Ethical Hacking Essentials Practice Test

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What web server component allows multiple domains to share resources on the same server?

Virtual hosting
File server
Load balancer
Database server

The correct answer is: Virtual hosting

Virtual hosting is the web server component designed to allow multiple domains to share resources on the same server. This capability is crucial for optimizing server usage and managing multiple websites without needing a separate physical server for each domain. By using virtual hosting, a single server can accommodate numerous websites, serving them based on the domain name included in the request header. This is particularly efficient and cost-effective for web hosting providers and businesses that need to host several sites without incurring the overhead of additional hardware. In contrast, a file server primarily focuses on file storage and management rather than serving web content, while a load balancer distributes network or application traffic across multiple servers to ensure reliability and performance. A database server is designed specifically for managing databases and handling data queries, which is different from the role of serving web pages. Thus, these other components do not inherently allow for the shared resources of multiple domains in the same manner that virtual hosting does.