Enterprise Logic Interview Questions and Answers

Print a specific pattern using any programming language.

Q1. What is a class in Object-Oriented Programming (OOP)?
Ans. 
A class in OOP is a blueprint for creating objects, defining their properties and behaviors.
• Classes are templates for creating objects in OOP

• They define the properties (attributes) and behaviors (methods) of objects

• Objects are instances of classes, each with its own unique data

• Inheritance allows classes to inherit properties and behaviors from other classes

• Encapsulation ensures that the data is hidden and can only be a...read more
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Q2. What is the difference between an abstract class and an interface?
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Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
• Abstract class can have constructors, fields, and methods, while interface cannot have any implementation.

• A class can only extend one abstract class, but can implement multiple interfaces.

• Abstract classes are used to define common characteristics of subclasses, while interfaces are used to define contracts for...read more
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Q3. What is joining and creating an inner join query?
Ans. 
Joining is combining data from two or more tables based on a related column, while an inner join query retrieves only the matching records.
• Joining is used to combine data from multiple tables in a database.

• Inner join query retrieves only the records that have matching values in both tables.

• Syntax for inner join: SELECT columns FROM table1 INNER JOIN table2 ON table1.column = table2.column;

• Example: SELECT orders.order_i...read more
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Q1. What is runtime polymorphism, and can you provide a code example to illustrate it?
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Q2. Streams in java
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Q3. How do we create threads in Java, and how do we invoke them?
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Q4. What is a Rest Template and how is it used?
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Q1. What is CICD ?
Ans. 
CICD stands for Continuous Integration and Continuous Deployment. It is a software development practice where code changes are automatically built, tested, and deployed.
• Automates the process of integrating code changes into a shared repository

• Automatically builds and tests the code to ensure it is functional

• Automatically deploys the code to production or staging environments

• Helps in detecting and fixing integration err
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Q2. How to create image out of running container ?
Ans. 
To create an image out of a running container, you can use the 'docker commit' command.
• Use 'docker commit' command to create an image from a running container

• Syntax: docker commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]

• Example: docker commit container_id repository_name:tag
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Q3. What is the difference between docker add and copy command?
Ans. 
Docker add command can fetch a file from a URL and add it to the image, while copy command copies files from the host machine to the image.
• Docker add command can fetch files from URLs and add them to the image

• Copy command copies files from the host machine to the image

• Add command can also automatically extract compressed files during the build process

• Copy command is more commonly used for copying local files
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Q4. What is freestyle project and pipeline ?
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A freestyle project is a type of project in Jenkins that allows users to configure the build process in any way they want. A pipeline is a set of automated steps that define the process for building, testing, and deploying code.
• Freestyle project in Jenkins allows users to configure build process manually

• Pipeline in Jenkins is a set of automated steps for building, testing, and deploying code

• Freestyle projects are more ...read more
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Q5. What is the difference between docker swarm and docker compose ?
Ans. 
Docker Swarm is used for orchestrating multiple Docker containers across multiple hosts, while Docker Compose is used for defining and running multi-container Docker applications.
• Docker Swarm is a container orchestration tool that allows you to manage a cluster of Docker hosts.

• Docker Compose is a tool for defining and running multi-container Docker applications.

• Docker Swarm is used for scaling and managing a cluster of...read more
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Q1. What is the project you worked can you plz explain?
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Q2. What is VPC ?
Ans. 
VPC stands for Virtual Private Cloud, a virtual network dedicated to a single organization's resources in the cloud.
• Allows organizations to have control over their virtual network environment

• Enables customization of network configuration

• Provides security by allowing isolation of resources

• Can connect to on-premises data centers or other VPCs using VPN or Direct Connect
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Q3. What is CICD pipeline and its stages ?
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CICD pipeline is a process that automates the building, testing, and deployment of software.
• Continuous Integration (CI) - code changes are integrated into a shared repository multiple times a day.

• Continuous Testing - automated tests are run to ensure code quality.

• Continuous Deployment - code changes are automatically deployed to production.

• Stages include: build, test, deploy, and monitor.

• Tools like Jenkins, GitLab, and
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Q4. VPC peering concept ?
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VPC peering allows connecting two VPCs to communicate using private IP addresses.
• VPC peering enables instances in different VPCs to communicate as if they are within the same network.

