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A company recently deployed new servers to create an additional cluster to support a new application. The corporate security policy states that all new servers must be resilient. The new cluster has a high-availability configuration for a smooth failover. The failover was successful following a recent power outage, but both clusters lost critical data, which impacted recovery time. Which of the following needs to be configured to help ensure minimal delays when power outages occur in the future?
Correct Answer: A
Replication ensures data consistency by synchronizing copies of data across clusters. This would prevent data loss during power outages. Caching provides faster data retrieval but does not ensure data persistence. Containerization improves deployment consistency but does not address resilience or data integrity. Redundancy relates to additional hardware or systems but does not guarantee up-to-date data. High availability addresses system uptime but does not prevent data loss.