30-question level test

Explore six areas: Python, object-oriented programming, quality, data, Python and security. Questions are original and the result does not certify a professional level.

Question 1 of 30 · C1

In a business scenario involving ‘Setting up the environment: browser, local Python, VS Code and Jupyter’, a task involving diagnosis of a failure is being carried out for ‘local installation’. Which action provides professional evidence and reduces risk?

A. Reduce the case involving local installation to the smallest failing input and retain the sanitised trace before changing code.B. Apply local installation directly to the original and consider it successful if the program finishes without an exception.C. Remove validation for local installation to process more rows, and manually address only subsequent complaints.D. Delegate local installation entirely to an AI response and publish the first output without testing or human review.

Question 2 of 30 · C1

In a business scenario involving ‘Functions, modules, packages and organisation’, a task involving interpretation of a result is being carried out for ‘project organisation’. Which action provides professional evidence and reduces risk?

A. Delegate project organisation entirely to an AI response and publish the first output without testing or human review.B. Compare the result for project organisation with an expected value and explain any relevant difference.C. Apply project organisation directly to the original and consider it successful if the program finishes without an exception.D. Remove validation for project organisation to process more rows, and manually address only subsequent complaints.

Question 3 of 30 · C1

In a business scenario involving ‘Setting up the environment: browser, local Python, VS Code and Jupyter’, a task involving selection of a safe practice is being carried out for ‘WebAssembly lab’. Which action provides professional evidence and reduces risk?

A. Delegate WebAssembly lab entirely to an AI response and publish the first output without testing or human review.B. Confirm that WebAssembly lab is authorised, repeatable, and has defined inputs, outputs and recovery.C. Apply WebAssembly lab directly to the original and consider it successful if the program finishes without an exception.D. Remove validation for WebAssembly lab to process more rows, and manually address only subsequent complaints.

Question 4 of 30 · C1

In a business scenario involving ‘Variables, data types, operators and input’, a task involving design decision is being carried out for ‘numbers and decimals’. Which action provides professional evidence and reduces risk?

A. Remove validation for numbers and decimals to process more rows, and manually address only subsequent complaints.B. Delegate numbers and decimals entirely to an AI response and publish the first output without testing or human review.C. Separate reading, rules and writing in numbers and decimals so that they can be tested and replaced independently.D. Apply numbers and decimals directly to the original and consider it successful if the program finishes without an exception.

Question 5 of 30 · C1

In a business scenario involving ‘Lists, tuples, dictionaries and sets’, a task involving diagnosis of a failure is being carried out for ‘tuples’. Which action provides professional evidence and reduces risk?

A. Delegate tuples entirely to an AI response and publish the first output without testing or human review.B. Reduce the case involving tuples to the smallest failing input and retain the sanitised trace before changing code.C. Apply tuples directly to the original and consider it successful if the program finishes without an exception.D. Remove validation for tuples to process more rows, and manually address only subsequent complaints.

Question 6 of 30 · C2

In a business scenario involving ‘Errors, validation, logging and debugging’, a task involving code review is being carried out for ‘debugging’. Which action provides professional evidence and reduces risk?

A. Apply debugging directly to the original and consider it successful if the program finishes without an exception.B. Remove validation for debugging to process more rows, and manually address only subsequent complaints.C. Delegate debugging entirely to an AI response and publish the first output without testing or human review.D. Review the contract, side effects and tests for debugging, not just its style.

Question 7 of 30 · C2

In a business scenario involving ‘Errors, validation, logging and debugging’, a task involving handling of an edge case is being carried out for ‘logging’. Which action provides professional evidence and reduces risk?

A. Explicitly define what should happen in logging for empty input, nulls, incorrect types and extreme values.B. Apply logging directly to the original and consider it successful if the program finishes without an exception.C. Remove validation for logging to process more rows, and manually address only subsequent complaints.D. Delegate logging entirely to an AI response and publish the first output without testing or human review.

