CS614 FINAL TERM MCQS 2023

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Created on July 06, 2023 By Dilawar

CS614 Final term important mcqs 2023

1 / 20

Data dependencies between different phases of computation introduce synchronization requirements that force ___execution.

Sequential

Analogous

Parallel

2 / 20

An optimized structure which is built primarily for retrieval, with update being only a secondary consideration is

Inverted Index

OLTP

OLAP

3 / 20

____if fits into memory, costs only one disk I/O access to locate a record by given key.

A Sparse Index

A Dense Index

An Inverted Index

4 / 20

_____says that as far as company goals are concerned, the entire company pursues in the
same direction

Bill Inmon

Kimball

Westerman

5 / 20

A dense index, if fits into memory, costs only___ disk I/O access to locate a record by given key.

one

two

three

6 / 20

.Implementation of a data warehouse requires ____activities

Highly integrated

Loosely integrated

Tightly decoupled

None of the above

7 / 20

.In___ phase of Kimballs approach, we identify the components needed now and in future.

Requirement definition

Architectural design

Product development

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Which of the following activity executes parallel with all other activities in Kimball’s DWH development approach?

Requirement elicitation

Project planning

Project management

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Which of the following is the most ignored step during data warehouse development

Success criteria development

The vision definition

Schema validation

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Which of the following is NOT one of the methodologies for Data Warehouse project development?

Goal Driven

Data Driven

System Driven

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In ____phase of a fundamental data warehouse life cycle model, a working model of data warehouse is deployed for a selective set of users

Design

Prototype

Deployment

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A typical cycle of implementing the change in DWH comprises of the sequence:

Production -> QA -> Development

Development -> QA -> Production

Development -> Production-> QA

13 / 20

Goal driven approach of data warehouse development was result of____ work.

Bill Inmon

Westerman

Bohnlein and Ulbrich-vom

14 / 20

A top down implementation approach is useful when

Technology is mature and well understood

Business objectives are unclear

Problem to be solved are not well documented

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In lifecycle data track, we begin with translating the requirements into dimensional model, which then transforms into_____

Physical structure

Logical structure

Conceptual structure

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Horizontally wide data means:

Dataset has large no. of attributes

Dataset has large no. of records

Dataset has attribute skews

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As per Bill Inmon, a data warehouse, in contrast with classical applications is:

Data driven

Resource driven

Requirement driven

18 / 20

Waterfall is a/an____ model

Iterative

Simple linear sequential

Object oriented

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Spiral model is______

Sequence of waterfall model

Risk oriented model

An iterative model

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Bill Inmon argues that requirements are well understood only after

They are documented

They extracted and verified

Data warehouse is populated

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The average score is 83%

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