Which of the following best describes the purpose of replication in a security architecture context?
Replication is the method of encrypting data so it is unreadable by unauthorized users.
Replication is the strategy of distributing network traffic across several servers to enhance performance.
Replication refers to the periodic process of backing up data onto magnetic tape storage systems for archival purposes.
Replication is the process of copying data from one location to another to ensure data availability in case of a site failure.