Multiple choice technology architecture

What do you need to implement to ensure that your servers are highly available to users ?

  1. Additional memory slots

  2. A RAID array

  3. Clustering

  4. Backup site
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Clustering allows multiple servers to work together so that if one fails, others can immediately take over, providing high availability to users. RAID protects against drive failure but not server failure. Backup sites are for disaster recovery, not continuous availability. Extra memory doesn't provide HA.

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