Functional requirements specify what the system should do—its specific behavior or functions. They define features and capabilities related to inputs, processes, and outputs of the system.
D. The system is able to require passwords describes a specific function of the system—authentication using passwords—which is a functional requirement.
Other Options:
A. The system can be accessed from multiple locations.
This is a non-functional requirement related to availability and accessibility.
B. The system can handle 3,000 user requests concurrently.
This is a non-functional requirement related to performance and scalability.
C. The system provides a user-friendly interface.
This is a non-functional requirement related to usability.
B is correct.
option B clearly states a specific functionality that the system needs to have, which is the ability to handle 3,000 user requests concurrently. This requirement specifies a quantitative performance metric related to the system's capacity to handle a certain number of user requests simultaneously.
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