Cognizant fresher Interview Questions and Answers

It was a very long test. There were many questions covering almost all aptitude concepts. and some were image-based questions.

Q1. Introduce about your self
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Q2. Some questions on projects
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Q3. Some questions on mathematical concepts
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Q4. Networking-based questions like the OSI model's layers, how the message transfers, client-server model, etc.
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Basic grammar and Logical resoning

Q1. About yourself in detail
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Q2. When and by whom cognizant was founded?Services providing by cognizant?
Ans. 
Cognizant was founded in 1994 by Kumar Mahadeva and Francisco D'Souza. It provides a wide range of IT services and solutions.
• Cognizant was founded in 1994 by Kumar Mahadeva and Francisco D'Souza.

• It is a multinational technology company headquartered in the United States.

• Cognizant offers services in areas such as digital transformation, consulting, IT infrastructure, and business process outsourcing.

• They provide solutio...read more
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Aptitude test on Amcat

Q1. Asked basic questions on core java, JDBC, Exception Handling etc.
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Q2. Why String is immutable in java ?
Ans. 
String is immutable in Java to ensure security, thread safety, and optimization.
• Immutable strings prevent accidental modification of data.

• String pooling reduces memory usage by reusing common strings.

• Immutable strings are thread-safe, avoiding synchronization issues.

• String immutability allows for efficient caching and optimization.

• Security is enhanced as immutable strings cannot be modified by malicious code.
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Q3. Some basic question on HTML CSS.
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Aptitude and logical

Q1. Asked related to resume
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Q1. Project related
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