Which two descriptions of a Cisco UCS I/O Module are true?
A. connects a fabric interconnect to a blade server
B. provides centralized log management
C. connects a fabric interconnect and a Layer 3 switch
D. extends the fabric access layer to a server
E. connects a Cisco UCS server to a WAN optimizer
A is correct.
The Fabric Extender (also referred to as the I/O Module, IOM, or FEX) logically extends the fabric interconnects to the blade server. The best analogy is to think of it as a remote line card that’s embedded into the blade server chassis, allowing blade connectivity to the external world. …
https://www.oreilly.com/library/view/ccna-data-center/9780133860429/ch13lev3sec14.html
I think “C” is not correct. It looks like “A” second answer