What are the hardware components in a Gen4 cube?
1. One Automatic (AC) Transfer Switch (ATS) to provide power failover
2. Front-pluggable drive
3. Two internal Network Cube Switches (NCS) in single cube
4. Configuration with 4, 8, 12 or 16 nodes
5. Two internal Lan-48 port cube switches

A.
All of the above

B.
2, 3 and 4

C.
1, 2 and 3

D.
3, 4 and 5