Decathlon Test Engineer Interview Questions and Answers

Q1. AWS questions, Behavioral questions
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Create some kind of system design (some kind of app)

Q1. Recreate the array's concat function.
Ans. 
Recreate the concat function for arrays of strings.
• Create a new array to store the concatenated strings.

• Loop through each element in the input arrays and add them to the new array.

• Return the new concatenated array.
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Q2. Getting a response from a promise.
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Create a react component to load an image from an HTTP request with error handling.

Coding test based on DP and 25 mcqs

Q1. Explanation of the projects done
Ans. 
Developed a web application for tracking inventory and sales data
• Used React.js for front-end development

• Implemented RESTful APIs using Node.js and Express

• Utilized MongoDB for database management
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Q2. Css related questions
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Q1. LRU Cache implementation
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Q2. Diameter of the tree
Ans. 
The diameter of a tree is the longest path between two nodes in a tree.
• The diameter of a tree can be calculated by finding the longest path between two nodes in the tree.

• It is not necessarily the path between the root and a leaf node.

• The diameter of a tree can be calculated using Depth First Search (DFS) or Breadth First Search (BFS) algorithms.
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Q1. Array question : sliding window problem
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All questions are easy

Q1. Tell about yourself
Ans. 
I am a software engineer with 5 years of experience in developing web applications using Java, Spring Boot, and Angular.
• Graduated with a degree in Computer Science from XYZ University

• Worked at ABC Company as a full-stack developer

• Proficient in Java, Spring Boot, Angular, and SQL

• Developed a customer management system for XYZ client

• Passionate about learning new technologies and problem-solving
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Q2. What is sap security
Ans. 
SAP security refers to the measures taken to protect SAP systems and data from unauthorized access and misuse.
• SAP security involves setting up user roles and authorizations to control access to sensitive data

• It includes implementing encryption, authentication, and audit trails to ensure data integrity

• Regular security assessments and updates are necessary to protect against vulnerabilities

• Examples of SAP security tools ...read more
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