KLA Software QA Engineer Interview Questions and Answers

Q1. What is shared memory
Ans. 
Shared memory is a memory space that multiple processes can access and use to communicate with each other.
• Shared memory allows multiple processes to share data without the need for inter-process communication mechanisms like pipes or sockets.

• It is commonly used in parallel computing to improve performance by allowing processes to share data quickly.

• Shared memory can be implemented using techniques like memory mapping o...read more
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Q2. Write a member function to find the second largest number in an array
Ans. 
Write a member function to find the second largest number in an array.
• Iterate through the array and keep track of the largest and second largest numbers.

• Handle edge cases like when the array has less than 2 elements.

• Consider sorting the array and returning the second last element for a simpler solution.
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Q3. What is core and how to determine it
Ans. 
Core is the central or most important part of something. Determining the core involves identifying the key components or elements.
• Core is the central or essential part of a system or object

• To determine the core, identify the key components or elements that are crucial for the functionality or purpose of the system

• In software QA, determining the core may involve identifying the critical features or functionalities that ...read more
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Q4. How defect management systems work
Ans. 
Defect management systems track, prioritize, and resolve software issues throughout the development lifecycle.
• Defects are reported by testers or users and logged into the system.

• Each defect is assigned a priority level based on its impact on the software.

• Defects are tracked from discovery to resolution, with status updates along the way.

• Defect management systems help teams prioritize and allocate resources efficiently.

• ...read more
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Q5. How do you add a file to bitbucket
Ans. 
To add a file to Bitbucket, you can use the web interface or command line tools.
• Navigate to the repository where you want to add the file

• Click on the 'Add file' button or use 'git add' command to add the file

• Commit the changes with a message describing the file addition

• Push the changes to the remote repository
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Q6. How to check the processes running in linux machine
Ans. 
To check processes running in a Linux machine, you can use commands like ps, top, and htop.
• Use 'ps' command to display information about processes

• Use 'top' command to display dynamic real-time view of processes

• Use 'htop' command for an interactive process viewer
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Coding questions on Strings, Array and basic data structures followed by design discussion.

Q1. Pure C++ design and other principles.
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Q1. General HR questions.
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Q1. OOPS questions , project related questions , linked list , trees
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Q2. Verilog coding questions
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Q3. Digital electronics and signal ans systems
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Q1. Macros in depth , technical c++ and dsa questions , verilog coding
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Q2. Project related questions , general design questions
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Longest common string prefix
street robber

Longest common string prefix
street robber

Q1. Asked few basic Dsa questions and questions about projects from your resume
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Q2. Reverse the linkedlist
Ans. 
Reverse a linked list
• Iterate through the linked list and reverse the pointers

• Use three pointers to keep track of current, previous, and next nodes

• Update the next pointer of each node to point to the previous node
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Q1. About myself, and few questions from OS and database. And why do you find fit for the role
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One round online life coding, with the question being a simple find the smallest element from a list