Analyze the information given below and answer the question that follows.
"Data integration includes the practices, architectural techniques, and tools used to gain consistent access to data. regardless of data structure type or group, in order to meet the requirements of applications and business processes."
What is the source of the given information?

In which of the following layers of data abstraction architecture, data sources are integrated into the abstraction?

Which of the following components Of the logical data warehouse provides abstracted and semantic layer overview of enterprise data across virtualized, distributed and repository-based sources?

In data virtualization architecture, app server works at which of the following layers?

Which of the following Options is NOT a disadvantage of data warehouse (DWH)?

A switch is typically preconfigured with one _______________ that includes all its ports.

The _________ hypervisor is an example of an open source project.

To which Of the following options, it is difficult to accommodate changes in data warehouse (DWH)?

Which of the following options are correct about traditional Bl architecture?

Which of the following are the benef‌its of data abstraction?