25-question diagnostic

Provides an indicative assessment of Excel, analytical thinking, SQL, modelling, Power BI and chart interpretation. The result recommends a pathway; it does not certify a professional level.

Question 1 of 25 · EXCEL

A cooperative receives an inventory with one section per warehouse, Total rows and notes inserted between products. The procedure will become part of a recurring refresh and must be traceable. Two analysts propose different solutions that enable the team to turn the workbook into a source that supports filters and new loads. Which correctly applies the table criterion?

Question 2 of 25 · EXCEL

A clinic exports expenses with two header levels and repeated names such as Importe in several columns. Acceptance requires another person to reach the same result from the retained source. The team cannot complete the work until create stable fields for accounting reconciliation. Which criterion for headers should take priority?

Question 3 of 25 · EXCEL

An association imports renewals and finds a corrected version and a cancelled version for the same member and period. The result will reach decision-makers using different filters and needs a single definition. An independent review will assess how retain a single valid renewal without deleting traceability was reached. Which answer resolves the issue with duplicates?

Question 4 of 25 · EXCEL

A workshop calculates quotations using retired supplier codes that may or may not have an authorised replacement. The person responsible requires the source and a before-and-after comparison to be retained. To retrieve the current price and flag references awaiting resolution without changing the population, which proposal about lookup is correct?

Question 5 of 25 · EXCEL

An insurance broker copies a commission from a product-and-quarter matrix to hundreds of policies. Acceptance requires another person to reach the same result from the retained source. The case file must allow prevent the product row or quarter column from shifting incorrectly. Which option best preserves the meaning of references?

Question 6 of 25 · PENSAMIENTO

Senda Finanzas mixes invoiced amounts and receipts in the same card. The check must be repeatable without depending on the report creator’s computer. The pending decision is explain weekly liquidity. Which action is technically defensible regarding dimension?

Question 7 of 25 · PENSAMIENTO

Orbe Logística finds that the cause of delay is unreported in twelve per cent of cases. The procedure will become part of a recurring refresh and must be traceable. An independent review will assess how prioritise an operational action was reached. Which answer resolves the issue with quality?

Question 8 of 25 · PENSAMIENTO

Cobalto Ventas shows a percentage decrease without stating the previous period’s baseline. The result will reach decision-makers using different filters and needs a single definition. To communicate the change to the board without changing the population, which proposal about denominator is correct?

Question 9 of 25 · PENSAMIENTO

Prisma Salud analyses synthetic appointment data and confuses segmentation with a KPI. The audit does not permit the population to change while the calculation is corrected. The case file must support redesign capacity monitoring. Which option best preserves the meaning of KPI?

Question 10 of 25 · SQL

A franchise is looking for shops with more than twenty accepted returns during the quarter. The output will be reused at the next reporting close and exceptions must remain visible. To apply the limit to the count for each store without changing the population, which proposal about which HAVING is correct?

Question 11 of 25 · SQL

Assortment needs to display all active SKUs, including those with no purchases this month. The person responsible requires the source and a before-and-after comparison to be retained. Two analysts propose different solutions that enable the team to audit catalogue coverage without losing products with no transactions. Which one correctly applies the criterion of LEFT_JOIN?

Question 12 of 25 · SQL

Insurance combines claims with policy conditions that change by version and effective date. The team must also resolve a negative case before approving the submission. Two analysts propose different solutions that enable the team to assign a single valid version to each claim. Which one correctly applies the criterion of join_key?

Question 13 of 25 · SQL

Transport ranks providers by OTIF within service type and needs to break ties by cost. The team must also resolve a negative case before approving the submission. An independent review will assess how publish a stable and explainable ranking was reached. Which answer resolves the issue with ranking?

Question 14 of 25 · MODELADO

Cobros stores one row per partial payment and Facturas one row per issued document. The solution must retain granularity even if the next batch changes. The pending decision is analyse debt without repeating the original invoice amount. Which action is technically defensible regarding grain?

Question 15 of 25 · MODELADO

The Cliente dimension retains two active versions with the same customer_id after a merger. The procedure will become part of a recurring refresh and must be traceable. Two analysts propose different solutions that enable the team to restore a valid one side without losing the necessary history. Which correctly applies the key criterion?

Question 16 of 25 · MODELADO

Training relates learners and programmes when each person can take several learning pathways. The audit does not permit the population to change while the calculation is corrected. Two analysts propose different solutions that enable the team to represent the assignment without an accidental many-to-many relationship. Which correctly applies the cardinality criterion?

Question 17 of 25 · MODELADO

Presupuesto and Real reach Región through different paths via Centro and Responsable. The audit does not permit the population to change while the calculation is corrected. The pending decision is prevent a slicer from activating two ambiguous paths. Which action is technically defensible regarding filter?

Question 18 of 25 · POWER_BI

Selecting a province on the map changes a national card that must remain as a reference. The team must also resolve a negative case before approving the submission. The pending decision is limit the filter to comparative visuals. Which action is technically defensible regarding interaction?

Question 19 of 25 · POWER_BI

The Reset button restores visuals but retains an old product filter. The output will be reused at the next reporting close and exceptions must remain visible. A reproducible evidence is needed before deliberately capture all the states that must be cleared. Which design handles bookmark appropriately?

Question 20 of 25 · POWER_BI

The Producto page receives the category but loses the specific product_id selected in a matrix. The result will reach decision-makers using different filters and needs a single definition. An independent review will assess how transfer the detail key and retain only relevant filters was reached. Which answer resolves the issue with drillthrough?

Question 21 of 25 · POWER_BI

The mobile version places a decorative chart first and leaves KPI unnamed for screen readers. The result will reach decision-makers using different filters and needs a single definition. The pending decision is reorder essential content and provide accessible names. Which action is technically defensible regarding accessibility?

Question 22 of 25 · STORYTELLING

An algorithm groups customers by frequency and spend. The audit does not permit the population to change while the calculation is corrected. To interpret clusters without attributing causation without changing the population, which proposal about cluster is correct?

Question 23 of 25 · STORYTELLING

The demand forecast is presented as a single figure. The check must be repeatable without depending on the report creator’s computer. Two analysts propose different solutions to communicate uncertainty. Which correctly applies the criterion for forecast?

Question 24 of 25 · STORYTELLING

The recommendation proposes changing carrier without an owner or metric. The solution must retain granularity even if the next batch changes. The team cannot complete the work until make it actionable. Which criterion for recommendation should take priority?

Question 25 of 25 · STORYTELLING

A narrative removes a region that contradicts the overall trend. The output will be reused at the next reporting close and exceptions must remain visible. Before maintain honest communication, which alternative correctly applies the criterion for storytelling?