Analytics-DA-201 domain - 41% of the exam

Explore and Analyze Data

Explore and Analyze Data is 41% of the Analytics-DA-201 exam. These are the objectives it covers, each with practice questions, with every answer explained.

The domain in numbers

147
Practice questions
8
Objectives
111
Medium
36
Hard

Where people go wrong

  • Expecting a parameter to act on its own

    The wrong answers treat a parameter as something that filters or reshapes the view the moment it exists: placing it on the Filters shelf, adding it to Detail, or assuming its control is already visible to viewers. A parameter is a single workbook-level value. Its control must be shown before a viewer can change it, and it changes nothing until a calculated field, a Top N filter or a reference line reads its value.

    See it in a sample question
  • Misplacing a filter in the order of operations

    The wrong answers apply filters in the wrong sequence. Ordinary dimension filters are credited with narrowing a FIXED expression, the wrong field is promoted to context when a Top N must be ranked first, and measure filters are expected to see rows that a dimension filter has already removed. Context filters run first, then FIXED expressions, then dimension filters, then measure filters. Moving the Top N filter or the year filter to context makes it apply earlier.

    See it in a sample question
  • Confusing FIXED, INCLUDE and EXCLUDE

    The wrong answers swap what each keyword does to the view's level of detail. FIXED is described as adding to the view's dimensions, EXCLUDE as returning a grand total, and INCLUDE as collapsing upwards. FIXED groups only by the dimensions it names and ignores the view. INCLUDE adds the named dimension to the view's grain, so it needs an outer aggregate to roll up. EXCLUDE removes the named dimension, leaving the coarser subtotal repeated across rows.

    See it in a sample question
  • Mixing up Table and Pane scope

    The wrong answers choose Table (down) where Pane (down) is needed, so a rank keeps rising from one region into the next instead of restarting, and a share of total divides by every category in the column. Table (across) and Cell also appear, giving a share across quarters or a flat 100 in every cell. Pane (down) confines the calculation to one pane, so Rank restarts at 1 in each region and each sub-category is divided by its own category total.

    See it in a sample question
  • Treating a fixed selection as self-updating

    The wrong answers assume every set or group recalculates when the data refreshes, or choose a group where a rule is needed. A group keeps the members it was given, and a set built from a manual selection keeps its original members even when customers stop ordering or new high spenders appear. A set defined by a condition or a top-N rule stores the rule and re-evaluates it on each refresh, so it suits a cohort that must track current sales.

    See it in a sample question

Objectives in this domain

What to study

The official documents this domain's practice questions cite most.

Sample questions from this domain

Free sampleExplore and Analyze Datamedium

An analyst builds a parameter called Sales Threshold so viewers can type a value and immediately see which regions clear it. After creating the parameter, viewers report they cannot change the value from the published dashboard. What must the analyst do so the value becomes adjustable in the view?

  • ADrag the parameter onto the Filters shelf so that the dashboard exposes it as an editable quick filter for viewers.
  • BConvert the parameter into a continuous measure and add it to the Detail property of the Marks card to register it.
  • CShow the parameter control by right-clicking the parameter in the Data pane and selecting Show Parameter, then placing the resulting card on the view. Correct
  • DRepublish the workbook with the parameter pinned, because parameters become interactive automatically once the workbook is on the server.
A parameter becomes interactive for viewers only when its parameter control is shown and placed on the view. A parameter holds one value and is invisible to viewers until you choose Show Parameter, which renders a control card that lets people edit the value and drive the dependent logic.

Why A is wrong: Parameters cannot be placed on the Filters shelf because they are not data fields, so this action is not possible and would not surface an editable input.

Why B is wrong: A parameter is a standalone value, not a measure that can be aggregated on the Marks card, and adding fields to Detail does nothing to make a parameter editable.

Why C is correct: Creating a parameter only stores a single editable value; it is not interactive until its control is displayed, so showing the parameter control is exactly what exposes the input to viewers.

Why D is wrong: Publishing alone never reveals a parameter; if its control was never shown, viewers see no input regardless of where the workbook lives.

Free sampleExplore and Analyze Datahard

A dashboard has a context filter on Order Date for 2024 and a normal dimension filter keeping only the Corporate segment. A measure uses { FIXED [Region] : SUM([Sales]) }. Considering Tableau's order of operations, which records does this FIXED value reflect?

{ FIXED [Region] : SUM([Sales]) }
  • AAll records in the source, because FIXED runs before every filter regardless of type.
  • BOnly 2024 records across all segments, because the context filter applies before FIXED but the segment dimension filter applies after. Correct
  • COnly 2024 Corporate records, because both filters are applied before any LOD expression evaluates.
  • DOnly Corporate records across all years, because dimension filters bind to FIXED but date context filters do not.
FIXED LODs see records after context filters but before ordinary dimension filters in the order of operations. Tableau applies extract and data-source filters, then context filters, then FIXED LOD expressions, and only afterwards ordinary dimension filters. So a context filter on year constrains the FIXED computation, but a plain dimension filter on segment is applied later and leaves the FIXED value unchanged.

Why A is wrong: FIXED runs before dimension filters but after context filters, so the 2024 context filter does narrow the records it sees.

