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DMF-1220 Exam Dumps - Data Management Fundamentals

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Question # 81

Typically, DW/BI have three concurrent development tracks:

A.

Data mart

B.

Business Intelligence tools

C.

Data

D.

System development

E.

Techonology

F.

None of the above

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Question # 82

The IBM Data Governance Council model is organized around four key categories. Select the answer that is not a category.

A.

Outcomes

B.

System Lifecycles

C.

Enablers

D.

Core disciplines

E.

Supporting disciplines

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Question # 83

Big data is often defined by three characteristics. They are:

A.

Size, Speed and Sensitivity

B.

Volume, Variety and Velocity

C.

Direction, Depth and Details

D.

Expansive, Engaged and Enormous

E.

Complexity, Compliance and Completeness

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Question # 84

Content management includes the systems for organizing information resources so that they can specially be stored.

A.

TRUE

B.

FALSE

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Question # 85

A data model that consists of a single fact table linked to important concepts of the

business is a:

A.

elational Model

B.

Dimensional Model

C.

Transition State Model

D.

Process Model

E.

Machine Leaming Model

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Question # 86

Device security standards include:

A.

Access policies regarding connections using mobile devices

B.

Awareness of security vulnerabilities

C.

Installation of malware software

D.

Storage of data on fixed devices

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Question # 87

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 above

C.

Pre-calculating and sorting costly data calculations to avoid runt-time system resource competition.

D.

Making tables more readable when no foreign key exists

E.

Combining data from multiple other tables in advance to avoid costly run-time joins

F.

All of the above

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Question # 88

In gathering requirements for DW/BI projects, begin with the data goals and strategies first.

A.

TRUE

B.

FALSE

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