A server farm consisting of multiple similar servers seen as a single IP address from users interacting with the
group of servers is an example of which of the following?

A.
Server clustering

B.
Redundant servers

C.
Multiple servers

D.
Server fault tolerance

Explanation:
A server cluster is a group of servers that are viewed logically as one server to users and can be managed as a
single logical system through a single IP address.
Incorrect Answers:
B: Redundant servers are not grouped together and can be managed through a single IP address.
C: In general, a group of multiple servers can be grouped together and managed through a single IP address.
D: Server fault tolerance is not related to managing a group of servers through a single IP address.

Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, 2013, p. 1272