A financial services company is experiencing frequent timeouts on its public-facing web application during peak trading hours. An investigation reveals that while multiple web servers are available, all user traffic is being directed to a single server, causing it to become overloaded. Which of the following should be implemented to distribute user requests across all available servers and improve application availability?
Load balancing is the appropriate solution for distributing incoming network traffic across multiple servers, which prevents any single server from becoming overwhelmed. This directly addresses the scenario where all traffic is hitting one server. Failover clustering is a high-availability technique where a redundant server takes over if the primary server fails, but it does not inherently distribute traffic across multiple active servers. Network segmentation is used to divide a network into smaller, isolated zones for security and traffic management, not for distributing load to servers. A software-defined wide area network (SD-WAN) is a technology for managing and optimizing WAN connections between sites, not for distributing application load within a data center.
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