Cognizant Program Analyst Trainee Interview Questions, Process, and Tips

60min of test which include all concepts of mathematical,and codind questiond

Q1. Difference between string buffer and builder
Ans. 
String buffer is synchronized and thread-safe, while string builder is not synchronized and faster.
• String buffer is synchronized, making it thread-safe for use in multi-threaded environments.

• String builder is not synchronized, resulting in faster performance but not thread-safe.

• String builder is preferred for single-threaded operations, while string buffer is preferred for multi-threaded operations.
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Q2. How to compare strings
Ans. 
Strings can be compared using built-in functions like strcmp in C or equals() in Java.
• Use strcmp function in C to compare two strings

• In Java, use equals() method to compare two strings

• Consider case sensitivity when comparing strings

• Use built-in functions to handle special characters and whitespace
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Basic Apptitude questions from HCM,LCM,Numbers,grammar questions

Q1. Self intro,questions from your resume
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Q2. Basic coding questions in the language you mentioned in the resume
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Q3. Prepare well.you can definitely crack this
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Q1. Document verification and general questions
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Questions on probability , verbal aptitude

Q1. Oops concepts , sql ,
Ans. 4 oops concepts , sql rdms
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Q2. Cloud services , some coding questions
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It was conducted on Superset platform. There were quants, verbal and reasoning questions.

Q1. In aptitude questions from ratio and proportion and percentage came in majority
Ans. 
Majority of aptitude questions in ratio, proportion and percentage. How do you approach these topics?
• Understand the basic concepts of ratio, proportion and percentage

• Practice solving problems using different methods

• Use real-life examples to understand the application of these concepts
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Round duration - 30 minutes

Q1. Tell me about yourself ?
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Q2. Why do you want to join IT field being a mechanical branch student?
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Q3. What are the programming languages you know ?
Ans. 
I know several programming languages including Java, Python, and C++.
• Proficient in Java, Python, and C++

• Familiar with HTML, CSS, and JavaScript

• Experience with SQL and database management

• Knowledge of object-oriented programming principles

• Comfortable with version control systems like Git
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Q4. Write a program to check for palindrome.
Ans. 
Program to check if a given string is a palindrome or not.
• Remove all non-alphanumeric characters from the string

• Convert the string to lowercase

• Reverse the string and compare with the original string

• If both are equal, then the string is a palindrome
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Q5. Write a SQL query for finding 3rd maximum salary?
Ans. 
SQL query to find 3rd maximum salary.
• Use the ORDER BY clause to sort the salaries in descending order.

• Use the LIMIT clause to limit the result to the third row.

• Use a subquery to exclude the top two salaries and select the third highest salary.
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Q6. Interviewer gave me 3 aptitude questions to solve
Ans. 
Answering 3 aptitude questions given by the interviewer
• Read each question carefully before attempting to solve

• Use logic and reasoning to arrive at the correct answer

• Check your work and double-check your calculations

• Don't spend too much time on any one question

• If you're unsure, make an educated guess
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Q7. Why cognizant?
Ans. 
Cognizant is a leading global IT services company with a strong focus on innovation and client satisfaction.
• Cognizant has a strong reputation for delivering high-quality IT services to clients across various industries.

• The company has a culture of innovation and encourages employees to think outside the box.

• Cognizant offers excellent career growth opportunities and invests in employee training and development.

• The compa...read more
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They asked about the internship, and for document verification.

Q1. Tell me about yourself?
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Q2. If you get selected, will you join for an internship?
Ans. 
Yes, I am willing to join for an internship if selected.
• I believe that an internship will provide me with valuable experience and help me grow in my career.

• I am open to learning new skills and taking on new challenges.

• I am excited about the opportunity to work with experienced professionals and contribute to the team.

• For example, during my previous internship, I was able to apply the knowledge I gained in my coursework...read more
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Q1. Oops concepts, ur department basic qns if u r from non IT, basic programming qns ike palindrome, reverse string etc...
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