Which one of the following best describes the "difficult to measure workloads" problem for data centres?

huge investment in hardware and maintenance

the problem of superfluous hardware

interconnection when integrating new machines

the variation between workloads causing low server utilisationWhat is the CAP theorem?

The CAP theorem states that it is impossible to simultaneously achieve redundancy, replication and recovery.

The CAP theorem states that it is impossible to simultaneously provide consistency, availability, and partition tolerance in a distributed system.

The CAP theorem states that it is impossible to simultaneously provide consistency and availability in a system.

The CAP theorem states that it is impossible to simultaneously provide availability and partition tolerance in a system.