单选题What is a function of the OSPF Type 7 LSA？（）A It describes the reachability of routes in stub areas.B It describes the reachability of routes in totally-stubby areas.C It describes the reachability of routes in not-so-stubby areas.D It describes the re
题目
单选题
What is a function of the OSPF Type 7 LSA？（）
A
It describes the reachability of routes in stub areas.
B
It describes the reachability of routes in totally-stubby areas.
C
It describes the reachability of routes in not-so-stubby areas.
D
It describes the reachability of routes in partially-stubby areas.