单项选择题
A.2WAY/BDR
B.FULL/BDR
C.2WAY/DROTHER
D.2WAY/DR
E.FULL/DROTHER
F.FULL/DR
G.None of the other alternatives apply
多项选择题 Which three of the following network features are methods used to achieve high availability（）
单项选择题 Refer to the exhibit. On the basis of the information presented， which statement is true？（）
单项选择题 From the perspective of routerPG-1，what kind of router is the router with IP address 192.23.1.1（）
