WGU C175 Pre-Assessment Questions and Answers with Verified Solutions

What is a broad definition of data? Raw facts that are captured on printed or digital media What are data? Facts that are collected and stored in a database system What is a determining characteristic of unstructured data? It does not follow a data model. Which is true about flat files? They contain no internal hierarchical organization. Which technology has no internal hierarchy? Flat files How were data retrieved before database management systems? Sequentially from simple files In which two ways does a database management system environment increase effectiveness in working with data? - It enables data sharing, - It permits storage of vast volumes of data. What is the uniquely identifiable element about which data can be categorized in an entityrelationship diagram? Entity typesWhich classification is correct for the box marked "Quantity" in the given entity-relationship diagram? Intersection data Which data classification is an entity? Event