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Cognizant
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Cognizant Senior Engineer Interview Questions and Answers
Cognizant Senior Engineer Interview Experiences
6 interviews found
Anonymous
I applied via Company Website and was interviewed in Dec 2021. There were 3 interview rounds.
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Selected
I applied via Recruitment Consulltant and was interviewed before Feb 2023. There was 1 interview round.
I applied via Naukri.com and was interviewed in Nov 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. What is virtual DOM
- Ans.
Virtual DOM is a lightweight copy of the actual DOM used for efficient updates.
Virtual DOM is a concept used in modern web development frameworks like React.
It is a lightweight copy of the actual DOM that is used to track changes and update the actual DOM efficiently.
When a change is made to the virtual DOM, it is compared to the previous version to determine the minimum number of changes required to update the actual ...
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What people are saying about Cognizant
I applied via LinkedIn and was interviewed in Jun 2021. There was 1 interview round.
Interview Questionnaire
2 Questions
- Q1. Basics of Angular
- Q2. Basics of js
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Cognizant interview questions for designations
Interview Questionnaire
1 Question
- Q1. React hooks
Interview Questionnaire
1 Question
- Q1. React hooks
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I applied via Naukri.com and was interviewed in Aug 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Past experience and communication skills
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Interview Questionnaire
1 Question
- Q1. What is name mangling?
- Ans.
Name mangling is a technique used by compilers to give unique names to functions and variables to avoid naming conflicts.
Name mangling is used in C++ to support function overloading.
It is also used in Python to avoid naming conflicts in modules.
Name mangling can make it difficult to access variables and functions from outside the class in which they are defined.
In C++, name mangling can be seen by using the 'nm' comman
Skills evaluated in this interview
I applied via Naukri.com and was interviewed before Jul 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Coming to AEM,Interviewer has covered all the topics.
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I applied via Naukri.com and was interviewed before Oct 2021. There were 3 interview rounds.
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Skills evaluated in this interview
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Cognizant Interviews By Designations
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Cognizant Senior Engineer Interview Process
based on 1 interview
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Cognizant Senior Engineer Reviews and Ratings
based on 19 reviews
Rating in categories
|
Associate
72.1k
salaries
|  ₹5.1 L/yr - ₹16 L/yr |
|
Programmer Analyst
55.5k
salaries
| ₹2.4 L/yr - ₹9.5 L/yr |
|
Senior Associate
48.9k
salaries
| ₹9 L/yr - ₹27.7 L/yr |
|
Senior Processing Executive
28.9k
salaries
| ₹1.8 L/yr - ₹9 L/yr |
|
Technical Lead
17.5k
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| ₹5.9 L/yr - ₹21 L/yr |
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