Final answer:
Stress testing is the term used to describe executes a system abnormally to demand resources and evaluate performance under extreme conditions.
Step-by-step explanation:
The term used to describe the testing that executes a system in a manner that demands resources in abnormal quantity, frequency, or volume is called stress testing. This type of testing is designed to evaluate how a system behaves under extreme conditions, which can include excessive loads, reduced availability of resources, or other challenging scenarios. The purpose of stress testing is to identify system thresholds and ensure that the system can maintain an acceptable level of performance even when pushed beyond its normal operational capacity.