NTT Data Senior Technical Lead Interview Questions and Answers

Q1. Tell me about Spring Boot Annotation? And, also tell me other annotation which you used in yuor project.
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Q2. What is containerization (Docker)? what are steps to create container, till it gets deploy on server.
Ans. 
Containerization is a lightweight, portable, and self-sufficient way to package applications and their dependencies.
• Create a Dockerfile with instructions on how to build the container

• Build the Docker image using the Dockerfile

• Run the Docker image to create a container

• Deploy the container on a server using Docker Engine
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Q3. What is Elastic Kubernetes Service?
Ans. 
Elastic Kubernetes Service (EKS) is a managed Kubernetes service provided by AWS.
• Fully managed Kubernetes service

• Automatically scales based on workload

• Integrates with other AWS services like EC2, S3, and IAM
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Q4. You had mentioned Message Queue, can you explain why MQ is used? And, how you implemented in your application?
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Q5. What is cloud watch? and how it works.
Ans. 
CloudWatch is a monitoring and management service provided by AWS to monitor resources and applications in the cloud.
• CloudWatch collects and tracks metrics, logs, and events from various AWS services and resources.

• It provides real-time monitoring, alerting, and dashboards to help users visualize and understand their cloud environment.

• Users can set up alarms to notify them of changes in their environment or resource usa...read more
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Q6. Features added in Java 11 from Java 8?
Ans. 
Java 11 introduced several new features and enhancements compared to Java 8.
• Local-Variable Syntax for Lambda Parameters

• HTTP Client API (standardized in java.net.http package)

• Nest-Based Access Control

• Dynamic Class-File Constants

• Epsilon: A No-Op Garbage Collector

• Flight Recorder

• ZGC: A Scalable Low-Latency Garbage Collector
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Basic question on general aptitude like percentage, train and speed, dates, reasoning

Leetcode medium problem on string and easy problem on array sorting

Q1. Behavioral question like why you want to changes etc etc
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Q1. Related to profiles
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Q2. Related to job profile
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Q1. Salary and type of job
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Q1. Related your past experience
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Q1. Normal informatica question and how to manage teams
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Q2. Normal informatica question with SQL . and few team management questions
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Q1. Routing & Switching,Project Management,Team handling, Earlier project handle ,client coordination
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Q1. BGP ,OSPF ,Multicast ,process , change management
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Q1. Behavioral,Salary negotiation, working time ,project
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Q1. Sorting array based on streams in java8, concurrent api changes in java8, optional class, functional interface. Lamba. Comparable vs comparator
Ans. 
Answering questions on Java 8 features such as streams, concurrent API, optional class, functional interface, lambda, and comparable vs comparator.
• Java 8 streams can be used to sort arrays based on specific criteria

• Concurrent API in Java 8 allows for parallel processing of data

• Optional class is used to handle null values in a more efficient way

• Functional interfaces are interfaces with only one abstract method, used for...read more
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Q1. Scenarios based solutions to problems and java8, exception, immutable class and spring boot annotations
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Q1. About atos. Why atos and previous projects i worked on.
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Q1. Tell me about yourself
Ans. I am ambitious and quick learner
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Q1. Why did you choose Capgemini ?
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