DMF-1220 exam

A data dictionary is necessary to support the use of a DW.A . TRUEB . FALSEView AnswerAnswer: A

Big data primarily refers specifically to the volume of the data.A . TRUEB . FALSEView AnswerAnswer: B

Advantages if a centralized metadata repository include:A . Quick metadata retrievalB . None of the aboveC . Combining data from multiple other tables in advance to avoid costly run-time joinsD . All of the aboveE . High availabilityF . Low latency, since it is independent of the source systemsView AnswerAnswer:...

There are several reasons to denormalize data. The first is to improve performance by:A . Creating smaller copies of fata to reduce costly run-time calculations and/or table scans of large tables.B . None of the aboveC . Pre-calculating and sorting costly data calculations to avoid runt-time system resource competition.D ....

Master data management includes several basic steps, which include: Develop rules for accurately matching and merging entity instances.A . TRUEB . FALSEView AnswerAnswer: A

Functionality-focused requirements associated with a comprehensive metadata solution, include:A . SynchronizationB . StructureC . None of the aboveD . HistoryE . VolatilityF . Access rightsView AnswerAnswer: A,B,D,E,F

SSD is the abbreviation for Solid State Dimension.A . TRUEB . FALSEView AnswerAnswer: B

Business metadata focuses largely on the content and condition of the data and includes details related to data governance.A . TRUEB . FALSEView AnswerAnswer: A

Veracity refers to how difficult the data is to use or to integrate.A . TRUEB . FALSEView AnswerAnswer: B

Use business rules to support Data Integration and Interoperability at various points, to:A . Direct the flow of data in the organizationB . Monitor the organization’s operational dataC . Software alerts when events are triggeredD . Direct when to automatically trigger events and alertsE . Consistency in allocation event resourcesF...