Cognizant Platform Specialist Interview Questions and Answers

Q1. Java 8 features related question.
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Q2. Concurrent hash map working.
Ans. 
Concurrent hash map allows multiple threads to access and modify a hash map concurrently.
• ConcurrentHashMap class in Java provides a thread-safe implementation of a hash map.

• It uses internal synchronization mechanisms like locks and volatile variables to ensure thread safety.

• Concurrent hash maps are useful in scenarios where multiple threads need to read and write to a shared hash map.

• Example: ConcurrentHashMap
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Q1. Tell us about your experience
Ans. 
I have 5 years of experience in designing, implementing, and maintaining scalable platforms for various organizations.
• Designed and implemented CI/CD pipelines using tools like Jenkins and GitLab

• Managed containerized applications using Docker and Kubernetes

• Automated infrastructure provisioning with Terraform and Ansible

• Worked on monitoring and logging solutions like Prometheus and ELK stack
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Q2. What is your Motivation
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My motivation stems from a passion for problem-solving, a drive for continuous learning, and a desire to make a positive impact through technology.
• Passion for problem-solving drives me to tackle complex challenges

• Desire for continuous learning motivates me to stay updated with the latest technologies and trends

• Making a positive impact through technology by improving processes and creating innovative solutions
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It was meeting with two managers

Wfh is good or not - explain you r point of view.

Q1. About SAP PO and In depth of CPI
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Q1. Deep on CPI and Cloud integration.
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Hacker rank test for c sharp ,angular with few subjective sql server,jquery ,asp.net,api .

Q1. Starting with self introduction move to last company project ,role and responsibility.then move to technical discussions from c sharp ,mvc ,angular ,api ,test cases etc.
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Q1. Salary discussion and availability to join asap and documentation details.
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Q1. Different types of indexes and its purpose
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Q2. Joins in SQL
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Q1. Java 8 stream questions
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