Refer to the exhibit. Routers A and B are directly connected. Given the configuration， how many EIGRP routes will router B see in its routing table？（） 0。 1。 2。 3。 4。
半刚性材料
煤的密度组成通常采用（）的方法来测定。 小筛分试验。 浮沉试验。 小浮选试验。
记忆态度
Which two of these steps are minimum requirements to configure OSPFv3 under IPv6？（） Configure a routing process using the command ipv6 router ospf [process-id].。 Add the network statement for the interfaces on which OSPF will run.。 Configure OSPF on the interface that it will run on.。 Use the passive-interface command on the interfaces on which OSPF should not run.。 Enable routing.。
中兴OTN设备电层1+1保护触发条件包括（）
