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Top Answers to Cognos Interview Questions

1. Cognos Characteristics

Criteria Result
Ability to deploy charts Bar, Pie, Line, Crosstabs, Funnel, Scatter, etc
Speed of data access High performance access across all data sources
Data Export formats Excel, HTML, PDF, CSV, XML

2. Define Report item?

It’s nothing but a query item when it is drag and drop into the work area.

3. Define query items?

It’s mainly used in Reporting and for BI Authors it is the most essential object from the framework manager. These have lot of properties associated with them and are present in query subjects. They are similar to subsets of query subjects.

4. Give the advantages of Cognos?

The advantages of Cognos are:
A) Planning
B) Analysis
C) Forecasting
D) Score carding

5. Name the types of report?

A) List report
B) Cross report
C) Blank report
D) Repeater report
E) Chart report

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6. Define Cognos Reporting tool?

It’s a reporting tool of IBM which help us in reporting and analysis of different data from a data warehouse.Read this blog to find out why Business Intelligence tools are critical to today’s enterprises.

7. Name the types of gateway?

There are three types of gateway:
A) CGI (Common Gateway Interface)
B) ISAPI (Internet Service Application Interface)
C) Tomcat

8. Define dimensions?

It defines the structure of a cube. Any dimension must have at least one key attribute and other attributes so that it may define hierarchies.

9. Name the types of hierarchies?

There are two types of hierarchies in Analysis Services:
A) One is Attribute hierarchies
B) Second is User defined hierarchies.

10. Define framework manager?

It’s a development tool which is used to create the end-user layer used by authors to build their BI objects.

11. Define drill through?

It permits one to move from data at the bottom level in a cube to the data in the operational systems from which the cube was derived.

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12. Name the three important fundamental themes which are in data warehouse?

A) Drilling Down
B) Drilling Across
C) Handling Time

13. Which security module used in Cognos?

Cognos Access Manager

14. Name the types of studio?

1) Metrics Studio
2) Report Studio
3) Event Studio
4) Query Studio
5) Analysis Studio

15. What are the initial page components of Cognos connection?

1) The Studio Toolbar
2) The Utilities Toolbar
3) The Tab Navigator

16. Differentiate between prompt and macros?

It provides a way to do dynamically changes in the reports.
It’s a set of instructions to run the report.

17. Define model?

It is a complete set of query subjects and query objects that are used for reporting.

18. Differentiate between standalone and embedded filter?

  • Standalone Filter
    It is used to reuse the expressionEmbedded Filter
    To use the filter with only one dimension or query subject.

19. Define DTM

It transforms the data received from the reader buffer and it moves transformation to transformation on row by row basis and it is uses the transformation caches when necessary.

20. Can you delete Cognos Namespace?


21. What are Fact Tables?

It is a table that contains summarized numerical (facts) and historical data. It has a foreign key – primary key relation with a dimension table.

22. Differentiate between physical layer and presentation layer?

  • Physical Layer
    It provides the physical query layer and is made up primarily of data source and stored procedure query subjects. It acts like a foundation for the presentation layer
  • Presentation Layer
    The Presentation layer is made up primarily of model query subjects that you create.

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23. Name the types of facts?

  • Additive
  • Non Additive
  • Semi Additive

24. At what time default data source query subject will be created?

At the initial metadata import operation, a default data source query subject is created for those each object you have select.

25. Name the types of Query subjects?

  1. Default
  2. Model
  3. Stored

26. What is the way to restrict the tables retrieved by a query Solution?

By setting governors we can restrict the tables retrieved by a query solution.

27. Define the term Business Intelligence?

BI is a broad category of application programs and technology used for query, by which we can do the reporting and analyzing the business multi dimensionally.

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28. Name the responsibilities of Cognos Administrator?

  1. Creating the Repository
  2.  Performing the task of backup and recovery of the Meta Data.
  3.  Tuning the servers.
  4. Installations and configurations in distributed network environment
  5. Developing the user Administration
  6. Deployment

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29. Name the components which get installed at the time of installation of Cognos Report Net Software?

  1. Window Based
  2. Web Based

30. Name the phases of Cognos report net workflow?

The phases are:

  1.  Plan
  2. Manage
  3. Model
  4. Author
  5. Consume

31. Define the work of Group and Roles?

It represents the collection of users that performs the similar task.

32. Define Package?

It is a container for models, reports, and so on. Modelers can create packages in Framework Manager to publish the models to the Report Net server.

33. Name the types of filter in framework manager?

Model and Query

34. What is Model Filter?

It is used to restrict the data displayed on the Report. Model filter are reusable.

35. Name the types of filter in the report studio?

Tabular Grouped

36. Name the types of Tabular filter in the report studio?

  • Summary
  • Detailed

37. Define confirmed dimension?

If any dimension will be connected with multiple fact tables then it is called confirmed dimension.

38. What are the steps to import the two data sources in framework manager?

It can be done in the Run Metadata Wizard.
First of all Go to Run Metadata Wizard–>Select another database ( ex. suppose SQL Server is choose in prior attempt, then you can choose Oracle as new data source). At the last import it.

39. Where the Determinants are used in Cognos framework manager?

A query subject that behaves as a dimension has multiple levels of granularity and it will be joined on the different sets of keys to fact data.

40. What is the way to generate cube in framework manager?

After creating the IQD file from the framework manager that IQD file will be used by the transformer to generate the cube.

41. What is the way to generate IQD file from framework manager?

  1. Create a Query Subject
  2. Using properties pane select externalize.
  3.  We have four options in that select IQD

42. What is the difference between static and dynamic conditions?

  • Static Condition
    Whenever you run the report the condition will not change.
  • Dynamic Condition
    Condition which keep on change whenever you run the report.

43. Define Parameter Map?

It is a key value pair used in creation of conditional Query Subjects. It sub situates the values at the query at runtime.

44. What is the meaning of scrubbing at the Project level?

According to the requirements of the report derive the new items with the help of existing Query Items.

45. Define Slice and Dice?

An operation that allows one to select a portion of the data of a fact on the basis of specified values in one or several dimensions.

46. Name the types of SQL?

  1. Cognos
  2. Native
  3. Pass-through

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47. What are the advantages of using Cognos SQL?

  1. It can contain metadata from the multiple data sources.
  2. It has fewer database restrictions
  3. Provide the facility to interact more effectively with Cognos applications.

48. What are the disadvantages of using Cognos SQL?

You can’t enter non standard sql.

49. What actually a project contains?

  1. Models
  2. Namespace
  3. Data source
  4. Parameter Map
  5. Packages
  6. Folder
  7. Query Subject
  8. Query Item
  9. Relationship

50. How a project does looks in framework manager?

A project in the framework manager looks as a folder that contains a project file (.cpf) and the specific XML files that define the project

51. Name the types of OLAP’s?

  1. DOLAP
  2. ROALP
  3. MOLAP
  4.  HOLAPA

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Cognos Training 10 Jun 2023(Sat-Sun) Weekend Batch
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2 thoughts on “Top Cognos Interview Questions And Answers”

  1. Very nice Cognos Interview Questions with detailed answers and examples.It’s helped me a lot. Thanks to Intellipaat team.

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