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EY (Ernst & Young) Interview Questions

Last Updated : 12 Aug, 2024
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EY is one of the “Big Four” accounting organizations and the largest professional services network in the world by revenue and number of professionals. EY offers many technical roles in the areas of auditing, tax, consulting, and technology. Interviews for technical profiles can be challenging, but with the right preparation, you can increase your chances of success.

This article provides a list of popular EY technical interview questions and answers that have been asked in many technical profiles at the company. Read the complete article to gain a better understanding of what to expect in the interview.

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EY (Ernst & Young) Interview Questions

Table of Content

Recruitment Process

To know more about EY (Ernst & Young) Hiring Process please check out  EY (Ernst & Young) Recruitment Process

DSA Problems

Preparing for a Data Structures and Algorithms (DSA) interview at EY (Ernst & Young) can be challenging but rewarding. To help you get ready, we've compiled a list of commonly asked DSA questions along with tips on how to approach them effectively.

ProblemsPractice
Find the Missing NumberTry it
Reverse a Linked ListTry it
Merge IntervalsTry it
Depth-First Search (DFS)Try it
Implement Queue using StacksTry it
Longest Common SubsequenceTry it
Kadane’s AlgorithmTry it
Binary Tree Inorder TraversalTry it
Two SumTry it
Subarray Sum Equals KTry it
Search in Rotated Sorted ArrayTry it
Lowest Common AncestorTry it
Group AnagramsTry it
Sliding Window MaximumTry it
Edit DistanceTry it
Quick SortTry it
Next Greater ElementTry it
Top K Frequent ElementsTry it
Palindrome Linked ListTry it
Valid ParenthesesTry it
Number of IslandsTry it
House RobberTry it
Merge Two Sorted ListsTry it
Longest Increasing SubsequenceTry it
Best Time to Buy and Sell StockTry it
Clone GraphTry it
Invert Binary TreeTry it
Course ScheduleTry it
Median of Two Sorted ArraysTry it
Binary SearchTry it
Detect a Cycle in a Linked ListTry it
Subarray Sum Equals KTry it
Trapping Rain WaterTry it
0/1 Knapsack ProblemTry it
Serialize and Deserialize Binary TreeTry it
Find Peak ElementTry it
Minimum Window SubstringTry it
Validate Binary Search TreeTry it
Remove Nth Node From EndTry it
Min StackTry it

Technical Interview Questions

  1. What are the advantages of Packages in Java?
  2. Why is String Immutable?
  3. SOLID principal of software development.
  4. Difference between Abstract class and Interface.
  5. What is dependency Injection?
  6. What are the features of a lambda expression?
  7. What are the differences between a class component and functional component?
  8. What is the difference between slice and splice?
  9. What are the advantages of using Redux?
  10. What is Garbage collector in JAVA?
  11. What are props in React?
  12. What is diffing algorithm?
  13. What is a pass in Python?
  14. What is middleware?
  15. How to import a module in Node.js?

DBMS

Database Management System is a software or technology used to manage data from a database.

  1. Explain the ACID properties in a database.
  2. What is normalization? Explain its various normal forms.
  3. What is a primary key?
  4. What is a foreign key?
  5. Explain the differences between SQL and NoSQL databases.
  6. What is a join in SQL? Explain different types of joins.
  7. What are indexes? Why are they used?
  8. Explain the difference between DELETE and TRUNCATE commands.
  9. What is a transaction in a database?
  10. What is the difference between UNION and UNION ALL?

Operating System

Operating System lies in the category of system software. It basically manages all the resources of the computer.

  1. What are the main functions of an operating system?
  2. Explain the concept of process and thread. What are the differences between them?
  3. What is a deadlock? How can it be prevented or resolved?
  4. What is the difference between multitasking, multithreading, and multiprocessing?
  5. Explain the concept of virtual memory.
  6. What are the different types of scheduling algorithms?
  7. What is a semaphore? How does it work in process synchronization?
  8. Explain the differences between user-level and kernel-level threads.
  9. What is a context switch?
  10. How does paging work in an operating system?

Computer Network

Computer network is a system that connects numerous independent computers in order to share information (data) and resources

  1. What is the OSI model? Explain each layer.
  2. What is the difference between TCP and UDP?
  3. Explain how HTTP and HTTPS work.
  4. What is the function of a router, switch, and hub in a network?
  5. What is subnetting and why is it used?
  6. Describe the process of data encapsulation in networking.
  7. What is DNS and how does it work?
  8. What is a VPN and how does it enhance network security?
  9. Explain the difference between IPv4 and IPv6.
  10. What is a firewall and how does it work?

Tips for Answering EY Interview Questions

  1. Research the Company:
    • Understand EY's mission, values, and recent developments. Familiarize yourself with their services, industry position, and any recent news or projects.
  2. Understand the Role:
    • Review the job description thoroughly and understand the key responsibilities and required skills. Be prepared to discuss how your experience and skills align with the role.
  3. Practice Common Interview Questions:
    • Practice answering common technical, behavioral, and situational interview questions. Use the STAR method (Situation, Task, Action, Result) for structuring your responses.

EY Interview Experience


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