Data Serving or Serving Layer — Learn free

Self-check

Questions 1–10 of 10

1. In which architecture is the Serving Layer the last component?
Question 1A. Kappa ArchitectureB. Lambda ArchitectureC. Star SchemaD. Snowflake SchemaE. Data Vault
2. To whom is the Serving Layer exposed, and for what purpose?
Question 2A. To developers, for testingB. To source systems, for data ingestionC. To end users, for reporting purposesD. To auditors, for encryption checksE. To procurement, for buying hardware
3. Which kind of system is NOT meant to be exposed for reporting purposes?
Question 3A. Data WarehouseB. OLAPC. Semantic LayerD. OLTP systemsE. Data Lake
4. Which layer should ideally be treated as the Serving Layer when it is designed for a specific business requirement?
Question 4A. The Landing ZoneB. The Semantic LayerC. The OLTP systemD. The Staging ZoneE. The Speed Layer
5. If a Serving Layer is designed for generic use, which stores can fulfil that role?
Question 5A. Only the Semantic LayerB. Only OLTP systemsC. Data Warehouse, OLAP, Data Lake or NoSQLD. Only KafkaE. Only spreadsheets
6. Why is the JDBC Connector described as the most generic way to connect to any system?
Question 6A. Because every system has at least JavaB. Because it is the fastest connectorC. Because it is free of security parametersD. Because Oracle invented itE. Because it only works with OLAP
7. How does a Native Driver differ from a plain JDBC or ODBC connector?
Question 7A. It does not use JDBC or ODBC at allB. It cannot connect databasesC. It only works on mainframesD. It is used only for online portalsE. It is built on JDBC and ODBC connectors but can also include security parameters
8. What is the major difference between Native Drivers and APIs for connecting to the Serving Layer?
Question 8A. Native Drivers connect source and target databases, whereas APIs expose data on online portalsB. APIs do not use JDBC or ODBCC. Native Drivers are slower than APIsD. APIs cannot include security parametersE. Native Drivers are only for NoSQL
9. Which of the following is NOT listed as a technology for connecting to the Serving Layer?
Question 9A. JDBC ConnectorB. ODBC ConnectorC. Native DriverD. APIE. Floppy Drive
10. Which vendor is named as supporting the ODBC connector?
Question 10A. MicrosoftB. IBMC. GoogleD. OracleE. Amazon