单项选择题
A.a router with subinterfaces configured on the physical interface that is connected to the switch
B.a router with an IP address on the physical interface connected to the switch
C.a switch with an access link that is configured between the switches
D.a switch with a trunk link that is configured between the switches
单项选择题 Refer to the exhibit. What is the meaning of the output MTU 1500 bytes?（）
单项选择题 A cisco router is booting and has just completed the POST process.It is now ready to find and load an IOS image.what function does the router perform next?（）
单项选择题 The network administrator is asked to configure 113 point-to-point links.Which IP addressing scheme best defines the address range and subnet mask that meet the requirement and waste the fewest subnet and host addresses?（）