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Cognizione Consulting & Solutions Software Developer Intern Interview Questions and Answers

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I applied via Company Website and was interviewed before Feb 2020. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. They asked about dbms questions in the form of table formate
  • Q2. They asked code for some python program

Interview Preparation Tips

Interview preparation tips for other job seekers - Firstly they conducted computer based technical exam and then after qualifying that then we will go for face face interview and then lastly HR round will be held.

I applied via Job Portal and was interviewed before Dec 2019. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. First they ask basic questions like HTML SQL Java.

Interview Preparation Tips

Interview preparation tips for other job seekers - First we learn basics programming knowledge and we confident to attend interview and speak bold.

I applied via Naukri.com and was interviewed in Aug 2018. There was 0 interview round.

Interview Preparation Tips

General Tips: All Java basic questions will be asked including servlets and jsp even about application and web servers. To clear,1st round you should have strong core Java knowledge along with few real time examples. Collections are mandatory.
Database knowledge could be expected. RestFul and soap along with spring and spring boot, your project details and your responsibilities.
Skills: SOAP, RestFul, Spring, Springboot, Java Application Development, Java Programming, Javascript, Communication, Body Language, Problem Solving, Analytical Skills, Decision Making Skills
Duration: 1-4 weeks

I applied via Applied in more than one job portal can't remember now. and was interviewed before Jan 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. About struts framework.

Interview Preparation Tips

Interview preparation tips for other job seekers - I had three rounds of telephonic, technical, HR, interviews, I can say this confidence is important in all aspects.

I applied via Naukri.com and was interviewed in Mar 2018. There were 5 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. Core Java, spring, hibernate,web services
  • Q2. 01:00 hour technical round
  • Q3. They will not gives the expected packages. for 3+ years experienced people they will give 3.5 lpa.

Interview Preparation Tips

Round: Test
Experience: Java related 20 questions only.

General Tips: Company is very good but if you are expecting more packages then dont go for Infosys.
Duration: 1-3 Months

I applied via Naukri.com and was interviewed before Apr 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Technical questions

Interview Preparation Tips

Interview preparation tips for other job seekers - I have visited interview location on morning 7am DLF block Hyderabad. Buy my interview was taken in evening 6:45pm. That was not an interview test it was a patience test.

Interview Questionnaire 

3 Questions

  • Q1. Tell me something about yourself
  • Ans. 

    I am a passionate software developer with 5 years of experience in developing web applications using various technologies.

    • 5 years of experience in software development

    • Proficient in developing web applications

    • Skilled in using various technologies

    • Passionate about coding and problem-solving

  • Answered by AI
  • Q2. What is the difference between encapsulation and polymorphism?
  • Q3. What do you mean by deadlock in OS?
  • Ans. 

    Deadlock is a situation in which two or more processes are unable to proceed because each is waiting for the other to release a resource.

    • Deadlock occurs when two or more processes are stuck in a circular waiting state.

    • It happens when processes compete for resources and each process holds a resource that another process needs.

    • Four necessary conditions for deadlock are mutual exclusion, hold and wait, no preemption, and ...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: We were asked to solve a questionnaire containing 25 questions based on logical reasoning and basic mathematics. We went to the test center in their recruitment center where there were many desktops for the candidates to sit and give the test. At the entrance, they checked the letter we got from them to authenticate us.Then they gave us a login ID and password. Exactly when the test started, the portal became active and we were asked to enter the credentials. I completed the test in half the time as it was pretty easy and straightforward.
Tips: Practice simple aptitude questions for greater speed and accuracy.
Duration: 1 hour
Total Questions: 20

Round: Group Discussion
Experience: Ten candidates who were shortlisted from the written test attended the group discussion. The topic given to us was fairly simple and lucky for me, I used to work as an anchor, and being a strong feminist person, I had a lot of valid points to put forward. I was the one to start the discussion, and I felt I was the best speaker there. The topic was something that I follow regularly, yet I came across a few unique points from the other candidates.
Tips: Improve your English speaking skills. Be assertive and speak concisely.
Duration: 15 minutes

Round: HR Interview
Experience: The interview basically revolved around this one question which had a few follow-up questions, such as who all are there in my family, what are my strengths and weaknesses, and why am I fit for this job.
Tips: Be confident and honest about yourself.

Round: Technical Interview
Experience: I tried to be as calm and confident as possible during the whole of the interview

College Name: Guru Nanak Institute of Technology (GNIT)

Skills evaluated in this interview

Interview Questionnaire 

11 Questions

  • Q1. Print all nodes at a distance k from a given node in binary tree?
  • Q2. RandN function : which generates random number in [1,2,3..N] with equal probability. Given rand5, write a code for rand7 using rand5
  • Ans. 

    Code for rand7 using rand5 function

    • Use rand5 twice to generate a number in [1,25] with equal probability

    • If the number is greater than 21, discard and try again

    • Otherwise, return (number mod 7) + 1

  • Answered by AI
  • Q3. Puzzle: Using all(8,8,3,3) and only operators(*,/,-,+), make 24
  • Q4. How do you implement LRU cache?
  • Q5. Your current project in Company? A lot of questions from CV? Discussion went on for about 15 minutes?
  • Q6. Then had a lot of questions around java script and java. About different design patterns and web services
  • Q7. A lot of questions around java, collections frameworks, multi threading and so on. (This took a good 25-30 minutes )
  • Q8. A strategy question. It would be asked depending on which team you are being interviewed for.Mine was some apple seller problem. Here knowledge of real world scenario helps. Advice is to observe things aro...
  • Q9. Write down function to select pivot element randomly in Quick Sort
  • Ans. 

