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Free DAMA DMF-1220 Practice Exam with Questions & Answers | Set: 4

Questions 46

Please select the correct general cost and benefit categories that can be applied consistently within an organization.

Options:
A.

Cost of erasing data from servers

B.

Cost of improving data

C.

What the data could be sold for

D.

Benefit of higher quality data

E.

Cost of replacing data if it were lost

F.

What competitors would pay for data

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Questions 47

The CAP theorem asserts that the distributed system cannot comply with all the parts of the ACID. A distributed system must instead trade-off between the following properties:

Options:
A.

Consistency

B.

Utilization

C.

Availability

D.

System development

E.

Partition tolerance

F.

All of the above

Questions 48

The deliverables in the data architecture context diagram include:

Options:
A.

Data flows

B.

Enterprise data

C.

Implementation roadmap

D.

Data Value Chains

E.

None of the above

F.

All of the above

Questions 49

ISO 8000 will describe the structure and the organization of data quality management, including:

Options:
A.

Data Quality Availability

B.

Data Quality Planning

C.

Data Quality Control

D.

Data Quality Assurance

E.

Data Quality Improvement

Questions 50

Governance ensures data is managed, but is not include the actual act of managing data.

Options:
A.

TRUE

B.

FALSE

Questions 51

Machine learning explores the construction and study of learning algorithms.

Options:
A.

TRUE

B.

FALSE

Questions 52

The acroymn ACID stands for.

Options:
A.

Atomicity, completeness, independence and durability

B.

Actual, created, identifled and deleted

C.

Avallable, completeness, isolation and dangerous

D.

Atomicity, consistency, isolation and durability

E.

Available, corrupt, isolation and durable

Questions 53

The CAP theorem states that at most two of the three properties: consistency, availability and partition tolerance can exist in any shared data system.

Options:
A.

TRUE

B.

FALSE

Questions 54

Orchestration is the term used to describe how multiple processes are organized and executed in a system.

Options:
A.

TRUE

B.

FALSE

Questions 55

The four main types of NoSQL databases are:

Options:
A.

Document

B.

Row-orientated

C.

Graph

D.

Strategic

E.

Key-value

F.

Column-orientated

Questions 56

Taxonomies can have different structures, including:

Options:
A.

Polyhierarchy

B.

Application

C.

Facet taxonomy

D.

Network taxonomy

E.

Flat taxonomy

F.

All of the above

Questions 57

Inputs in the data quality context diagram include:

Options:
A.

Data stores

B.

Data lakes

C.

Business requirements

D.

Data quality expectations

Questions 58

A deliverable in the data security context diagram is the data security architecture.

Options:
A.

TRUE

B.

FALSE

Questions 59

Please select the correct name for the PDM abbreviation when referring to modelling.

Options:
A.

Physical Dimension Model

B.

Photo Data Model

C.

None of the above

D.

Probabilistic Dimension Model

E.

Photo Dimensional Model

F.

Physical Data Model

Questions 60

What type of key is used in physical and sometimes logical relational data modelling schemes to represent a relationship?

Options:
A.

Primary key

B.

Foreign key

C.

Network key

D.

Applications key

E.

Door key

F.

All of the above