多项选择题 The switches shown in the diagram, Core and Core2, are both Catalyst 2950s. The addressing scheme for each company site is as follows:Router Ethernet port - 1st usable addressCore - 2nd usable addressCore2 - 3rd usable addressFor this network, which of the following commands must be configured on Core2 to allow it to be managed remotely from any subnet on the network? （）

单项选择题 Which type of EIGRP route entry describes a fesible successor？（）

单项选择题 无类路由协议路由表表目为三维组，其中不包括（）。