Zetaion System Softwaretest Engineer Interview Questions and Answers

2 hrs probablity questions

Q1. Find max element from array
Add your answer
Q2. Binary seeach algo
Add your answer

Find the dominations

Q1. Implement min stack
Ans. 
Implement a stack that supports finding the minimum element in constant time.
• Create a stack to store elements and another stack to store minimum values.

• When pushing an element, check if it is smaller than the current minimum and push it to the min stack if so.

• When popping an element, check if it is the current minimum and pop from the min stack if so.

• To get the minimum element, simply return the top element of the min
Answered by AI
Add your answer
Q2. Find the lca of a given nodes
Ans. 
The lowest common ancestor (LCA) of two nodes in a tree is the shared ancestor that is located farthest from the root.
• Traverse the tree from the root to find the paths from the root to each node.

• Compare the paths to find the last common node between the two paths, which is the LCA.

• If one node is an ancestor of the other, return that node as the LCA.
Answered by AI
Add your answer

General questions in quanz, logical

Q1. Ask about oops and dsa
Add your answer

Q1. Questions from projects
Add your answer

Q1. Java Concepts and coding
Add your answer
Q2. Seleniun Concepts and examples
Ans. 
Selenium is a popular automation testing tool used for web applications.
• Selenium is used for automating web browsers.

• It supports multiple programming languages like Java, Python, C#, etc.

• Selenium WebDriver is the most commonly used component for writing test scripts.

• Selenium Grid is used for parallel testing across different browsers and environments.
Answered by AI
Add your answer

Q1. What is angular
Add your answer
Q2. Javascriptframework
Add your answer

Q1. Write Java program to print factorial or number.
Add your answer

Q1. Difference between veification and validation
Ans. 
Verification ensures the product is built right, while validation ensures the right product is built.
• Verification focuses on process of building the product correctly

• Validation focuses on whether the product meets the customer's needs and requirements

• Verification is done before validation

• Examples: Verification - code reviews, walkthroughs, inspections; Validation - testing, user feedback
Answered by AI
Add your answer
Q2. Write mcdc for a requirement
Ans. 
MCDC testing involves creating test cases that ensure every condition in a decision has been tested at least once.
• Identify all conditions in the decision

• Create test cases that cover all possible combinations of conditions

• Ensure each condition is tested at least once in each test case
Answered by AI
Add your answer