Three access ports have been installed and configured to a small office.What term defines the wireless topology?（）

While troubleshooting a network problem,a technician discovers that the current copy of the Cisco IOS is outdated and needs to be updated.Which of the following commands would the technician issue to replace the Cisco router IOS with the newer version?（）

Which pairing reflects a correct protocol-and-metric relationship?（）

How are VTP advertisements delivered to switches across the network?（）

Which statement is true, as relates to classful or classless routing?（）

Which Cisco IOS diagnostics command can disrupt the operation of a router under high-load conditions?（）

Three switches are connected to one anther via trunk ports.Assuming the default switch configuration,which switch is elected as the root bridge for the spanning-tree instance of vlan 1?（）

Which statement describes the rule of split horizon?（）

What is the default administrative distance of OSPF?（）

A network administrator is trying to add a new router into an established OSPF network.The networks attached to the new router do not appear in the routing tables of the other OSPF routers.Given the information in the partial configuration shown below,what configuration error is causing this problem?（）Router(config)#router ospf 1Router(config-router)#network 10.0.0.0 255.0.0.0 area 0