You are designing the monitoring architecture and procedures for an X5 Database Machine fabric consisting of two full racks, to provide for the monitoring for all components on the critical path of the admin network. Which two components need to be monitored? 

Answer options:

A. the Infiniband leaf switches
B. the power distribution units
C. the Cisco 48 port Catalyst Ethernet Switch
D. the InfiniBand spine switches

CD

The Cisco Catalyst 4948 Ethernet switch is supplied with the Oracle Exadata Rack. D: Figure: Running the Subnet Manager in Different Rack Configurations 

References: https://docs.oracle.com/cd/E18476_01/doc.220/e18478/GUID-9FF8B5B0-3481-4B73-89D3-108CBD7EB989.htm#ELMOG76346 http://docs.oracle.com/cd/E80920_01/DBMIN/configuring-exadata.htm#DBMIN21274