Data Processing Assistant Model Paper
If You are appearing in UPSC exam for Data Processing Assistant posts in Information Technology Department, Govt. of NcT of Delhi or in National Crime Records Bureau (NCRB), Women Safety, Ministry of Home Affairs which will be conducting on 30th Jan 2022 at various exam centers and searching the Data Processing Assistant Previous year papers. Then you are at right place. Here we are providing the Data Processing Assistant Model paper on Data Mining & Data Warehousing
Solapur University MCA (Semester-IV) Paper on Data Mining and Warehouse March 2019
| Sr. No. | Question |
| 1 | The full form of OLTP is _________
(a) Online Transaction Processing (b) Online Transfer Processing (c) Online Transport Preparation (d) Online Transportation Performance |
| 2 | An __________system is market-oriented and is used for data analysis by knowledge workers
(a) OLAP (b) OLTP (c) OLEP (d) None of these |
| 3 | _______________schema can be viewed as a collection of stars.
(a) Star (b) Snowflake (c) Fact constellation (d) Hybrid |
| 4 | The ____________operation performs aggregation on a data cube, either by climbing up a concept hierach for a dimension or by dimension reduction.
(a) Roll – up (b) Drill – down (c) Drill -rotate (d) Rule -up |
| 5 | ________ it navigates from less detailed data to more detailed data
(a) Roll – up (b) Drill – down (c) Drill -rotate Rule -up |
| 6 | The _________operation performs a selection on one dimension of the given cube, resulting in a subcube.
(a) Disc (b) Drill- down (c) Roll – up (d) Slice |
| 7 | A _______ is a set of views over operational databases.
(a) Enterprise warehouse (b) Data mart (c) Virtual warehouse (d) Refresh |
| 8 | A ___________contains a subset of corporate-wide data that is of value to a specific group of users.
(a) Enterprise warehouse (b) Data mart (c) Virtual warehouse (d) Refresh |
| 9 | __________, which detects errors in the data and rectifies them when possible.
(a) Refresh Data (b) Data Transformation (c) Data Cleaning (d) Data Extraction |
| 10 | ________include concept description, association, classification, prediction and clustering.
(a) Task relevant data (b) Kinds of knowledge (c) Background knowledge (d) Interestingness measure |
| 11 | The deeper the abstraction klevel, the smaller the corresponding threshold
(a) Reduced Support (b) Same support (c) Uniform support (d) Minimum support |
| 12 | Multidimensional association rules with no repeated predicates are called _________
(a) Single dimensional association rules (b) Interdimensional Association rules (c) Hybrid- dimensional Association rules (d) None of these |
| 13 | The class label of each training tuple is NOT known, and the number or set of classes to be learned may not be learned may not be known in advance is known as
(a) Unsupervised learning (b) Self learning (c) Supervised learning (d) None of these |
| 14 | A divisive hierarchical clustering method employs a ______strategy.
(a) Top – down (b) Bottom – up (c) Random (d) None of these |
| Published on 27th Sept 2021 | |
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