Question 8 of 30 · C2

In a business scenario involving ‘Errors, validation, logging and debugging’, a task involving design decision is being carried out for ‘defensive validation’. Which action provides professional evidence and reduces risk?

A. Delegate defensive validation entirely to an AI response and publish the first output without testing or human review.B. Separate reading, rules and writing in defensive validation so that they can be tested and replaced independently.C. Apply defensive validation directly to the original and consider it successful if the program finishes without an exception.D. Remove validation for defensive validation to process more rows, and manually address only subsequent complaints.

Question 9 of 30 · C2

In a business scenario involving ‘Errors, validation, logging and debugging’, a task involving privacy control is being carried out for ‘exceptions’. Which action provides professional evidence and reduces risk?

A. Remove validation for exceptions to process more rows, and manually address only subsequent complaints.B. Delegate exceptions entirely to an AI response and publish the first output without testing or human review.C. Use synthetic or minimised data for exceptions and prevent secrets or personal data from reaching logs.D. Apply exceptions directly to the original and consider it successful if the program finishes without an exception.

Question 10 of 30 · C2

In a business scenario involving ‘Regular expressions and text processing’, a task involving interpretation of a result is being carried out for ‘format validation’. Which action provides professional evidence and reduces risk?

A. Remove validation for format validation to process more rows, and manually address only subsequent complaints.B. Delegate format validation entirely to an AI response and publish the first output without testing or human review.C. Compare the result for format validation with an expected value and explain any relevant difference.D. Apply format validation directly to the original and consider it successful if the program finishes without an exception.

Question 11 of 30 · C3

In a business scenario involving ‘CSV and Excel automation’, a task involving choice of a test is being carried out for ‘formats and formulas’. Which action provides professional evidence and reduces risk?

A. Remove validation for formats and formulas to process more rows, and manually address only subsequent complaints.B. Delegate formats and formulas entirely to an AI response and publish the first output without testing or human review.C. Write a positive test, a boundary test and a negative test for the contract covering formats and formulas.D. Apply formats and formulas directly to the original and consider it successful if the program finishes without an exception.

Question 12 of 30 · C3

In a business scenario involving ‘Data cleaning, transformation and quality’, a task involving traceability is being carried out for ‘quality report’. Which action provides professional evidence and reduces risk?

A. Apply quality report directly to the original and consider it successful if the program finishes without an exception.B. Remove validation for quality report to process more rows, and manually address only subsequent complaints.C. Delegate quality report entirely to an AI response and publish the first output without testing or human review.D. Record a run identifier, quantities and decisions for quality report, without copying sensitive content.

Question 13 of 30 · C3

In a business scenario involving ‘CSV and Excel automation’, a task involving interpretation of a result is being carried out for ‘safe consolidation’. Which action provides professional evidence and reduces risk?

A. Delegate safe consolidation entirely to an AI response and publish the first output without testing or human review.B. Compare the result for safe consolidation with an expected value and explain any relevant difference.C. Apply safe consolidation directly to the original and consider it successful if the program finishes without an exception.D. Remove validation for safe consolidation to process more rows, and manually address only subsequent complaints.

Question 14 of 30 · C3

In a business scenario involving ‘Analysis with Pandas and NumPy’, a task involving choice of a test is being carried out for ‘joins’. Which action provides professional evidence and reduces risk?

A. Write a positive test, a boundary test and a negative test for the contract covering joins.B. Apply joins directly to the original and consider it successful if the program finishes without an exception.C. Remove validation for joins to process more rows, and manually address only subsequent complaints.D. Delegate joins entirely to an AI response and publish the first output without testing or human review.

Question 15 of 30 · C3

In a business scenario involving ‘Data cleaning, transformation and quality’, a task involving design decision is being carried out for ‘duplicates’. Which action provides professional evidence and reduces risk?