• Traffic between peered VPCs stays within the private IP space and does not traverse the internet.

• VPC peering does not involve a gateway, VPN, or direct connection.

• Both VPCs must have non-overlapping IP ranges for successful peering.

• Example...read more
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Q5. Whole concept of VPC , subnet and route table and NAT gateway ?
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VPC is a virtual private cloud that allows you to create isolated networks within the cloud environment. Subnets are subdivisions of a VPC, route tables define how traffic is directed within the VPC, and NAT gateway allows instances in a private subnet to access the internet.
• VPC is a virtual private cloud that provides a logically isolated section of the AWS Cloud where you can launch resources.

• Subnets are subdivisions...read more
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Q1. Basics Quesestions?
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Q1. Related to inside sales and linkedin sales navigator
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Q2. Regarding how you send cold emails how you structured your email and validation of emails
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Q1. Same as above but little more deep question related to outbound sales like how you approach relevant prospects how you maintain your database
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Gamification round Game gamification

Data analytics related topic

Q1. Data data data related
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Q1. Case study related questions
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Q1. Hr related questions culture fit questions
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Q1. Supply chain related questions
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Q1. 1st Technical round : Difference between Epic and User story.
Ans. 
An Epic is a large body of work that can be broken down into smaller tasks called User Stories.
• Epic is a high-level requirement that is too large to be completed in a single iteration.

• User Story is a small, specific piece of work that can be completed in a single iteration.

• Epics are usually broken down into multiple User Stories for implementation.

• User Stories are more detailed and focused compared to Epics.

• Example: Ep...read more
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Q2. Test cases of Data grid.
Ans. 
Test cases for data grid involve verifying data display, sorting, filtering, pagination, editing, and deleting functionalities.
• Verify data is displayed correctly in the grid

• Test sorting functionality by sorting columns in ascending and descending order

• Test filtering functionality by applying filters and checking if data is displayed correctly

• Test pagination by navigating through multiple pages of data

• Test editing funct...read more
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Q3. How to test a website on different devices?
Ans. 
To test a website on different devices, use responsive design testing tools, emulators, physical devices, and browser developer tools.
• Use responsive design testing tools like BrowserStack or Responsinator to simulate different screen sizes.

• Utilize emulators like Android Studio's emulator or Xcode's simulator to test on various mobile devices.

• Test on physical devices to ensure accurate performance and user experience.

• Us...read more
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Q4. Have you ever meet your client.
Ans. 
Yes, I have met with clients in previous roles to discuss project requirements and gather feedback.
• I have met with clients to understand their requirements and expectations for the project.

• I have conducted meetings to gather feedback on the testing process and results.

• Building a good relationship with clients is important for successful project delivery.
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Write testcases for a profile page that has option to change: name, email, phone number, address etc.

Q1. Severity, priority, scenario based questions.
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Q1. CEO round : general problem solving questions.
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Coding test was really good it was easier to tackle the problem and writting code for it.

Q1. Can you tell me about yourself?
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Q2. What is the major project you have worked on, and can you provide an explanation of it?
Ans. 
Developed a web-based project management tool for tracking tasks and deadlines.
• Used React.js for front-end development

• Implemented RESTful APIs using Node.js and Express

• Utilized MongoDB for database storage

• Incorporated authentication and authorization features for user security
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Q1. SQL ques and concept
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Q1. What can you tell me about SCCM technology?
Ans. 
SCCM (System Center Configuration Manager) is a software management suite developed by Microsoft for managing large groups of computers running Windows OS.
• SCCM allows for remote control, patch management, software distribution, operating system deployment, network access protection, and hardware and software inventory.

• It helps organizations to manage their IT infrastructure more efficiently and securely.

• SCCM integrates...read more
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Q2. What is Active Directory and how does it function?
Ans. 
Active Directory is a directory service developed by Microsoft for Windows domain networks.
• Centralized database for managing network resources

• Stores information about users, computers, groups, and more

• Allows for authentication and authorization of users and computers

• Enables administrators to manage and secure network resources

• Supports features like Group Policy, LDAP, and Kerberos authentication
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Q1. Communication skills
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Q2. Personal information about studies and family
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