link-state routing protocols?（） (Choose two.)
A
Routers choose a best path for a destination based on the SPF algorithm.
B
All routers in a given area or level build a consistent database describing the network's topology.
C
Routers choose the best path for a destination based on the interface on which they received the link stateadvertisement with the lowest cost.
D
All routers in a given area or level forward link state advertisements between interfaces in the same area or level, adding their metric to the link state advertisement's cost information when they forward it.
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