单项选择题
Refer to the exhibit:The technician wants to upload a new IOS in the router while keeping the existing IOS. What is the maximum size of an IOS file that could be loaded if the original IOS is also kept in flash?（）
A.3MB B.4MB C.5MB D.7MB E.8MB
单项选择题 Which command is used to display the collection of OSPF link states?（）
多项选择题 What two things will a router do when running a distance vector routing protocol? （）
单项选择题 Which command displays CPU utilization?（）
