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Graded Assignment • 30 min
In the lecture videos, system requirements are described as part of a hierarchy of needs. What is at the top of the hierarchy?
At the top of this hierarchy you have the goals and objectives of the business. The next thing down on this hierarchy is stakeholder needs. Below stakeholder needs in this hierarchy you have system requirements.
Stakeholders are the individual employees of the business who have specific needs and play a role in delivering on the business objectives. Which of the following best represents an example of "stakeholder needs"?
This directly reflects the needs of a data analyst to have proper resources and robust data systems so that they can do their job and contribute toward business objectives, such as increasing monthly sales.
Which of the following are examples of nonfunctional requirements? Select all that apply.
This is a nonfunctional requirement as it pertains to the security attribute of the system, which is a characteristic of how the system functions, rather than what specific tasks it performs.
This is a nonfunctional requirement as it relates to the system's scalability and concurrency attributes.
Which of the following are examples of functional requirements? Select all that apply.
This is a functional requirement, as it specifies a particular function or capability of the system, which is in this case, detecting and reporting potentially fraudulent transactions.
This is a functional requirement, as it specifies a particular function or capability of the system, which in this case is combining and transforming sales data from different platforms.
According to the video this week on how to think about the tradeoffs between cost, scope, and timeline for your projects, what is the best approach when it comes to simultaneously optimizing for all three of these (i.e., breaking the "iron triangle")?
Nice work!
Which of the following statements is true when comparing AWS Glue ETL and Amazon EMR as batch data processing tools?
Both tools are designed to handle big data workloads, but the difference between these two tools comes down to the tradeoffs between control vs convenience. EMR serverless gives you more control over what you can do, while Glue ETL provides a more convenient experience.
Which of the following statements is true when comparing Amazon Kinesis Data Streams and Amazon Managed Streaming for Apache Kafka (MSK) as stream processing tools?
The difference between these two tools comes down to the tradeoffs between control vs convenience. MSK gives you a higher degree of flexibility and more control over what you can do, while Kinesis Data Streams is more user-friendly and reduces operational overhead, providing a more convenient experience.
