EY Global Delivery Services ( EY GDS) Senior Consultant Interview Questions, Process, and Tips

Q1. Have you had any experience in internal audit? explain process of PTP
Ans. 
Yes
• PTP stands for Procure-to-Pay, which is a process in internal audit.

• It involves the entire cycle of purchasing goods or services, from requisition to payment.

• The process typically includes steps like purchase requisition, purchase order, goods receipt, invoice verification, and payment.

• Internal auditors ensure that the PTP process is efficient, compliant with policies and procedures, and free from fraud or errors.

• Th...read more
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Asked about SQL performance tuning, indexes and partition exchange

Q1. About ODI, knowledge modules, stored procedures
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Hacker rank test with simple question based on Array and String

Q1. Collections , oop's concept, spring boot and Microservices related questions asked
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Q1. Same based on 1st round of technical round they asked
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Q1. Salary expectation
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Q2. Location preference
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Q1. Explain Different time series model. Also explain the unit root test.
Ans. 
Time series models are statistical models used to analyze and forecast time series data. Unit root test is used to determine stationarity of a time series.
• Time series models include ARIMA, SARIMA, and exponential smoothing.

• ARIMA model combines autoregressive, moving average, and differencing components.

• SARIMA model includes seasonal components in addition to ARIMA.

• Exponential smoothing models assign exponentially decre...read more
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Q2. What is VAR, VECM, ARCH and GARCH modeling. How they differ from one another. When to use each of them.
Ans. 
VAR, VECM, ARCH, and GARCH are different types of time series models used in econometrics to analyze and forecast data.
• VAR (Vector Autoregression) models multiple time series variables as a system of equations, capturing the relationships between variables.

• VECM (Vector Error Correction Model) is an extension of VAR that accounts for cointegration among variables, allowing for long-term relationships to be modeled.

• ARCH ...read more
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Q3. What are the assumption of OLS Regression? Explain the impact on the prediction and inference of the model in case of violation.
Ans. 
Assumptions of OLS Regression and impact of violation on prediction and inference
• Assumptions include linearity, independence, homoscedasticity, and normality of errors

• Violation can lead to biased estimates, inefficient predictions, and incorrect inferences

• For example, violation of normality assumption can result in inaccurate confidence intervals
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Q1. Introduction call
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Q1. Roles and responsibility in the project
Ans. 
In a project, roles and responsibilities involve defining tasks, assigning them to team members, and ensuring accountability for completion.
• Define project scope and objectives

• Assign tasks to team members based on their skills and expertise

• Ensure clear communication channels for updates and feedback

• Monitor progress and address any issues or roadblocks

• Ensure accountability for task completion

• Collaborate with stakeholders
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Q1. Package and joining formality
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Q1. All the interviews are combined and took 3 rounds and qualified me The interview was so great and the interviewers are polite & professional
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Q2. Can't disclose interview questions but all the rounds are good
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