Zensar Technologies Senior Software Developer Interview Questions and Answers

Q1. React questions
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Q2. JavaScript questions
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Q1. React questions
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Q2. JavaScript questions
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Q1. Company related questions
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Q2. Questions based on previous experience
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Q1. Microservice Architecture
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Q2. Rest api vs soap api
Ans. 
REST API is lightweight, flexible, and widely used, while SOAP API is more rigid and heavy.
• REST API uses standard HTTP methods like GET, POST, PUT, DELETE, while SOAP API uses XML for communication.

• REST API is stateless and can be cached, making it faster, while SOAP API is stateful and requires more bandwidth.

• REST API is easier to implement and understand, while SOAP API has more built-in security features.

• Examples: R
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Questions from Resume, solving code snippets, DSA Algo

Q1. Explain GCD, Core Data, Higher Order Functions, ARC
Ans. 
GCD, Core Data, Higher Order Functions, ARC are key concepts in iOS development.
• GCD (Grand Central Dispatch) is a technology for managing concurrent operations.

• Core Data is a framework for managing the model layer objects in an application.

• Higher Order Functions are functions that operate on other functions, taking them as arguments or returning them.

• ARC (Automatic Reference Counting) is a memory management technology
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Q2. Weak Unowned, iOS App States
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Q1. Regarding SQL i Cleared my Test
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Q2. What is CTE ? And Write a Sample Query ?
Ans. 
CTE stands for Common Table Expressions, used to create temporary result sets within a SQL query.
• CTE is defined using the WITH keyword in SQL.

• It helps in simplifying complex queries by breaking them into smaller, more manageable parts.

• CTEs can reference themselves recursively, making them useful for hierarchical data.

• Example: WITH cte AS (SELECT * FROM table_name) SELECT * FROM cte;
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Q3. Print Numbers between 1 to 20 , even/odd numbers
Ans. 
Print even and odd numbers between 1 to 20.
• Iterate from 1 to 20 and check if the number is even or odd.

• Use a conditional statement to determine if the number is even or odd.

• Print the number along with its type (even or odd).
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Q1. Max of the Questions which interviewer was asked i answered well
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1 hr coding round, mostly JAVA questions

Q1. Mostly Design related questions. AWS, Cloud etc.
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Q1. Normal Salary discussions, joining date discussions
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