A. Remove validation for duplicates to process more rows, and manually address only subsequent complaints.B. Delegate duplicates entirely to an AI response and publish the first output without testing or human review.C. Separate reading, rules and writing in duplicates so that they can be tested and replaced independently.D. Apply duplicates directly to the original and consider it successful if the program finishes without an exception.

Question 16 of 30 · C4

In a business scenario involving ‘SQL and SQLite from Python’, a task involving failure recovery is being carried out for ‘relational model’. Which action provides professional evidence and reduces risk?

A. Apply relational model directly to the original and consider it successful if the program finishes without an exception.B. Remove validation for relational model to process more rows, and manually address only subsequent complaints.C. Delegate relational model entirely to an AI response and publish the first output without testing or human review.D. Stop changes, preserve the original and resume relational model from validated temporary output.

Question 17 of 30 · C4

In a business scenario involving ‘SQL and SQLite from Python’, a task involving handling of an edge case is being carried out for ‘aggregations’. Which action provides professional evidence and reduces risk?

A. Remove validation for aggregations to process more rows, and manually address only subsequent complaints.B. Delegate aggregations entirely to an AI response and publish the first output without testing or human review.C. Explicitly define what should happen in aggregations for empty input, nulls, incorrect types and extreme values.D. Apply aggregations directly to the original and consider it successful if the program finishes without an exception.

Question 18 of 30 · C4

In a business scenario involving ‘Visualisation with Matplotlib, Seaborn and Plotly’, a task involving choice of a test is being carried out for ‘Plotly’. Which action provides professional evidence and reduces risk?

A. Apply Plotly directly to the original and consider it successful if the program finishes without an exception.B. Remove validation for Plotly to process more rows, and manually address only subsequent complaints.C. Delegate Plotly entirely to an AI response and publish the first output without testing or human review.D. Write a positive test, a boundary test and a negative test for the contract covering Plotly.

Question 19 of 30 · C4

In a business scenario involving ‘SQL and SQLite from Python’, a task involving choice of a test is being carried out for ‘joins’. Which action provides professional evidence and reduces risk?

A. Remove validation for joins to process more rows, and manually address only subsequent complaints.B. Delegate joins entirely to an AI response and publish the first output without testing or human review.C. Write a positive test, a boundary test and a negative test for the contract covering joins.D. Apply joins directly to the original and consider it successful if the program finishes without an exception.

Question 20 of 30 · C4

In a business scenario involving ‘SQL and SQLite from Python’, a task involving code review is being carried out for ‘joins’. Which action provides professional evidence and reduces risk?

A. Delegate joins entirely to an AI response and publish the first output without testing or human review.B. Review the contract, side effects and tests for joins, not just its style.C. Apply joins directly to the original and consider it successful if the program finishes without an exception.D. Remove validation for joins to process more rows, and manually address only subsequent complaints.

Question 21 of 30 · C5

In a business scenario involving ‘Safe use of APIs and JSON’, a task involving code review is being carried out for ‘pagination and retries’. Which action provides professional evidence and reduces risk?

A. Review the contract, side effects and tests for pagination and retries, not just its style.B. Apply pagination and retries directly to the original and consider it successful if the program finishes without an exception.C. Remove validation for pagination and retries to process more rows, and manually address only subsequent complaints.D. Delegate pagination and retries entirely to an AI response and publish the first output without testing or human review.

Question 22 of 30 · C5

In a business scenario involving ‘Reports and controlled email delivery’, a task involving interpretation of a result is being carried out for ‘draft mode and confirmation’. Which action provides professional evidence and reduces risk?

A. Remove validation for draft mode and confirmation to process more rows, and manually address only subsequent complaints.B. Delegate draft mode and confirmation entirely to an AI response and publish the first output without testing or human review.C. Compare the result for draft mode and confirmation with an expected value and explain any relevant difference.D. Apply draft mode and confirmation directly to the original and consider it successful if the program finishes without an exception.

Question 23 of 30 · C5

In a business scenario involving ‘PDF and document automation’, a task involving design decision is being carried out for ‘structured extraction’. Which action provides professional evidence and reduces risk?

