多项选择题
A.Router1 has specific boot system command that instruct it to load IOS from TFTP server.
B.Router1 is acting as a TFTP server for other routers.
C.Router1 cannot locate a valid IOS image in flash memory.
D.Router1 defaulted to ROMMON mode and loaded the IOS image from a TFTP server.
E.Cisco routers will first attempt to load a image from TFTP for management purposes.
单项选择题 Refer to the exhibit. Given the output for this command, if the router ID has not been manually set, what router ID will OSPF use for this RouterD?（）
多项选择题 Which two locations can be configured as a source for the IOS image in the boot system command?（）
单项选择题 Refer to the exhibit.Assuming that the entire network topology is shown, what is the operational status of the interfaces of R2 as indicated by the command output shown?（）