Why B is correct: Context filters precede FIXED in the order of operations so 2024 is honoured, while the ordinary Corporate dimension filter is applied afterwards and so does not narrow the FIXED result.

Why C is wrong: The Corporate filter is an ordinary dimension filter that applies after FIXED, so it does not restrict the FIXED computation.

Why D is wrong: This reverses the precedence: context filters apply before FIXED while ordinary dimension filters apply after, so the year is constrained and the segment is not.

Free sampleExplore and Analyze Datahard

A view has Region and Segment on rows with SUM(Sales) shown. An analyst adds { EXCLUDE [Segment] : SUM([Sales]) } to compute each Segment's share of its Region total. What value does this EXCLUDE expression return on every row?

{ EXCLUDE [Segment] : SUM([Sales]) }
  • AThe Segment subtotal of Sales summed across all Regions, repeated on each row.
  • BThe grand total of Sales across every Region and Segment, because EXCLUDE strips both dimensions.
  • CThe individual Segment value within its Region, unchanged from the native SUM(Sales) on the row.
  • DThe Region subtotal of Sales, repeated identically across all Segment rows within that Region. Correct
EXCLUDE removes the named dimension from the view grain, returning the aggregate at the remaining coarser level. EXCLUDE evaluates its aggregate at the view grain minus the named dimension. Removing Segment leaves Region, so SUM(Sales) is computed per Region and that single Region subtotal is shown on each Segment row, which is exactly the denominator needed for a share-of-region ratio.

Why A is wrong: That result would come from excluding Region, not Segment, so it inverts which dimension is removed from the grain.

Why B is wrong: EXCLUDE removes only the dimension it names, here Segment, so Region remains in the grain and the result is not the overall grand total.

Why C is wrong: Leaving the value unchanged would mean nothing was excluded, but EXCLUDE [Segment] deliberately coarsens the grain to the Region level.

Why D is correct: EXCLUDE drops Segment from the grain, leaving Region as the effective dimension, so every Segment row in a Region shows that Region's full subtotal.

Free sampleExplore and Analyze Datahard

A view has Category on Rows and Sub-Category nested beneath it, with Percent of Total applied to SUM(Sales). The analyst sets Compute Using to Pane (down). Within the Furniture category, what denominator does each sub-category percentage use?

Rows:  Category > Sub-Category
Marks: Percent of Total of SUM(Sales), Compute Using = Pane (down)
  • AThe total sales of the Furniture category only, so the Furniture sub-categories sum to one hundred percent among themselves. Correct
  • BThe grand total of sales across every category, so all sub-category percentages in the whole view sum to one hundred.
  • CThe sales of the single largest sub-category within Furniture, so the leading sub-category shows one hundred percent.
  • DThe total sales of the matching sub-category summed across all categories, comparing it horizontally between categories.
Recognise that Percent of Total with Pane scope uses the innermost partition total as the denominator. Pane refers to the smallest visual block defined by the outer dimensions. With Category as the outer field, each pane is one category, so Pane (down) divides every sub-category by the total of its own category, making each category block sum to one hundred percent.

Why A is correct: Pane (down) confines the percent-of-total denominator to the current pane, which here is one category block, so each sub-category is divided by its own category total.

Why B is wrong: A grand-total denominator corresponds to Table rather than Pane; Pane restricts the scope to the innermost partition, so this overstates the denominator.

Why C is wrong: Percent of total never uses the maximum value as the denominator; that would describe an index against the top performer, which is a different calculation entirely.

Why D is wrong: Comparing the same sub-category across categories implies an across direction, but Pane (down) partitions by category and addresses sub-categories downward, so no cross-category comparison occurs.

Free sampleExplore and Analyze Datamedium

A team needs a reusable field that keeps changing which members it contains as sales figures move, and they want to use it to filter several worksheets to a dynamic top-performing cohort. Which structuring feature best fits a membership that must update automatically with the data?

  • AA condition-based or top-N set, because such a set recomputes its members automatically as the data changes. Correct
  • BA group, because groups recalculate their members whenever a measure crosses a chosen threshold.
  • CA bin, because bins reassign members to different buckets as the underlying measure changes.
  • DA hierarchy, because expanding a hierarchy automatically refreshes which members qualify for the cohort.
A condition-based or top-N set provides a reusable, dynamic membership that updates automatically, unlike static groups. Sets defined by a rule store the rule rather than a fixed member list, so they recompute on data change and can be reused as a filter across worksheets, whereas groups freeze a hand-picked membership and bins and hierarchies serve different structuring purposes.

Why A is correct: A set defined by a condition or a top-N rule is dynamic and reusable across sheets, recalculating membership as sales move, which matches the requirement for an automatically updating cohort.

Why B is wrong: Groups are static collections of manually chosen members; they do not respond to changing measures, so this attributes dynamic behaviour to the wrong feature.

Why C is wrong: Although bin assignment depends on a value, a bin classifies every value into ranges rather than producing a single dynamic cohort, so it does not serve as a dynamic membership filter the way the requirement describes.

Why D is wrong: A hierarchy only arranges drill levels; it has no membership rule and cannot define a top-performing cohort, so it is the wrong tool for this need.

Other domains in this exam

See also the Analytics-DA-201 cert hub, the study guide, and the cheat sheet.

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