A. Delegate structured extraction entirely to an AI response and publish the first output without testing or human review.B. Separate reading, rules and writing in structured extraction so that they can be tested and replaced independently.C. Apply structured extraction directly to the original and consider it successful if the program finishes without an exception.D. Remove validation for structured extraction to process more rows, and manually address only subsequent complaints.

Question 24 of 30 · C5

In a business scenario involving ‘Reports and controlled email delivery’, a task involving selection of a safe practice is being carried out for ‘templates’. Which action provides professional evidence and reduces risk?

A. Remove validation for templates to process more rows, and manually address only subsequent complaints.B. Delegate templates entirely to an AI response and publish the first output without testing or human review.C. Confirm that templates is authorised, repeatable, and has defined inputs, outputs and recovery.D. Apply templates directly to the original and consider it successful if the program finishes without an exception.

Question 25 of 30 · C5

In a business scenario involving ‘Reports and controlled email delivery’, a task involving traceability is being carried out for ‘draft mode and confirmation’. Which action provides professional evidence and reduces risk?

A. Delegate draft mode and confirmation entirely to an AI response and publish the first output without testing or human review.B. Record a run identifier, quantities and decisions for draft mode and confirmation, without copying sensitive content.C. Apply draft mode and confirmation directly to the original and consider it successful if the program finishes without an exception.D. Remove validation for draft mode and confirmation to process more rows, and manually address only subsequent complaints.

Question 26 of 30 · C6

In a business scenario involving ‘AI applied to code’, a task involving execution order is being carried out for ‘code review’. Which action provides professional evidence and reduces risk?

A. Remove validation for code review to process more rows, and manually address only subsequent complaints.B. Delegate code review entirely to an AI response and publish the first output without testing or human review.C. Validate the input for code review first, transform a copy, check the output and only then publish it.D. Apply code review directly to the original and consider it successful if the program finishes without an exception.

Question 27 of 30 · C6

In a business scenario involving ‘Career guidance and further learning pathways’, a task involving design decision is being carried out for ‘Data engineering’. Which action provides professional evidence and reduces risk?

A. Apply Data engineering directly to the original and consider it successful if the program finishes without an exception.B. Remove validation for Data engineering to process more rows, and manually address only subsequent complaints.C. Delegate Data engineering entirely to an AI response and publish the first output without testing or human review.D. Separate reading, rules and writing in Data engineering so that they can be tested and replaced independently.

Question 28 of 30 · C6

In a business scenario involving ‘Career guidance and further learning pathways’, a task involving interpretation of a result is being carried out for ‘continuing development plan’. Which action provides professional evidence and reduces risk?

A. Delegate continuing development plan entirely to an AI response and publish the first output without testing or human review.B. Compare the result for continuing development plan with an expected value and explain any relevant difference.C. Apply continuing development plan directly to the original and consider it successful if the program finishes without an exception.D. Remove validation for continuing development plan to process more rows, and manually address only subsequent complaints.

Question 29 of 30 · C6

In a business scenario involving ‘AI applied to code’, a task involving code review is being carried out for ‘adversarial tests’. Which action provides professional evidence and reduces risk?

A. Review the contract, side effects and tests for adversarial tests, not just its style.B. Apply adversarial tests directly to the original and consider it successful if the program finishes without an exception.C. Remove validation for adversarial tests to process more rows, and manually address only subsequent complaints.D. Delegate adversarial tests entirely to an AI response and publish the first output without testing or human review.

Question 30 of 30 · C6

In a business scenario involving ‘AI applied to code’, a task involving failure recovery is being carried out for ‘good context’. Which action provides professional evidence and reduces risk?

A. Remove validation for good context to process more rows, and manually address only subsequent complaints.B. Delegate good context entirely to an AI response and publish the first output without testing or human review.C. Stop changes, preserve the original and resume good context from validated temporary output.D. Apply good context directly to the original and consider it successful if the program finishes without an exception.