What is a ‘baseline’ used for in testing?

Prepare for the Ericsson Cloud RAN Exam. Practice with flashcards and multiple-choice questions, each with hints and explanations. Master the topics and pass confidently!

A baseline in testing serves as a reference point to evaluate performance metrics and track improvements over time. By establishing a baseline, testers can measure various aspects of a system's performance, such as speed, responsiveness, and resource utilization, against this standard. This comparison allows testers to determine whether changes made to the system—be it optimizations, upgrades, or bug fixes—yield positive outcomes or improvements.

For instance, if a system's response time is recorded as part of the baseline, future tests can utilize this data to identify any enhancements or regressions in performance. The baseline benchmark enables an objective evaluation of these changes, directly linking system modifications to observable metrics.

The other choices touch on related concepts but do not accurately describe the purpose of a baseline in testing. Establishing server requirements pertains more to initial capacity planning than performance comparison. Identifying all possible variables relates to test design and setup rather than baseline metrics. Creating automated testing scripts is related to test execution and efficiency, which, while important, does not involve the foundational comparison that baselines provide. Thus, the focus on comparing performance metrics and assessing improvements is what defines the essence of a baseline in testing.

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