The correct answer is D.
OBJ-3.3: A load balancer allows for high availability and the ability to serve increased demand by splitting the workload across multiple servers. RAID is a high availability technology that allows for multiple hard disks to act logically act as one to handle more throughput, but this will not solve the higher demand on the server’s limited processing power like a load balancer would. A VPN concentrator is a networking device that provides secure creation of VPN connections and delivery of messages between VPN nodes. A data loss prevention (DLP) system is focused on ensuring that intellectual property theft does not occur. Therefore, a DLP will not help meet the increased demand from new students.