An administrator is supporting an AIX 6.1 LPAR remotely and needs a tape operator to plug a cable into an Ethernet adapter. The tape operator does not have POWER6 595 knowledge.  What can the administrator do to assist the tape operator to locate the correct adapter？（）  

• A、Advise the tape operator to review the hardware service guide.
• B、Use the diag command to set the Ethernet adapter slot LED to flash.
• C、Advise the tape operator to check the WWN stickers of all Ethernet adapter in the I/O drawers.
• D、Create a login account for tape operator on the HMC and advise the tape operator to locate the adapter using the GUI step by step.