What task should be completed to troubleshoot this issue?

An engineer needs to install an additional PSU on an existing, single PSU Dell EMC PowerEdge R740. They complete the initial installation and cabling procedures. They connect an AC cable and the power distribution unit produces normal AC output. The engineer checks power management and sees that the new PSU is in the Failed state.

What task should be completed to troubleshoot this issue?
A . Confirm the System Input Power CAP is not set to Low
B . Set the PSU AC redundancy to 1+1
C . Set the PSU AC redundancy to 1+0
D . Verify the new PSU is the same type and wattage rating

Answer: D