Cognizant Associate Interview Questions, Process, and Tips

Q1. Are you interested to attend interview of Cognizant?
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Q1. Oops concepts, exceptions handling
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Q2. Selenium grid , alert, screenshot
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Q3. Abstract class, interface
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Q1. Which Location do you like to work?
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Basic aptitude ans sql mcq

Q1. Oops concepts , data science definition, project ,python
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Q2. Aptitude questions on ratiod
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The coding test basically consisted of dsa n sql questions. The level of questions were from easy to medium level.

Q1. Explain joins in sql
Ans. 
Joins in SQL are used to combine data from two or more tables based on a related column.
• Joins are used to retrieve data from multiple tables in a single query

• There are different types of joins such as inner join, left join, right join, and full outer join

• The join condition is specified using the ON keyword and the related columns

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column
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Q2. Write a code for reversing a word.
Ans. 
Code for reversing a word
• Create an empty string variable

• Loop through the characters of the word in reverse order

• Add each character to the empty string variable

• Return the reversed word
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Q1. Here we had to give a background check. No specific questions were asked
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Q1. What is difference between overriding and overloading
Ans. 
Overriding is when a subclass provides a specific implementation for a method that is already provided by its parent class, while overloading is when multiple methods have the same name but different parameters.
• Overriding involves changing the method implementation in a subclass, while overloading involves having multiple methods with the same name but different parameters.

• Overriding is used for runtime polymorphism, w...read more
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Q2. Tell me oops concepts and how can you use these in real life
Ans. 
Object-oriented programming concepts like inheritance, encapsulation, polymorphism, and abstraction can be used in real life to organize and structure code efficiently.
• Inheritance allows for code reusability by creating a new class that inherits properties and methods from an existing class.

• Encapsulation helps in bundling data and methods that operate on the data into a single unit, protecting data from outside interfe...read more
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Q1. React basic questions like virtual DOM, state & props, hooks
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Q1. Salary discussion
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