Aptitude Reasoning English GK Computer Knowledge Programming Skill Banking Software Testing



Question - 1

It is used to push data into a relation database table. This control will be the destination for most fact table data flows.

  • Web Scraping
  • Data inspection
  • OLE DB Source
  • OLE DB Destination
Solutions
Question - 2

ETL Stands _____?

  • Extract, Transform, Load
  • Extract, Transition, Load
  • Explain, Transform, Locate
  • Explain, Transform, Load
Solutions
Question - 3

Which of the metadata approach helps in integration with multi-vendor tools along with flexibility?

  • Centralized API approach
  • Decentralized API approach
  • Centralized or repository approach
  • Decentralized or interchange approach
Solutions
Question - 4

Extract is the process____?

  • of adding new data to a database
  • of reading and collecting data from a database, the data is often collected from multiple sources.
  • of analyzing collected information
  • none of the above
Solutions
Question - 5

Which is not the ETL tools?

  • IBM- Websphere DataStage
  • Informatica- Power Center
  • Microsoft Dynamic AX
  • SAP- Business objects data service BODS
Solutions
Question - 6

Which following are the type of Data Warehouse systems?

  • Online Analytical Processing (OLAP)
  • Predictive Analysis
  • Online Transactional Processing
  • All the Above
Solutions
Question - 7

Which of the following are the ETL bugs??

  • Source Bugs
  • Load Condition Bugs
  • Calculation Bugs
  • All the above
Solutions
Question - 8

Which of the following is a data cleansing process?

  • Extracting only valid data
  • Checking referential integrity
  • Building dimensions
  • Summarizing data
Solutions
Question - 9

Transformation occurs by

  • using filters to remove bad data
  • using ERP systems to clean the data
  • using rules or lookup tables or by combining the data with other data.
  • None of the above
Solutions
Question - 10

Which method will decompose a free form product code having size and color information?

  • Mapping
  • Parsing
  • Using foreign keys
  • Defining an intelligent primary key
Solutions
Question - 11

The Transformation stage could include joining data from two different data sources, aggregating, concatenating, sorting and applying many advanced validation rules using

  • PTP Technologies
  • SQL SELECT Statements
  • ERP Technologies
  • None of above
Solutions
Question - 12

What is the benefit of storing attribute definitions as metadata?

  • Allows data load rules to be shared across multiple tools
  • Reduces overall storage requirements
  • Significantly enhances load time performance
  • Allows for bi-directional update of operational data
Solutions
Question - 13

Load is the process of

  • of writing the data into the target database.
  • of publishing the data to decision makers
  • of reviewing data in the database
  • of writing data into a RPA tool
Solutions
Question - 14

What are the Open Source ETL tools?

  • Pentaho
  • Kettle
  • Both
  • None of above
Solutions
Question - 15

Which one is not Enterprise ETL tool?

  • Informatica
  • Talend
  • IBM Datastage
  • Pentaho
Solutions
Question - 16

Two methods to ensure data integrity

  • Sources, Transformation, Destination
  • Data inspection
  • Row Count Inspection, Data Inspection
  • Row Count Inspection
Solutions
Question - 17

Three common usages of ETL

  • Data Scrubbing
  • Sources, Transformation, Destination
  • Merging Data
  • Merging Data, Data Scrubbing, Automation
Solutions
Question - 18

this should be check if column name have been included in the first row of the file.

  • Row Count Inspection, Data Inspection
  • Format of the Date
  • Column names in the first data row checkbox
  • Do most work in transformation phase
Solutions
Question - 19

This can be computationally expensive excluding SSD.

  • Hard Drive I/O
  • Mainframe
  • Tool Suite
  • Data Scrubbing
Solutions
Question - 20

A value of delimited should be selected for delimited files

  • Sort
  • Format
  • String
  • OLTP
Solutions
Tags:
ETL MCQ (Multiple Choice Questions), Advanced ETL MCQ, ETL MCQ Online test,ETL MCQ Questions and answers PDF, ETL Interview Questions With Answers, ETL Technical Questions with full explanation