Cognizant Senior Associate Interview Questions, Process, and Tips

Js coding question and react coding wuestion first round

Q1. Last React hooks used
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Q1. Interface vs Abstract
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Interface defines a contract for classes to implement, while abstract class can have both abstract and concrete methods.
• Interface can only have abstract methods and constants, while abstract class can have both abstract and concrete methods.

• A class can implement multiple interfaces but can only inherit from one abstract class.

• Interfaces are used to achieve multiple inheritance in Java, while abstract classes are used t...read more
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Q2. Static Construtors
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Q3. Singleton class
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Q4. Access specifiers
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Q5. Sql Transactions
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Q1. Dataflow bottlenecks
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Q2. Bigquery architecture
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Q3. Python coding test
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Q4. Performance tuning techniques
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Performance tuning techniques involve optimizing code, database queries, and server configurations to improve system efficiency.
• Identify and eliminate bottlenecks in the code by profiling and analyzing performance metrics

• Optimize database queries by using indexes, avoiding unnecessary joins, and limiting the amount of data retrieved

• Fine-tune server configurations such as memory allocation, caching mechanisms, and threa...read more
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Q5. Clustering and partitioning
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Q1. Authentication in MVC
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Authentication in MVC is the process of verifying the identity of a user before granting access to resources.
• Authentication in MVC can be implemented using various methods such as Forms Authentication, Windows Authentication, and OAuth.

• Forms Authentication involves users providing their credentials through a login form.

• Windows Authentication uses the Windows operating system to authenticate users based on their Windows...read more
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Q2. Customer Authorised filter
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Q3. Parallel va asymc prog
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