GCP Professional Cloud Architect Practice Question
You are meeting with the product owner of a finance company to capture requirements for a new invoice-processing service being migrated to Google Cloud. The team provides several desired characteristics. To record them correctly in your architecture decision log, you must distinguish functional requirements from non-functional ones. Which statement below describes a functional requirement?
Invoice metadata must be retained for at least seven years to meet regulatory requirements.
Processing latency per invoice must not exceed 500 milliseconds at the 95th percentile.
The service must allow accounts-payable staff to upload PDF invoices and receive a structured JSON extraction for each file.
The system must achieve 99.95 % monthly availability across two regions.
A functional requirement specifies a behavior the system must perform. Allowing accounts-payable staff to upload invoice PDFs and obtain a structured JSON extraction defines a concrete capability of the service and is therefore functional. The other statements describe how well the system must perform or comply: long-term data retention is a compliance constraint, 99.95 % availability is a reliability target, and sub-500 ms latency is a performance goal. These are all non-functional requirements.
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What is the difference between functional and non-functional requirements?
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What are examples of non-functional requirements?
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Why is distinguishing between functional and non-functional requirements important in system design?
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What is the difference between functional and non-functional requirements?
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Why is 'uploading PDF invoices' classified as a functional requirement?
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Can non-functional requirements impact functional requirements?
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GCP Professional Cloud Architect
Designing and planning a cloud solution architecture
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