DAX Functions interview questions

18 real DAX Functions questions from the Power BI bank, as asked in Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd — free to start.

1. What is Context transition?

Mid
  1. A.the automatic conversion of the current row into an equivalent filter, triggered when an aggregation wraps a row-level expression
  2. B.an iterator returning a subset of a table where a condition holds, often passed as an argument to reshape evaluation
  3. C.a syntax construct that stores an intermediate result under a name for reuse and clarity within an expression
  4. D.a function that removes filters from a table or columns, commonly used to compute totals or percentage-of-total denominators
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3. Which statement is correct?

Mid
  1. A.Context transition — a lookup that pulls a value from the one-side of a relationship into the current many-side row
  2. B.Context transition — the family of functions like prior-year and year-to-date that shift or accumulate values across a marked date table
  3. C.Context transition — the automatic conversion of the current row into an equivalent filter, triggered when an aggregation wraps a row-level expression
  4. D.Context transition — an iterator returning a subset of a table where a condition holds, often passed as an argument to reshape evaluation
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4. What is Time intelligence?

Mid
  1. A.a function that removes filters from a table or columns, commonly used to compute totals or percentage-of-total denominators
  2. B.the family of functions like prior-year and year-to-date that shift or accumulate values across a marked date table
  3. C.a lookup that pulls a value from the one-side of a relationship into the current many-side row
  4. D.an iterator returning a subset of a table where a condition holds, often passed as an argument to reshape evaluation
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6. Which statement is correct?

Mid
  1. A.Time intelligence — a lookup that pulls a value from the one-side of a relationship into the current many-side row
  2. B.Time intelligence — an iterator returning a subset of a table where a condition holds, often passed as an argument to reshape evaluation
  3. C.Time intelligence — a syntax construct that stores an intermediate result under a name for reuse and clarity within an expression
  4. D.Time intelligence — the family of functions like prior-year and year-to-date that shift or accumulate values across a marked date table
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7. What is FILTER?

Mid
  1. A.an iterator returning a subset of a table where a condition holds, often passed as an argument to reshape evaluation
  2. B.the family of functions like prior-year and year-to-date that shift or accumulate values across a marked date table
  3. C.a function that removes filters from a table or columns, commonly used to compute totals or percentage-of-total denominators
  4. D.a lookup that pulls a value from the one-side of a relationship into the current many-side row
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9. Which statement is correct?

Mid
  1. A.FILTER — the automatic conversion of the current row into an equivalent filter, triggered when an aggregation wraps a row-level expression
  2. B.FILTER — an iterator returning a subset of a table where a condition holds, often passed as an argument to reshape evaluation
  3. C.FILTER — a lookup that pulls a value from the one-side of a relationship into the current many-side row
  4. D.FILTER — a function that removes filters from a table or columns, commonly used to compute totals or percentage-of-total denominators
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10. What is ALL?

Senior
  1. A.a function that removes filters from a table or columns, commonly used to compute totals or percentage-of-total denominators
  2. B.the family of functions like prior-year and year-to-date that shift or accumulate values across a marked date table
  3. C.an iterator returning a subset of a table where a condition holds, often passed as an argument to reshape evaluation
  4. D.the automatic conversion of the current row into an equivalent filter, triggered when an aggregation wraps a row-level expression
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12. Which statement is correct?

Senior
  1. A.ALL — a lookup that pulls a value from the one-side of a relationship into the current many-side row
  2. B.ALL — a function that removes filters from a table or columns, commonly used to compute totals or percentage-of-total denominators
  3. C.ALL — the family of functions like prior-year and year-to-date that shift or accumulate values across a marked date table
  4. D.ALL — the automatic conversion of the current row into an equivalent filter, triggered when an aggregation wraps a row-level expression
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13. What is RELATED?

Senior
  1. A.the family of functions like prior-year and year-to-date that shift or accumulate values across a marked date table
  2. B.a lookup that pulls a value from the one-side of a relationship into the current many-side row
  3. C.a function that removes filters from a table or columns, commonly used to compute totals or percentage-of-total denominators
  4. D.the automatic conversion of the current row into an equivalent filter, triggered when an aggregation wraps a row-level expression
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15. Which statement is correct?

Senior
  1. A.RELATED — the automatic conversion of the current row into an equivalent filter, triggered when an aggregation wraps a row-level expression
  2. B.RELATED — an iterator returning a subset of a table where a condition holds, often passed as an argument to reshape evaluation
  3. C.RELATED — the family of functions like prior-year and year-to-date that shift or accumulate values across a marked date table
  4. D.RELATED — a lookup that pulls a value from the one-side of a relationship into the current many-side row
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16. What is VAR?

Mid
  1. A.the automatic conversion of the current row into an equivalent filter, triggered when an aggregation wraps a row-level expression
  2. B.a lookup that pulls a value from the one-side of a relationship into the current many-side row
  3. C.a syntax construct that stores an intermediate result under a name for reuse and clarity within an expression
  4. D.a function that removes filters from a table or columns, commonly used to compute totals or percentage-of-total denominators
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18. Which statement is correct?

Mid
  1. A.VAR — an iterator returning a subset of a table where a condition holds, often passed as an argument to reshape evaluation
  2. B.VAR — the family of functions like prior-year and year-to-date that shift or accumulate values across a marked date table
  3. C.VAR — a function that removes filters from a table or columns, commonly used to compute totals or percentage-of-total denominators
  4. D.VAR — a syntax construct that stores an intermediate result under a name for reuse and clarity within an expression
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