Software Quality Assurance Practice Exam

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Prepare for the Software Quality Assurance Exam. Tackle multiple-choice questions with detailed explanations. Enhance your understanding and boost your confidence for your exam!

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Which is a possibility of a carrier's web proxy or transcoder?

Access blockade to all external websites
Transforming content into FTP
Data compression for better throughput
Full site replication for speed

The correct answer is: Data compression for better throughput

The option regarding data compression for better throughput highlights a significant feature of proxies and transcoders used by carriers. These systems play a crucial role in optimizing web content delivery, particularly over bandwidth-constrained networks. By compressing data, they reduce the size of web pages and images, enabling faster loading times and more efficient use of available bandwidth. This enhancement is particularly beneficial in mobile networks, where connection speeds may vary greatly and users expect a seamless experience. In contrast, the other options do not align with typical functionalities of a web proxy or transcoder. Access blockade to all external websites does not accurately describe the purpose of a proxy, as they usually facilitate access rather than restrict it. Transforming content into FTP is not a standard function of these systems, which primarily focus on HTTP or HTTPS content. Full site replication for speed, while it might seem beneficial, is not a common practice due to the complexities involved in maintaining up-to-date versions of replicated sites and the unnecessary consumption of additional resources. Thus, data compression stands out as a vital and practical capability that directly enhances user experience.