Consumption Layer — Learn free

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Questions 1–10 of 10

1. What is the Consumption Layer?
Question 1A. The layer consumers use to extract information for reportingB. The layer that consumes or takes in data from source systemsC. The layer that stores pre-aggregated OLAP cubesD. The layer that exposes data through APIsE. The layer that archives removed data
2. Which layer is the Consumption Layer often confused with, because of its name?
Question 2A. Semantic LayerB. Speed LayerC. Serving LayerD. Batch LayerE. Landing Zone
3. In Lambda Architecture, which layers are the Consumption Layers?
Question 3A. The Serving Layer onlyB. The Batch and Speed LayersC. The Semantic Layer and OLAP CubesD. The Data Mart onlyE. The Landing Zone only
4. In a Data Warehouse, which zones make up the Consumption Layer?
Question 4A. Transformed Zone and Semantic LayerB. OLAP Cubes and Data MartsC. Landing and Staging zonesD. Serving and Speed layersE. Source and Target systems
5. What happens in the Landing Zone?
Question 5A. The source data model is copied on an as-is basisB. The data model is changed to business requirementsC. Technical data quality rules are appliedD. Data is exposed to end usersE. Data is aggregated into cubes
6. Which example describes a rule applied in the Staging Zone?
Question 6A. Joining customer and sales tables into a star schemaB. Calculating quarterly revenue KPIsC. Building a semantic layerD. Converting all date formats to one format and null values to a defaultE. Deleting data after its retention period
7. What kind of data quality rules are applied between the raw and processed layers?
Question 7A. Business data quality rulesB. Machine learning drift rulesC. Regulatory data quality rulesD. No data quality rules at allE. Technical data quality rules, not business data quality rules
8. In which zone is the data model changed according to business requirements, as in a Data Warehouse or Data Mart?
Question 8A. Transformed ZoneB. Staging ZoneC. Landing ZoneD. Speed LayerE. Serving Zone
9. Which tool is named as one of the most used consumption tools for real-time processing?
Question 9A. Oracle FormsB. TableauC. SSRSD. KafkaE. Cognos
10. Why are CDC tools becoming popular in Big Data consumption layers?
Question 10A. Because they encrypt data in transitB. Because they generate synthetic dataC. Because they produce canned reportsD. Because they replace HadoopE. Because they allow pulling only changed data from the source rather than a whole dump every time