PwC Senior Associate Interview Questions, Process, and Tips

Q1. Why do you want to join pwc?
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Q2. What are your strengths and weaknesses?
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Q1. Informatica performance tuning approaches
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Q2. How many records do you get if no group by port is selected in aggregator
Ans. 
The number of records returned by aggregator without group by port selected.
• The number of records returned will be equal to the number of input records.

• Aggregator will perform calculations on all input records without grouping them.

• If there are 100 input records, aggregator will return 100 output records.
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Q3. Give example of any complex logic developed and questions around it
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Q4. Scenario based question on sql
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Q5. Questions on visualization
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Q6. Describe a data analyticw project overview end to end
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A data analytics project involves collecting, processing, analyzing, and visualizing data to gain insights and make informed decisions.
• Identify the problem or question to be answered

• Collect relevant data from various sources

• Clean and preprocess the data to ensure accuracy and consistency

• Analyze the data using statistical and machine learning techniques

• Visualize the results to communicate insights and findings

• Iterate an...read more
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Q7. Scenario based questions on informatica
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Q1. This is director round. get a overview of what kind of work has been done and salqry discussion
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Q1. 1Regarding grafana, Splunk Databases, Monitoring tools etc.
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Q2. Regarding the environment.
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Q1. Different types of projects
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Different types of projects can include research projects, construction projects, software development projects, and marketing projects.
• Research projects involve gathering data, analyzing information, and drawing conclusions.

• Construction projects involve building structures such as buildings, bridges, or roads.

• Software development projects involve creating computer programs or applications.

• Marketing projects involve pr...read more
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Q1. Show us a time when you worked under pressure
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Q2. Show us a time when you had to resolve a conflict
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Mock M&A case consisting of a Technology due diligence typical project.

Q1. Partner interview, cultural fit
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Q1. Explain how splitting happens in Decision tree
Ans. 
Splitting in decision tree involves dividing the dataset into subsets based on a certain feature.
• Splitting is done based on a feature that results in the best separation of classes or reduction in impurity.

• The process continues recursively until a stopping criterion is met, such as reaching a maximum depth or minimum number of samples in a node.

• Popular splitting criteria include Gini impurity, entropy, and information ...read more
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On projects we did on the overall experience