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Cognizant Service Engineer Interview Questions and Answers

Updated 8 Dec 2024

Cognizant Service Engineer Interview Experiences

1 interview found

Interview experience
4
Good
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Not Selected

I applied via Referral and was interviewed in Jun 2024. There were 3 interview rounds.

Round 1 - Aptitude Test 

20 ques in 20 mins easy aptitude

Round 2 - Coding Test 

2 coding ques easy level

Round 3 - One-on-one 

(2 Questions)

  • Q1. Behavioural questions
  • Q2. STAR method questions

Interview questions from similar companies

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.

Interview Preparation Tips

Interview preparation tips for other job seekers - Pls don't join in TechMahindra.Especially for AEM Folks.Because there are no projects at all.They force you to learn and work in other domain.Then your AEM knowledge will vanish.Worst Company.

I applied via Walk-in and was interviewed before Mar 2021. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. How good your in technical
  • Ans. 

    I am highly skilled in technical aspects and have extensive experience in troubleshooting and problem-solving.

    • I have a degree in Electrical Engineering and have worked as a Service Engineer for 5 years.

    • I have experience in diagnosing and repairing complex machinery and equipment.

    • I am proficient in programming languages such as C++, Java, and Python.

    • I have excellent communication skills and can explain technical issues ...

  • Answered by AI
  • Q2. Good in technical and experience in serice and networking issues
Round 2 - One-on-one 

(2 Questions)

  • Q1. How soon you can join
  • Q2. Salary expectations and location confortable

Interview Preparation Tips

Interview preparation tips for other job seekers - Experience was good but basic preparation is must before get into interview penal

I was interviewed before Mar 2021.

Round 1 - HR 

(2 Questions)

  • Q1. Why are you looking for a change?
  • Q2. Tell me about yourself.

Interview Preparation Tips

Interview preparation tips for other job seekers - nice company , work culture ,fairly compansated

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

  • Answered by AI

Skills evaluated in this interview

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

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident

Senior Engineer Interview Questions & Answers

HCLTech user image raja reddy duggi reddy

posted on 27 Apr 2021

Interview Questionnaire 

2 Questions

  • Q1. Engineering Technical
  • Q2. Mainly on Engineering Design

Interview Questionnaire 

6 Questions

  • Q1. Explain abstract factory design pattern ?
  • Ans. 

    Abstract Factory is a creational design pattern that provides an interface for creating families of related objects.

    • Abstract Factory is used when we need to create families of related objects without specifying their concrete classes.

    • It provides an interface for creating objects of related classes without specifying their concrete classes.

    • It encapsulates a group of factories that have a common theme.

    • It promotes loose c...

  • Answered by AI
  • Q2. How do you do range based map iteration
  • Ans. 

    Range based map iteration can be done using a for-each loop or iterators.

    • Use a for-each loop to iterate over the map elements.

    • Alternatively, use iterators to traverse the map.

    • The range-based for loop is preferred for its simplicity and readability.

    • Example: for(auto const& [key, value] : myMap) { //do something with key and value }

  • Answered by AI
  • Q3. What are detached and joined threads
  • Ans. 

    Detached threads are independent threads that run separately from the main thread. Joined threads are threads that wait for the main thread to finish.

    • Detached threads are created using pthread_detach() function

    • Joined threads are created using pthread_join() function

    • Detached threads do not need to be explicitly terminated

    • Joined threads must be explicitly terminated using pthread_exit() or return statement

    • Detached thread...

  • Answered by AI
  • Q4. What are static code analysis tools
  • Ans. 

    Static code analysis tools are software programs that analyze source code to find potential issues and improve code quality.

    • Static code analysis tools scan code without executing it

    • They can detect issues such as security vulnerabilities, coding errors, and performance problems

    • Examples of static code analysis tools include SonarQube, ESLint, and Checkstyle

  • Answered by AI
  • Q5. Command to list currently running threads in linux
  • Ans. 

    Command to list currently running threads in linux

    • Use the 'ps' command with the 'H' option to display threads in a hierarchy

    • Use the 'top' command to display threads in real-time

    • Use the 'htop' command for an interactive display of threads

  • Answered by AI
  • Q6. Can we perform arithmetic operation on Unique pointer
  • Ans. 

    No, arithmetic operations cannot be performed on unique pointers.

    • Unique pointers are used to manage the lifetime of dynamically allocated objects.

    • They cannot be copied or assigned, only moved.

    • Arithmetic operations are not defined for pointers, including unique pointers.

  • Answered by AI

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. Design facebook
  • Ans. 

    Designing Facebook is a complex task involving various components and technologies.

    • Identify the core features of Facebook such as user profiles, news feed, messaging, and groups.

    • Choose appropriate technologies for each component such as PHP for backend, React for frontend, and MySQL for database.

    • Ensure scalability and performance by implementing caching, load balancing, and database sharding.

    • Implement security measures...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Database, logical reasoning

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Nov 2020. There were 5 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Questions based on the CV we kept
  • Q2. Questions related to powershell, storages, networking in azure IaaS, NSG

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare whatever u kept in CV and the basics
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Cognizant Interview FAQs

How many rounds are there in Cognizant Service Engineer interview?
Cognizant interview process usually has 3 rounds. The most common rounds in the Cognizant interview process are Aptitude Test, Coding Test and One-on-one Round.
What are the top questions asked in Cognizant Service Engineer interview?

Some of the top questions asked at the Cognizant Service Engineer interview -

  1. Behavioural questi...read more
  2. STAR method questi...read more

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Cognizant Service Engineer Interview Process

based on 1 interview

Interview experience

4
  
Good
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Cognizant Service Engineer Salary
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₹2.1 L/yr - ₹9 L/yr
60% more than the average Service Engineer Salary in India
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