Monday, July 6, 2015

COGNOS 10 INTERVIEW QUESTIONS




Hello every one please do prepare the below questions before appearing any COGNOS interview 

There is a probability of 70% questions coming from the below 

Will post the answers for each question soon .Also please contribute for addition of new questions under each category as comments to this post

Will also post different scenario based questions and transformer related questions soon






Frame work manager interview questions
  1. What is a Model?
  2. What is a Project?
  3. What is a Package?
  4. Tell me the cycle from project creation to publishing the model in FM
  5. What is query subject and Query item
  6. What are the types of Query subjects in Cognos and Explain
  7. Explain different layers in FM
  8. Types of model's you have used in your FM(dimensional,relational)
  9. What is Cardinality?
  10. What are joins and types of joins
  11. Cardinality for different types of joins
  12. What are loops in FM model and how to resolve loops
  13. types of shortcuts(reference and alias)
  14. what are filters in FM(STAND ALONE AND EMBEDDED)
  15. types of security(package ,object, data, row level)
  16. governor settings in FM
  17. Determinants and what is its significance
  18. What are usage properties
  19. What is stitched query
  20. What are Session parameters
  21. Explain about Parameter maps
  22. What are Macros
  23. What is Model Advisor
  24. What are Scope relations in dimensional model
  25. Explain Dimensional functions such as set,slice,filter
  26. Explain Dimensional functions lead lag parent child
  27. Explain Dynamic query mode
  28. Explain Model design accelerator
  29. Difference between CQM  vs DQM
  30. New functionalities added to FM in Cognos 10 from Cognos 8
  31. Multiuser models (linking segmenting branching etc.)
  32. Types of Schemas used in your project
  33. Tools tab properties like show object dependencies, model reports etc.
  34. Differences between cubes(OLAP) and DMR
  35. Scope relationship in DMR
  36. What is MUN and tree prompt
  37. What is drill up drill down slice and dice
  38. What are the types of hierarchies? In dimensional model
  39. What are query processing types(limited to local limited to DB)

Report studio interview questions
  1. Explain Complex reports you have worked on
  2. What is drill through and how many types you can achieve(pass by dataitem,pass by parameter)
  3. What is master detail why is it used
  4. Difference between master detail and drill through
  5. Types of filters in Report studio and explain(detail,summary)
  6. What is before aggregation and after aggregation?
  7. What is aggregation and rollup aggregation?
  8. What are conditional blocks?
  9. Various types of variables in report studio
  10. Explain the components like style variable render variable block variable
  11. What is text source variable
  12. What is repeater table and why are repeaters used
  13. What is singleton and what is its significance
  14. What is conditional formatting how you implemented it in your project?
  15. Which chart you can plot two measures (bubble)
  16. Types of prompts
  17. Can you convert crosstab to list and vice versa
  18. How can you increase performance of the report
  19. What is cascaded prompt
  20. What is re prompt and auto submit
  21. Explain Display value vs use values and its significance
  22. What are static choices in prompts and why are they used
  23. What are page breaks and page sets in report
  24. What is group span
  25. What is difference between group by and order by
  26. How can you display two measures in a cross tab report
  27. what are the ways in which can you establish a relation between queries in your report(join union)
  28. what is union of two queries how can you achieve
  29. what is MDX,SQL
  30. what is Bursting have you implemented it in your project
  31. difference between bursting and scheduling
  32. what is CAMID
  33. How can you limit rows in report where will you change the property
  34. What are active reports
  35. What are the active report components you have used
  36. What is a variable and event in active report
  37. Ancestor button in report studio
  38. What is box type property and why it is used
  39. What are data containers
  40. What is data format how did you use this in your reports
  41. Row level security?
  42. What are query processing types(limited to local limited to DB)
  43. What is source type property
  44. Snapshot  and report view differences
  45. What is hyperlink and why it is used in reports
  46. how to get the all values from a prompt using 'ALL'
  47. Can u drill through report from report studio to analysis studio and vice versa
  48. Can u Edit Cognos SQL in Report and how
  49. Difference between count and running count
  50. How to test reports
  51. What is layout calculation and its significance
  52. How can I change reports to another package
  53. Can we use 2 packages in report studio at a time is there any alternative for this
  54. what is the difference between group and association
  55. Can you apply grouping on crosstab?
  56. How will you migrate your reports to QA environment?
  57. diff b/w layout calculation and query calculation
  58. What is meant by Thumbnails on Cognos?
  59. What is level span? How it is used in cognos? What is the main advantage of level span. 



SQL level interview questions for Cognos
  1. What are Cognos SQL, native SQL, and Pass through SQL?
  2. What is primary key and foreign key
  3. What is a sid (surrogate key)?
  4. What are types of joins
  5. What is sub query and types of sub-quires
  6. What is difference between join and sub query
  7. What is difference between Where and Having
  8. What is difference between group by and order by
  9. What is the use of With clause
  10. Real time examples for all types of joins
  11. Difference between equi join and inner join
  12. What is difference between union and union all
  13. What is difference between union and join
  14. How will you remove duplicates from a table
  15. What is self-join and real time significance with example
  16. How do you get the latest updated record from the table which is not having any timestamp
  17. Nth highest salary of an employee from top and from bottom
  18. What is difference b between MDX and SQL
  19. What is an index and how many types of indexes you know and significance of indexing
  20. what is the difference between group and association

Warehouse level Cognos interview questions
  1. Types of schemas
  2. What is OLAP and What are the types of OLAPs?
  3. What is OLTP and difference between OLAP and OLTP
  4. What is relational model and Dimensional model
  5. What are facts and dimensions
  6. What are regular dimensions and measure dimensions
  7. Types of FACT’s
  8. Types of Dimensions
  9. What best schema star or snow flake and why
  10. What is junk dimension,factless fact
  11. What is role playing dimension give an example
  12. What is Data warehouse and its significance
  13. What is the difference between database and data warehouse
  14. What is Data mart
  15. What is metadata?
  16. What is materialized view?
  17. What is schema?


Very Important questions and Miscellaneous questions asked in every interview
  1. What is Cognos Architecture
  2. What is content Store and Content manager
  3. How can you increase performance of report at Report studio level
  4. What is ETL and what is the ETL tool used in your project
  5. What is complete process going on in background  when you run report
  6. How can you enhance the performance of a report?(at all levels)
  7. How can you tune performance of report at FM level?
  8. Best practices of FM
  9. Best practices to be followed while designing the report
  10. Difference between Business insight and Business insight Advanced
  11. Difference between Query studio and Report studio
  12. What is metric studio and explain its significance
  13. What is analysis studio and what is context filter in analysis Studio.
  14. Difference between Group and Role in Cognos for Users

No comments:

Post a Comment