Study tips 640-822

What is the bandwidth on the WAN interface of Router1?

What interfaces on Router1 have not had any configurations applied?

which Router1 is connected?

Which commands will correct this issue?

Which router command can be used to determine the status of Serial 0/0?

Which commands display information about the Cisco IOS software version currently running on a router?

what will be displayed when the show interface serial 0/0 command is issued by the administrator?

Why has the technician received the error message that is shown following the last command?

What does this indicate?

What would be the most effective steps to troubleshoot this physical layer problem?