AKTU Data Warehousing and Data Mining (RIT062) Question Paper 2018-19
| University | Dr. A.P.J. Abdul Kalam Technical University (AKTU), Lucknow |
|---|---|
| Course | B.Tech, Semester VI |
| Subject | Data Warehousing and Data Mining (RIT062) |
| Exam | Theory Examination 2018-19 (even semester) |
| Time · Marks | 3 hours · 70 marks |
| Source | AKTU question paper, from the ABESIT question paper bank |
Note: Attempt all Sections.
Section A
Q1. Attempt all questions in brief · 2 × 7 = 14 marks
- Define Data Mining?
- What is classification?
- Explain data generalization.
- Why is data preprocessing required?
- Define data compression?
- Explain Association rules.
- What is backup and recovery?
Section B
Q2. Attempt any three of the following · 7 × 3 = 21 marks
- Explain data cleaning and phases of data cleaning.
- What are the various requirements of clustering in data mining?
- How does a Snowflake schema differ from a STAR schema?
- Define the terms-- Aggregation, Historical Information and Query Facility.
- What is data warehousing with its advantages and disadvantages?
Section C
Q3
Attempt any one part of the following · 7 × 1 = 7 marks
- Explain data integration, transformation and loading.
- Define data reduction? Write down the various strategies for data reduction.
Q4
Attempt any one part of the following · 7 × 1 = 7 marks
- Find out the mean, variance and standard deviation for the height of animals 555mm,450mm,165mm,410mm and 300mm.
- Explain attribute relevance analysis with example.
Q5
Attempt any one part of the following · 7 × 1 = 7 marks
- How CURE is different from CHAMELEON.
- Explain Density-based and Grid-based clustering methods.
Q6
Attempt any one part of the following · 7 × 1 = 7 marks
- Write down the difference between OLTP and OLAP.
- Explain various architectures of data warehouse.
Q7
Attempt any one part of the following · 7 × 1 = 7 marks
- Explain web mining and types of web mining with example.
- What are the essential differences between the ROLAP and MOLAP?
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