单项选择题
A. 192.168.0.0/24
B . 192.168.8.0/20
C. 192.168.8.0/21
D. 192.168.12.0/20
E. 192.168.16.0/21
F. These networks cannot be summarized.
单项选择题 Which routing protocol will continue to receive and process routing updates f rom neighbors after the passive - interface router configuration command is entered?（）
多项选择题 Refer to the exhibit. OSPF is configured on all routers in the network. Area 5 is configured as an NSSA areA. The RIPv2 routes are redistributed into the OSPF domain on router R5. What two types of LSAs will be originated by router R5?（）
单项选择题 Refer to the exhibit. What additional commands should be used to configure OSPF area 5 as a Totally Stubby area? （）
