Refer to the exhibit.The network administrator is in acampus building distant from Building B.WANRouter is hosting a newly installed WAN link on interface S0/0.The new link is not functioning and the administrator needs to determine if the correct cable has been attached to the S0/0 interface.How can the administrator accurately verify the correct cable type on S0/0 in the most efficient manner?（）

• A、Telnet to WANRouter and execute the command show interfaces S0/0
• B、Telnet to WANRouter and execute the commandshow processes S0/0
• C、Telnet to WANRouter and execute the command show running-configuration
• D、Telnet to WANRouter and execute the command show controller S0/0
• E、Physically examine the cable between WANRouter S0/0 and the DCE.
• F、Establish a console sessionon WANRouter and execute the command show interfaces S0/0