单项选择题
A.Add two more FastEthernet interfaces.
B.Add a second router to handle the vlan traffic.
C.Use a hub to connect the four vlans with a FastEthernet interface on router.
D.Implement a router-on-a-stick configuration.
单项选择题 Refer to the exhibit a network administrator cannot establish a telnet session with the indicated router at is the cause of this failure?（）
单项选择题 Refer to the exhibit. When running EIGRP, What is required for RouterA to exchange routing updates with RouterC?（）
单项选择题 Refer to the exhibit. Which of these statements correctly describes the state of the switch once the boot process has been completed?（）