Which of the following yields the HIGHEST level of system availability?
Which of the following yields the HIGHEST level of system availability?
Real-time replication ensures the highest level of system availability by continuously copying data to a secondary location in real time. This allows for immediate failover in case of a primary system failure, minimizing downtime and data loss. Other options such as backups, cloud storage, and hot swaps improve availability, but they do not offer the same level of immediacy and redundancy as real-time replication.
B. Real-time replication
Hot swaps (option D) involve replacing a failed component with a pre-installed spare component while the system remains operational. While hot swaps can contribute to availability by reducing the time needed to replace failed components, they do not necessarily ensure the same level of redundancy and immediate failover as real-time replication.
Hot Swap - no need to reboot system. This will ensure high availability of system.