Preview Questions Data Analyst | Role Specific Skill

Question 1: How would you ensure that a report dynamically updates with new data without manual intervention in a BI tool?

Which action should you take?

Choose only one option

Manually update data sources

Re-import data weekly

Use a data refresh schedule

Disable auto-refresh

Question 2: When preparing a regulatory report on financial products, which of the following is the most important aspect of clear documentation?

Which action should you take?

Choose only one option

Ensuring all regulatory requirements are clearly cited with supporting data

Minimizing the content to only include the most critical figures

Presenting data without addressing regulatory obligations

Using complex terminology to ensure precision

Question 3: When performing feature selection in credit risk modeling, which method evaluates the importance of each feature based on the model's coefficients?

Which action should you take?

Choose only one option

Recursive Feature Elimination (RFE)

Principal Component Analysis (PCA)

Backward Elimination

Forward Selection

Question 4: What is the most efficient approach to deal with missing data in large financial time series data?

Which action should you take?

Choose only one option

Use linear interpolation based on the adjacent values

Replace missing values with a constant value like 0

Drop rows with missing values

Use random imputation to fill in the gaps

Question 5: How do you assess whether a financial time series dataset is stationary for modeling purposes?

Which action should you take?

Choose only one option

I would perform the Augmented Dickey-Fuller (ADF) test to check for stationarity and difference the data if necessary

I would visually inspect the time series plot and check for trends

I would assume stationarity unless there are obvious seasonal patterns

I would use a moving average model to check for trends

Question 6: When working with large datasets of financial transactions, what is the best approach to prevent deadlocks in a BFSI database?

Which action should you take?

Choose only one option

Increase the database's hardware capacity

Create indexes on all tables for faster querying

Optimize SQL queries and reduce locking conflicts

Use higher isolation levels for transactions