The 10GE Networking of an OceanStor 9000 Uses a CE6850-48S4Q-EI

Multiple Choice

The 10GE networking of an OceanStor 9000 uses a CE6850-48S4Q-EI switch. Which of the following statements about the switch are correct? (Select two)

A) The switch supports a maximum of 32 10GE 5FP+ Ethernet optical ports.
B) The switch supports four 40GE QSFP+ Ethernet optical ports.
C) The 10GE ports on the switch can be used for interconnection between downstream storage nodes or connection between storage nodes and the upstream service network.
D) The 40GE ports are used for switch stacking.