Cognizant Interview Questions, Process, and Tips

Questions related some logical, mathematical, programming, pseudo codes

Q1. Some programming questions
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Q2. Pseudo code, coding questions
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Q1. Some questions related to your self
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Q2. Related to your confidence
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Quant ability like ratios, age related, probability etc. Verbal ability like synonyms, antonyms, reading passages and some puzzles like missng element in the sequence etc

Q1. About our project About our favourite subject and soms questions related to that Why your are choosing it career though your branch is not cse What are the programming languages known What are the differen...read more
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Q1. Tell me about yourself
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Q2. Are you ready to relocate
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Q3. Tell me about your favourite movie and why
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Had 100 aptitude questions including logical reasoning and mathematical problems along with basic English grammar questions and few code snippets.

Q1. It was a technical interview where codes were supposed to be written and debugged in front of interviewer.
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Q2. Technological advancements in distributed file systems.
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Distributed file systems have advanced with features like fault tolerance, scalability, and data consistency.
• Distributed file systems allow for data to be stored across multiple servers and accessed from anywhere.

• Advancements include fault tolerance to ensure data availability even if a server fails.

• Scalability allows for easy expansion as data storage needs grow.

• Data consistency ensures that all nodes in the system ha...read more
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Q1. What hardships do you feel you would face if you start working with us?
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Q1. They usually ask 2,3 aptitude questions and basic programming questions, it depends on the interviewer, some people will not ask anything, some asks too many questions.
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Q1. Tell me about yourself.
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Q2. What are your strengths and weaknesses?
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Q3. Why should we hire you?
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Q4. Where do you see yourself in 5 years?
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It was quantitative and language test.

Q1. Asked about sql queries and final year school project
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English, Quants, logical reasoning

Q1. Pattern, oops concept, basic sql query
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Q2. Second highest salary in database
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Q3. Compile time polymorphism vs runtime polymorphism
Ans. 
Compile time polymorphism is method overloading while runtime polymorphism is method overriding.
• Compile time polymorphism is resolved at compile time while runtime polymorphism is resolved at runtime.

• Method overloading is an example of compile time polymorphism while method overriding is an example of runtime polymorphism.

• Compile time polymorphism is faster than runtime polymorphism as it is resolved at compile time.

• Ru...read more
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Q4. 4 pillars of object oriented programming
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The 4 pillars of OOP are Abstraction, Encapsulation, Inheritance, and Polymorphism.
• Abstraction: Hiding implementation details and showing only necessary information.

• Encapsulation: Binding data and functions together to protect data from outside interference.

• Inheritance: Creating new classes from existing ones, inheriting properties and methods.

• Polymorphism: Using a single interface to represent multiple types of object
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Q5. Why is java platform independent
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Java is platform independent due to its bytecode and JVM.
• Java code is compiled into bytecode which is platform-neutral.

• JVM (Java Virtual Machine) interprets the bytecode and executes it on any platform.

• JVM acts as an abstraction layer between the code and the underlying hardware.

• This allows Java programs to run on any platform that has a JVM installed.

• For example, a Java program written on a Windows machine can run on
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