    Function to randomly select pivot element in Quick Sort

    • Generate a random index within the range of the array

    • Return the element at the randomly generated index as the pivot

  • Answered by AI
  • Q10. He asked me what is a data structure and why do we use one. Explained him. He asked some real life example of stack and queue. All I could gave him was programming examples but when he insisted on real li...
  • Q11. As we were talking very much on each question. He felt like talking more and from tech he went around for some biggest learning from a mistake/biggest achievement of life kind of questions. There were oth...

Interview Preparation Tips

General Tips: I recently interviewed with Goldman Sachs, and had 4 rounds of interview with them at their campus in Bangalore.
Skills: Algorithm, Data structure
College Name: na

Skills evaluated in this interview

I appeared for an interview before Mar 2021.

Round 1 - Face to Face 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Technical round with questions on DSA and OS.

  • Q1. 

    LRU Cache Design Problem Statement

    Design and implement a data structure for a Least Recently Used (LRU) cache that supports the following operations:

    • get(key) - Retrieve the value associated with the...
  • Ans. 

    Design and implement a Least Recently Used (LRU) cache data structure that supports get and put operations with a specified capacity.

    • Implement a doubly linked list to keep track of the order of keys based on their usage.

    • Use a hashmap to store key-value pairs for quick access and updates.

    • When a key is accessed or updated, move it to the front of the linked list to mark it as the most recently used.

    • When the cache reaches...

  • Answered by AI
  • Q2. 

    Maximum of All Subarrays of Size K

    Given an array of non-negative integers and an integer K representing the length of a subarray, your task is to determine the maximum elements for each subarray of size ...

  • Ans. 

    Find the maximum elements for each subarray of size K in a given array.

    • Iterate through the array and maintain a deque to store the indices of elements in decreasing order.

    • Pop elements from the deque that are out of the current window.

    • Keep track of the maximum element in each subarray of size K.

    • Return the maximum elements for each subarray.

  • Answered by AI
  • Q3. What is virtual memory?
  • Ans. 

    Virtual memory is a memory management technique that allows a computer to compensate for physical memory shortages by temporarily transferring data from RAM to disk storage.

    • Virtual memory allows programs to use more memory than is physically available on the system.

    • It helps in multitasking by allowing multiple programs to run simultaneously without running out of memory.

    • Virtual memory uses a combination of RAM and disk...

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAGoldman Sachs interview preparation:Topics to prepare for the interview - Coding Skills, Operating Systems , Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 5 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewRejected

Skills evaluated in this interview

I appeared for an interview before Nov 2020.

Round 1 - Coding Test 

(2 Questions)

Round duration - 90 minutes
Round difficulty - Medium

Timing was around 10am
It was quite a normal online examination kind of environment 
People from the company were there to invigilate 
All were quite nice and helpful in case the exam got stuck

  • Q1. 

    Ninja and Alien Language Order Problem

    An alien dropped its dictionary while visiting Earth. The Ninja wants to determine the order of characters used in the alien language, based on the given list of wor...

  • Ans. 

    Determine the order of characters in an alien language based on a list of words.

    • Create a graph data structure to represent the relationships between characters in the words.

    • Perform a topological sort on the graph to find the order of characters.

    • Return the smallest lexicographical order of characters as the result.

  • Answered by AI
  • Q2. 

    Check Duplicate Within K Distance

    Given an array of integers arr of size N and an integer K, determine if there are any duplicate elements within a distance of K from each other in the array. Return "true...

  • Ans. 

    Check if there are any duplicate elements within a distance of K from each other in the array.

    • Iterate through the array and keep track of the indices of elements using a hashmap.

    • For each element, check if it already exists in the hashmap within distance K.

    • Return true if a duplicate is found within distance K, otherwise return false.

  • Answered by AI
Round 2 - Face to Face 

(1 Question)

Round duration - 30 minutes
Round difficulty - Medium

Timing was 2pm when it started
Interviewer was polite

  • Q1. 

    Kth Largest Element Problem Statement

    Ninja enjoys working with numbers, and Alice challenges him to find the Kth largest value from a given list of numbers.

    Input:

    The first line contains an integer 'T...
  • Ans. 

    The task is to find the Kth largest element in a given list of numbers for each test case.

    • Read the number of test cases 'T'

    • For each test case, read the number of elements 'N' and the Kth largest number to find 'K'

    • Sort the array in descending order and output the Kth element

  • Answered by AI
Round 3 - HR 

Round duration - 20 minutes
Round difficulty - Easy

Timing was 9 am onwards 
Interviewer was good enough

Interview Preparation Tips

Professional and academic backgroundI applied for the job as Software Developer in DelhiEligibility criteriaAbove 7 CGPA with no pending backlogsWipro Limited interview preparation:Topics to prepare for the interview - Java, C++, DBMS, Data Structures, Dot net, HTML, CSS, JSTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

Tip 1 : Focus on specialization of any one skill and keep a basic knowledge of all the skills you mention in your resume
Tip 2 : Gain confidence in presenting yourself by practicing well before
Tip 3 : Gain a basic knowledge of the company you go for selection

Application resume tips for other job seekers

Tip 1 : Resume should be simple and precise but pretty smart to cover your skills 
Tip 2 : Mention what you really know,no false things

Final outcome of the interviewRejected

Skills evaluated in this interview

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