单选题Why does IS-IS use the SPF algorithm?（）A to determine the pseudonode IDB to determine the next hop to a given destinationC to determine the complete path to a given destinationD to determine the number of routers present in a given area
题目
单选题
Why does IS-IS use the SPF algorithm?（）
A
to determine the pseudonode ID
B
to determine the next hop to a given destination
C
to determine the complete path to a given destination
D
to determine the number of routers present in a given area