Tata nexarc Cluster Manager Interview Questions and Answers

Q1. Can you provide information about yourself and your skills?
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Q1. What is eCommerce and Magento
Ans. 
eCommerce is the buying and selling of goods and services online. Magento is an open-source eCommerce platform.
• eCommerce allows businesses to reach a wider audience and sell products online

• Magento is a popular eCommerce platform used by businesses of all sizes

• Magento offers a range of features including customizable themes, payment and shipping options, and inventory management

• Magento is open-source, meaning it is free...read more
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Q2. Do you know about eCommerce platforms
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Yes, eCommerce platforms are online platforms that facilitate buying and selling of goods and services.
• eCommerce platforms are used by businesses to sell their products or services online

• They provide features like product listings, shopping carts, payment gateways, and order management

• Examples of eCommerce platforms include Shopify, WooCommerce, Magento, and BigCommerce
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Q3. B2B vs B2C what are the differences.
Ans. 
B2B focuses on selling products/services to other businesses while B2C focuses on selling to individual consumers.
• B2B sales involve longer sales cycles and higher transaction values.

• B2C sales involve shorter sales cycles and lower transaction values.

• B2B sales require building relationships with decision-makers in other businesses.

• B2C sales require understanding consumer behavior and preferences.

• B2B sales often involve ...read more
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Q4. What is API and types of API
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API stands for Application Programming Interface. It is a set of protocols and tools for building software applications.
• API allows different software applications to communicate with each other

• Types of API include: REST, SOAP, XML-RPC, JSON-RPC, and GraphQL

• REST API is the most commonly used type of API

• SOAP API uses XML for data exchange

• GraphQL API allows clients to specify the structure of the data they require
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Q1. Salary expectations and education
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Q1. Spring Initializer
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Q2. I you do not use Spring Initializer is it possible to create a Spring boot application?
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Q1. What is runtime polymorphism, and can you provide a code example to illustrate it?
Ans. 
Runtime polymorphism allows a subclass to provide a specific implementation of a method that is already provided by its parent class.
• Runtime polymorphism is achieved through method overriding, where a subclass provides its own implementation of a method that is already defined in its superclass.

• The method to be overridden must have the same name, return type, and parameters in both the superclass and subclass.

• When an o...read more
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Q2. Streams in java
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Streams in Java provide a way to process collections of objects in a functional style.
• Streams are sequences of elements that support various operations like filter, map, reduce, etc.

• They can be created from collections, arrays, or generate elements dynamically.

• Streams can be sequential or parallel, allowing for efficient processing of large datasets.

• Example: List<String> names = Arrays.asList("Alice", "Bob", "Cha...read more
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Q3. How do we create threads in Java, and how do we invoke them?
Ans. 
Threads in Java are created by extending the Thread class or implementing the Runnable interface, and invoked using the start() method.
• Threads can be created by extending the Thread class and overriding the run() method.

• Threads can also be created by implementing the Runnable interface and passing an instance of the class to a Thread object.

• Threads are invoked by calling the start() method on the Thread object.
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Q4. What is a Rest Template and how is it used?
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Rest Template is a class in Spring that simplifies making HTTP requests and handling responses.
• Rest Template is part of the Spring framework in Java.

• It can be used to make HTTP requests to RESTful web services.

• It simplifies the process of making HTTP calls and handling responses.

• Rest Template can handle GET, POST, PUT, DELETE, etc. requests.

• Example: RestTemplate restTemplate = new RestTemplate();
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Core java, multi-threading, Strings, Exception

Q1. Core java, jdbc, SQL, Collection
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Q1. Core Java, advance java, Multi threading, Exception, Collection, Sql
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Q1. Introduction, About Company, Previous Experience
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