Cognizant BI Developer Interview Questions and Answers

Q1. Basic Questions about Power BI
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Q1. Salary Discussion Location Discussion
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Q1. Qlik related questions were asked
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Q1. Roles And Responsibilities and Power BI Questions
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Q1. Generic Salary Discussion
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Q1. Project related question , Interface , Abstraction
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Q1. Scenario based question
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Q1. Salary Discussioon
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Q1. What is Slowly Changing Dimension (SCD) in Tableau?
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Q2. Difference between historic and current data
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Q3. LODS and types with example
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Q4. Extract and Live Connection
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Q5. What is an empty extract, and what is the process for creating one?
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Q6. Window Functions
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Q7. Context Filter
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Q1. Sliding Window find the subarray with sum equal to k
Ans. 
Using sliding window technique to find subarray with sum equal to k.
• Initialize two pointers at the start of the array.

• Move the right pointer to expand the window until the sum is greater than or equal to k.

• Move the left pointer to shrink the window if the sum exceeds k.

• Repeat until the end of the array is reached.

• Example: Input array [1, 4, 20, 3, 10, 5], k=33. Output: [20, 3, 10].
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Q1. Array string html css js
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Q1. General technical question
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