Which tool can be used to upgrade the firmware of Virtual Connect Ethernet module? (Select two.)

A.
HP SUM

B.
OA

C.
VCSU

D.
VCEM

E.
HP SIM

Explanation:
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c016112
21&lang=en&cc=us&taskId=110&prodSeriesId=3201263&prodTypeId=32920(see VCSU)