DA Concepts

Which of the following include proprietary data?

a) Internally generated documents relating to an organisation’s research and development activities.

b) Documents published on an organisation’s website describing its product and services.

c) Internally generated documents that are made freely available to the public.

d) Documents an organisation wishes to keep confidential.

• a and d only

• b and c only

• a, b and c only

• b, c and d only.

An analyst is working with data provided by their organisation's purchasing department, which contains workforce expenditure and is confidential. It has been provided so that workforce costs can be analysed. What sort of data has the analyst been provided with?

• Operational.

• Obsolete.

• Sensory

• Public.

Which of the following CORRECTLY describes open data?

• Any data that is held in the public domain.

• Data that can be freely used, reused and redistributed.

• Data that is recorded and retained by the scientific community.

• Data that is obtained from collaboration between organisations.

Put the following steps involved in the ETL process in the CORRECT order.

a) Create the mapping.

b) Define the source.

c) Create the session.

d) Define the target.

e) Create the work flow.

• c, e, a, b, d.

• b, d, a, c, e

• a, c, d, e, b.

• d, b, a, c, e

An analyst with little or no knowledge of the industry they are working in could inadvertently lead their organisation astray. Which of the following would help the analyst avoid this?

a) Questioning the source and meaning of every data item before including it.

b) Employing predictive analysis tools at random stages of the analysis.

c) Assuming analysis techniques used in other industries are always applicable.

• a only.

• b and c only

• a and c only.

• b only.

Which of the following is NOT a stage of the data lifecycle?

• Migrated.

• Created.

• Archived.

• Deleted.

Which of the following is NOT a common format for structured data?

• Sequential data files, e.g. .CSV

• Extensible markup records, e.g. .XML

• Relational database tables, e.g. .Accdb

• Data compression archives, e.g. .ZIP

Which of the following statements is TRUE about structured and unstructured data analysis for businesses?

• Statistical analysis is more difficult on structured data than on unstructured data

• Unstructured data analysis is easier if a business's requirements are not very clear

• Modern statistical analysis tools always struggle with processing well-structured data

• Structured and unstructured data can both be used during statistical data analysis.

What is requirements analysis designed to resolve?

• Functional and non-functional requirements.

• Technical requirements.

• Requirements that are changed due to system limitations.

• Ambiguous, conflicting and duplicated requirements.

What is a requirements elicitation process?

• Gathering requirements for an analysis from stakeholders.

• Filtering the initial requirements for an analysis.

• Refining the formal requirements of an analysis.

• Gathering the data that will be used in an analysis.