which two components are important to minimize the effect of outages?

When planning high availability, which two components are important to minimize the effect
of outages? (Choose two.)

A.
work staff attributes, such as skills and communication

B.
redundancy, to prevent single points of failure

C.
processes, such as documentation, change control, and labs

D.
appropriate technology, such as hardware and software

E.
tools, such as those for monitoring and reporting