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DMF-1220
Data Management Fundamentals Questions and Answers

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Viewing page 14 out of 15 pages

Viewing questions 196-210 out of questions

Questions # 196:

The accuracy dimension has to do with the precision of data values.

Options:

TRUE

FALSE

Answer

Questions # 197:

Data warehouses are often loaded and serviced by a nightly batch window.

Options:

FALSE

TRUE

Answer

Questions # 198:

Business activity information is one of the types of data that can be modelled.

Options:

TRUE

FALSE

Answer

Questions # 199:

Basic profiling of data involves analysis of:

Options:

Data sources, data visualisations, data latency and ownership

Data clusters, data clouds, data repositories and metadata libraries

Data lakes, data warehouses and operational data stores

Data formats, data values, patterns and relationships

Data criteria, data acquisition, data policy and procedures inside dataGovernance

Answer

Questions # 200:

Considerations for whether to integrate two data stores should include all except

the:

Options:

Maintaining of master data trust across the two data stores

Privacy and access consideration for the data

Complexity of data operations

Ability to govern the data across both systems

Capability of the systems to support the data natively

Answer

Questions # 201:

The load step of ETL is physically storing or presenting the results of the transformation in the target system.

Options:

TRUE

FALSE

Answer

Questions # 202:

Project that use personal data should have a disciplined approach to the use of that data. They should account for:

Options:

What activities analytics will focus on

How they select their populations for study

All of the above

How data will be captured

How results will be made accessible

Answer

Questions # 203:

In an information management context, the short-term wins and goals often arise from the resolution of an identified problem.

Options:

TRUE

FALSE

Answer

Questions # 204:

Adoption of a Data Governance program is most likely to succeed:

Options:

When the CDO is a charismatic leader

In 1 or 2 months with a large consulting team

When the entire enterprise is partaking at once

When dictated by senior executives

With an incremental rollout strategy

Answer

Questions # 205:

Content needs to be modular, structured, reusable and device and platform independent.

Options:

TRUE

FALSE

Answer

Questions # 206:

Data Governance requires which of the following?

Options:

Culture Change

Data Reference Model

Data Governance Tools

Master Data Management

Data Dictionary

Answer

Questions # 207:

Data quality issues cannot emerge at any point in the data lifecycle.

Options:

FALSE

TRUE

Answer

Questions # 208:

Measuring the effects of change management on in five key areas including: Awareness of the need to change; Desire to participate and support the change; Knowledge about how to change; Ability to implement new skills and behaviors; and Reinforcement to keep the change in place.

Options:

FALSE

TRUE

Answer

Questions # 209:

A project scope requires the collection, exchange, and reporting of data from multiple in-house custom systems. Documents gathered include business concepts, existing database schemas, XSDs, and reporting layouts. How many models of each layer of abstraction can be expected?

Options:

More XSDs than reporting layouts

The same number of each of the model types

More physical data models than logical data models, and more logical data models than conceptual data models

Only 1 conceptual data model, 1 logical data model, and 1 physical data model

More conceptual data models than physical data models

Answer

Explanation

In data modeling, there are three levels of abstraction: conceptual, logical, and physical. For a project involving multiple systems, the DAMA-DMBOK explains: “Conceptual models are high-level and few in number, focusing on business entities and relationships. Logical models provide more detail, mapping to multiple systems or schemas, and physical models are the most numerous, tailored to specific database implementations” (DMBOK2, Chapter 5: Data Modeling and Design, p. 177). Since each system may have its own physical schema (physical model) and multiple systems may share logical models, while a single or few conceptual models cover the enterprise, the number of models typically follows: physical > logical > conceptual.

Options A and B don’t address modeling layers; D assumes only one model per layer, which is unrealistic for multiple systems; and E reverses the hierarchy. Thus, C is correct.

[Reference:DAMA-DMBOK2, Chapter 5: Data Modeling and Design, Section 3.2, p. 177., ]

Questions # 210:

A key feature of the Bill Inmon's approach to data warehousing is: