单项选择题
A.iproute0.0.0.0255.255.255.0172.16.100.2
B.iproute0.0.0.0255.255.255.252128.107.1.1
C.iproute0.0.0.00.0.0.0128.107.1.1
D.iproute0.0.0.00.0.0.0172.16.100.1
E.iproute0.0.0.0255.255.255.255172.16.100.2
F.iproute0.0.0.00.0.0.0172.16.100.2
单项选择题 A network administrator needs to allow only one Telnet connection to a router. For anyone viewing the configuration and issuing the show run command, the password for Telnet access should be encrypted. Which set of commands will accomplish this task?（）
单项选择题 A router has learned three possible routes that could be used to reach a destination network. One route is from EIGRP and has a composite metric of 20514560. Another route is from OSPF with a metric of 782. The last is from RIPv2 and has a metric of 4. Which route or routes will the router install in the routing table?（）
单项选择题 Refer to the exhibit.A new subnet with 60 hosts has been added to the network.Which subnet address should this network use to provide enough usable addresses while wasting the fewest addresses?（）
