05th
May
Informatica MCQ

Informatica MCQ

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  • 05th May, 2021
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Informatica MCQ Quiz

Following are mostly asked Informatica MCQ test that are designed for professionals like you to crack you interviews. You can take this Informatica online test before appearing to you real interview. This Informatica quiz there are around 30+ multiple choice questions on Informatica with four options.

1) What is Informatica?

  • A. A Software development company
  • B. A language
  • C. A framework
  • D. None of the above

2) What are the services & components of the Informatica ETL tool?

  • A. Informatica Designer
  • B. Workflow Monitor
  • C. Repository Manager
  • D. All of the above

3) Integration service is the ___ for the Informatica.

  • A. executing engine
  • B. ETL Tool
  • C. SOA
  • D. None of the above

4) ___ are objects which can be referenced throughout the mapping run (to access their values) and their values can be reassigned.

  • A. Mapping variables
  • B. Mapping Parameters
  • C. Mapping designer
  • D. All of the above

5) In Informatica, A ___ is required to run a mapping.

  • A. Session task
  • B. Command task
  • C. Email task
  • D. None of the above
Download Free : Informatica MCQ PDF

6) Workflow names are prefixed with using '___'.

  • A. wkf_
  • B. wfi_
  • C. Both A and B
  • D. None of the above

7) if you have a session named 's_m_employee_detail' then workflow for the same can be named as '___'.

  • A. wkf_s_m_employee_detail
  • B. s_m_employee_detail_wkf_
  • C. s_m_employee_detail.wkf_
  • D. All of the above

8) An informatica variable contains ___.

  • A. startvalue/end value
  • B. start value/
  • C. start value/current value
  • D. start value//persistent value

9) Informatica is a ___ based on ETL architecture.

  • A. data integration tool
  • B. testing framework
  • C. Both A and B
  • D. None of the above

10) Which one is reusable component in Informatica?

  • A. Mapping
  • B. Mapplet
  • C. Session
  • D. Workflow

11) Which of the following is unconnected transformation?

  • A. stored procedure
  • B. Filter
  • C. sorter
  • D. joiner

12) How many mappings can be assigned to a session?

  • A. one
  • B. two
  • C. many sessions
  • D. three

13) Which of the following cashes used in informatica?

  • A. Dynamic
  • B. static
  • C. dynamic,static
  • D. Dynamic,Static,persistent

14) Which of the following transformation is not using to connect more than one table?

  • A. joiner
  • B. source qualifier
  • C. lookup
  • D. sorter

15) What type of Stored procedure is used to verify the target table?

  • A. Target Preload
  • B. Table
  • C. Integer
  • D. DB location

16) What is the purpose of SQL override?

  • A. It is used to write user defined SQL statements in source qualifier and look up transformations.
  • B. Write to cache files
  • C. Performance tuning
  • D. None of the above

17) Which of following is Passive Transformation?

  • A. Router
  • B. Source Qualifier
  • C. Aggregate
  • D. Séquence generator

18) Sorting can be used in ___.

  • A. Aggregate transformation
  • B. Expression
  • C. Both A and B
  • D. All of the above

19) Where cache(index and data) is stored?

  • A. cache directory
  • B. detail table
  • C. preload target
  • D. All of the above

20) What is the function of SCD (Slowly Changing Dimension)?

  • A. manage data
  • B. manage workflow
  • C. manage session
  • D. None of the above

Informatica Online Test Questions (Informatica FAQs)

1) What is Informatica?

Informatica is a tool that offers Data Integration. It is consists of a variety of data integration tools such as ETL, data masking, data Quality, data replica, data virtualization, master data management, etc.

2) What is Informatica PowerCenter?

Informatica PowerCenter is basically an ETL tool that provides the foundation of all major data integration projects. It is generally used in building Data Warehouses for enterprises and businesses.

3) List some popular Informatica products?

The popular Informatica products are as follows:

  • PowerCenter.
  • Informatica Data Engineering.
  • Product 360.
  • Informatica MDM.
  • Informatica Intelligent Cloud Services.
  • Informatica Data Quality.
  • Informatica Data as a Service.
  • Axon Data Governance.

4) What is Informatica ETL tool?

ETL stands for Extract Transform Load. It is basically a data integration tool that is used to first extract data from sources, then transform it to make it compatible, and then load it into the destined system.

5) What is iPaaS?

iPaaS stands for "Integration Platform as a Service" is a platform that helps in building the data integration with the cloud and between the cloud and enterprises, such that it removes the requirement of any physical hardware as the enterprises can access the application through the cloud.

6) What is Lookup transformation in Informatica?

Lookup transformation is a passive transformation that is used as a join operation in between the source table and lookup table. It is generally used to look up the source in order to get the relevant data.

7) What are mapplets?

Mapplets are reusable objects that contain a set of transformations that you can use in multiple mappings. An active mapplet can return a number of rows that are different from the number of source rows. Mapplet is basically used to transform the data and lets you reuse the transformation.

8) Explain Aggregator transformation in Informatica?

Aggregator transformation performs aggregate calculations like sum, average, etc. using a temporary placeholder to store the records of operation performed over the rows. To perform this, aggregator cache memory is used.

9) What is surrogate key?

A surrogate key is a key that s manufactured artificially and only for the purposes of data analysis. Surrogate keys can also include the current system date/time stamp or a random alphanumeric string.

10) What is Union transformation?

Union transformation is just like the UNION ALL set operation, which is a multi-input group transformation used to merge the data from multiple pipelines into a single pipeline.

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