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Cognizant Performance Engineer Interview Questions and Answers for Experienced
Cognizant Performance Engineer Interview Experiences for Experienced
1 interview found
Anonymous
Interview Questionnaire
2 Questions
- Q1. What do you look for in a heap dump analysis?
- Ans.
Look for memory leaks, excessive object creation, and large objects in heap dump analysis.
Check for objects that are not being garbage collected
Identify objects that are consuming a lot of memory
Look for objects that are being created frequently
Check for objects that are holding onto references to other objects
Analyze the call stack to identify the source of the problem
Examples: excessive use of String objects, large c
- Q2. How do you define garbage collection policy?
- Ans.
Garbage collection policy defines how and when the garbage collector runs to free up memory.
Garbage collection policy determines the frequency of garbage collection.
It defines the algorithm used by the garbage collector to identify and remove unused objects.
Examples of garbage collection policies include mark-and-sweep, generational, and concurrent garbage collection.
The policy can be adjusted based on the application'...
Interview Preparation Tips
Skills evaluated in this interview
Interview questions from similar companies
I applied via Company Website and was interviewed before Oct 2021. There were 5 interview rounds.
Basic Aptitude with some difficult questions
3 set of coding question were asked 1 easy ,1 medium ,1 hard
(1 Question)
- Q1. This was personal technical interview asking all related to my cv and the one they are looking for
(1 Question)
- Q1. Basic personality questions
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Oct 2020. There were 3 interview rounds.
Interview Questionnaire
4 Questions
- Q1. What is difference between C and C++ programming ?
- Ans.
C++ is an extension of C programming language with added features like object-oriented programming.
C++ supports object-oriented programming while C does not.
C++ has classes and objects while C does not.
C++ has function overloading and operator overloading while C does not.
C++ has exception handling while C does not.
C++ supports namespaces while C does not.
- Q2. What is difference between micro-processor and micro controller ? What is 555 IC ? (Because, I am form E&C field)
- Ans.
Micro-processor and micro-controller differ in their architecture and usage. 555 IC is a timer IC used in electronic circuits.
Micro-processor is a CPU with minimal peripherals while micro-controller has CPU, memory, and peripherals on a single chip.
Micro-processor is used in applications that require high processing power while micro-controller is used in embedded systems.
555 IC is a timer IC that can be used in variou...
- Q3. How C++ makes coding easy in comparison to C programming ?
- Ans.
C++ provides object-oriented programming and better memory management than C.
C++ supports classes and objects which makes code modular and reusable.
C++ has better memory management with features like constructors and destructors.
C++ supports function overloading and operator overloading which makes code more readable.
C++ has a rich library of built-in functions and data types.
C++ supports exception handling which makes...
- Q4. Questions about project mentioned.
Interview Preparation Tips
Be confident through your interview.
Learn the basics of your stream.
Don't be too friendly with the interviewer, maintain the discipline.
Learn in depth about the projects mentioned and about their advantages.
Skills evaluated in this interview
Interview Questionnaire
1 Question
- Q1. About company
Interview Questionnaire
1 Question
- Q1. TELL ME ABOUT UR SELF
Interview Preparation Tips
Interview Questionnaire
1 Question
- Q1. How maintain your role?
Interview Preparation Tips
I applied via Referral and was interviewed before Jun 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Technical questions.
Interview Preparation Tips
If you are lucky you will get project with new technologies and you can learn.
I applied via Campus Placement and was interviewed in May 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. What you see yourself after 10 years from now?
Interview Preparation Tips
Interview Questionnaire
1 Question
- Q1. Difference between String and StringBuffer?
- Ans.
String is immutable, StringBuffer is mutable.
String is a sequence of characters that cannot be changed once created.
StringBuffer is a mutable sequence of characters that can be modified.
StringBuffer is more efficient when concatenating multiple strings.
StringBuffer is synchronized, while String is not.
Skills evaluated in this interview
Interview Questionnaire
1 Question
- Q1. Questions about Collection Framework, projects and All
Interview Preparation Tips
Cognizant Interview FAQs
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Cognizant Performance Engineer Reviews and Ratings
based on 8 reviews
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