多项选择题
A. OSPF will have an AD of 180 for routes from 10.1.10.1 in the 172.16.0.0/16 range.
B. The neighbor RID is 10.1.10.1
C. OSPF will have an AD of 180 for all routes.
D. The local RID is 10.1.10.1
单项选择题 An engineer is trying to summarize the following networks using the "ip summary- address eigrp"command: 10.8.88.0/25 10.8.89.48/29 10.8.64.96/27 Which network and subnet mask below would be the smallest EIGRP summary address to include all three subnets?（）
多项选择题 Which of the following must match for two directly connected routers running OSPF to establish a neighbor adjacency?（）
单项选择题 Router R1, a branch router, connects to the Internet using DSL. Some traffic flows through a GRE and IPsec tunnel, over the DSL connection, destined for an Enterprise network. Which of the following answers best describes the routers logic that tells the router, for a given packet, to apply GRE encapsulation to the packet?（）