Which two statements about DIMM replacement in Cisco UCS Servers are true?

A.	In blade servers, DIMMs can be installed in either 1, 2, 4, or 8 DIMMs per channel.
B.	Rack-mount and blade servers have memory fault LEDs that indicate which DIMM requires attention.
C.	In servers that require pairs of DIMMs, the pairs must be identical (manufacturer, size, part #, and so on).
D.	If the memory in a server is not fully populated, you can install DIMMs in any open slot.