Data Hierarchy — Learn free

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Questions 1–10 of 10

1. What distinguishes Data Hierarchy from Data Taxonomy and Data Ontology?
Question 1A. Data Hierarchy is metadata while the other two present actual dataB. Data Hierarchy applies only to unstructured dataC. Data Hierarchy is used for security, the others for reportingD. Data Hierarchy presents actual data, whereas Data Taxonomy and Data Ontology are metadata for Data GovernanceE. There is no difference; the terms are interchangeable
2. Which of the following is given as a well-known example of a Data Hierarchy?
Question 2A. An organisational chart running from the CEO down to the Database AdministratorB. A data dictionaryC. A business glossaryD. A list of regulatory requirementsE. A firewall rule set
3. To what do Data Taxonomies apply?
Question 3A. Terms, concepts or categoriesB. Bytes and bitsC. Identified objects or phenomenaD. Network segmentsE. User access rights
4. To what do Data Ontologies apply?
Question 4A. Identified objects or phenomenaB. Physical storage devicesC. Rows of actual dataD. Database backup schedulesE. Terms, concepts or categories
5. Which sequence correctly shows the Data Hierarchy at database level?
Question 5A. Bits, Bytes, Database, Tables, Records, ColumnsB. Database, Files or Tables, Records, Fields or Columns, Bytes, BitsC. Records, Database, Tables, Bits, Bytes, ColumnsD. Database, Bits, Bytes, Records, Tables, ColumnsE. Tables, Database, Columns, Records, Bytes, Bits
6. What kind of parent-child relationship exists among the rows of a dataset in a Data Hierarchy?
Question 6A. Multiple parents and a single childB. No parent-child relationship at allC. Multiple parents and multiple childrenD. A single parent and multiple childrenE. A single parent and a single child
7. Which of the following is NOT given as an example of a Data Hierarchy?
Question 7A. An organisational chartB. A data dictionaryC. A family treeD. Database, Tables, Records, Columns, Bytes, BitsE. A chain of relationships in actual data
8. Why is data grouped into a Data Hierarchy?
Question 8A. So that data exploration and representation become easyB. To reduce the storage footprintC. To satisfy encryption standardsD. To eliminate the need for metadataE. To prevent users from querying it
9. Which two terms are described as metadata used for the purpose of Data Governance?
Question 9A. Data Hierarchy and Data LineageB. Data Hierarchy and Family TreeC. Data Ontology and Data HierarchyD. Data Taxonomy and Data HierarchyE. Data Taxonomy and Data Ontology
10. How is Data Hierarchy defined?
Question 10A. A set of terms and conceptsB. A classification of identified phenomenaC. A chain of relationship in actual dataD. A list of governance policiesE. A collection of unrelated records