Cognizant Interview Questions, Process, and Tips

The assessment was taken on amcat platform included qualitative, quantitative, English and coding sections.

Q1. OOPs concepts with real life examples.
Ans. 
OOPs concepts are fundamental principles in object-oriented programming that help in organizing and managing code efficiently.
• Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: A car object with properties like color and methods like start() and stop().

• Inheritance: Creating new classes based on existing classes, inheriting their attributes and methods. Example: Animal class w...read more
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Q2. Difference between switch and a router.
Ans. 
Switch operates at data link layer and forwards data based on MAC addresses, while router operates at network layer and forwards data based on IP addresses.
• Switch operates at layer 2 of OSI model, while router operates at layer 3.

• Switch forwards data within the same network, while router forwards data between different networks.

• Switch uses MAC addresses to make forwarding decisions, while router uses IP addresses.

• Switc...read more
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Q3. What is normalisation.
Ans. 
Normalisation is the process of organizing data in a database to reduce redundancy and improve data integrity.
• Organizes data into tables to minimize redundancy

• Ensures data dependencies make sense

• Reduces data anomalies

• Example: Splitting customer information into separate tables for name, address, and contact details
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Q1. What are your strengths and weakness.
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2 coding questions along with aptitude mcqs

Q1. Where do you see yourself in future What other technologies you know
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Q1. 1 Tell me about your self 2 What is c# 3 What is oops concept 4 What is Delegate 5 Difference between polymorphism and what are its type 6 What is out and ref keyword 7 What is call by ref and call by valu...read more
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Interview questions for Programmer Analyst position
• C# is a programming language used for developing Windows applications

• OOPS concepts include inheritance, encapsulation, abstraction, and polymorphism

• Delegate is a type that represents references to methods with a specific parameter list and return type

• Polymorphism is the ability of an object to take on many forms. Types include compile-time and runtime polymorphism

• Out a...read more
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Q1. Question releted to integration, Aura and LWC
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Q1. Introduction, salary expectations
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