PwC Interview Questions, Process, and Tips

Q1. Difference between inheritance and polymorphism
Ans. 
Inheritance is a way to create a new class using properties and methods of an existing class, while polymorphism allows objects of different classes to be treated as objects of a common superclass.
• Inheritance allows a class to inherit properties and methods from another class.

• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• Inheritance promotes code reusability and reduce...read more
Answered by AI
Add your answer
Q2. Write a code to check anagram or not
Ans. 
Code to check if two strings are anagrams
• Create a function that takes in two strings as input

• Convert both strings to lowercase and remove any spaces

• Sort both strings and compare if they are equal to determine if they are anagrams
Answered by AI
Add your answer

Q1. Python code for prime numbers
Add your answer
Q2. Data bricks pyspark code for first 10 employees with salary
Add your answer

Q1. What is difference between central repo and local repo
Ans. 
Central repo is a shared repository for multiple users, while local repo is specific to an individual user.
• Central repo is accessible to all users in the organization.

• Local repo is only accessible to the user who created it.

• Changes made in central repo are visible to all users.

• Local repo is used for personal development and testing purposes.

• Example: Central repo for team collaboration, local repo for individual experim
Answered by AI
Add your answer

Q1. What challenges did you face in your recent project?
Ans. 
I faced challenges in coordinating with offshore team members and managing tight deadlines.
• Coordinating with offshore team members in different time zones

• Managing tight deadlines and ensuring timely delivery of automation scripts

• Dealing with unexpected changes in project requirements
Answered by AI
Add your answer
Q2. What are the roles and responsibilities in your current project?
Ans. 
In my current project, I am responsible for designing, developing, and executing automated test scripts using Selenium.
• Designing test cases and scenarios for automation

• Developing automated test scripts using Selenium WebDriver

• Executing test scripts and analyzing results

• Identifying and reporting defects

• Collaborating with developers and QA team to ensure quality of the software
Answered by AI
Add your answer
Q3. Code: take your name as input and print every letter separately and if any vowel is repeated print those vowels.
Ans. 
The code takes a name as input, prints each letter separately, and identifies repeated vowels.
• Create a function that takes a string input for the name

• Iterate through each letter in the name and print it separately

• Track the vowels and check for repetitions to print repeated vowels
Answered by AI
Add your answer
Q4. What is Fluent Wait?
Ans. 
Fluent Wait is a dynamic wait mechanism in Selenium that waits for a certain condition to be met before proceeding.
• Fluent Wait is used to define the maximum amount of time to wait for a condition, as well as the frequency with which to check the condition.

• It can be customized with different polling intervals and exceptions to ignore.

• Example: WebDriverWait wait = new WebDriverWait(driver, 10); wait.pollingEvery(Duration...read more
Answered by AI
Add your answer
Q5. Difference between findElement and findElements.
Ans. 
findElement returns the first matching element on the web page, while findElements returns a list of all matching elements.
• findElement returns a single WebElement matching the specified locator, while findElements returns a list of WebElements.

• findElement throws NoSuchElementException if no matching element is found, while findElements returns an empty list.

• Example: WebElement element = driver.findElement(By.id("userna...read more
Answered by AI
Add your answer

Aptitude was Okay. Time given was less.

Q1. Project architecture
Add your answer
Q2. Dataframes in Pyspark
Ans. 
Dataframes in Pyspark are distributed collections of data organized into named columns.
• Dataframes are similar to tables in a relational database.

• They can be created from various data sources like CSV, JSON, Parquet, etc.

• Dataframes support SQL queries and transformations using PySpark functions.
Answered by AI
Add your answer

Q1. Python Question for 2nd highest salary
Add your answer
Q2. Pyspark scenario based question
Add your answer

Q1. Ready to travel on site
Ans. 
Yes, I am ready to travel on site for data engineering projects.
• I am willing to travel for client meetings, project kick-offs, and on-site troubleshooting.

• I understand the importance of face-to-face interactions in project delivery.

• I have previous experience traveling for work, such as attending conferences or training sessions.

• I am flexible with my schedule and can accommodate last-minute travel if needed.
Answered by AI
Add your answer
Q2. Salary negotiation
Add your answer

Q1. Tell me the difference between functional and non-functional testing
Ans. 
Functional testing checks if the software functions as expected, while non-functional testing checks the performance, usability, security, etc.
• Functional testing focuses on the specific functionality of the software

• Non-functional testing focuses on aspects like performance, usability, security, etc.

• Examples of functional testing include unit testing, integration testing, and system testing

• Examples of non-functional tes...read more
Answered by AI
Add your answer
Q2. Tell me the difference between performance and capacity testing
Ans. 
Performance testing focuses on evaluating the speed, responsiveness, and stability of a system under a specific workload, while capacity testing assesses the system's ability to handle a certain level of traffic or data volume over time.
• Performance testing measures the speed, responsiveness, and stability of a system under a specific workload.

• Capacity testing evaluates the system's ability to handle a certain level of ...read more
Answered by AI
Add your answer

Q1. Tell me about a time that you had a disagreement with a colleague. How did you approach and resolve the disagreement?
Add your answer
Q2. What would you consider your biggest weakness? What have you done to work on it?
Add your answer
Q3. How do you feel about working for a globally distributed team? What strategies do you take to make such teams run smoothly?
Add your answer