CompTIA Security+ Question I-71

Jane has implemented an array of four servers to accomplish one specific task. This is BEST known as which of the following?

A. Clustering
C. Load balancing
D. Virtualization

Answer: A

Anytime you connect multiple computers to work/act together as a single server, it is known as clustering. Clustered systems utilize parallel processing (improving performance and availability) and add redundancy (but also add costs).