EPAM Systems Interview Questions, Process, and Tips for Experienced

Q1. Technical questions about Terraform, Service Endpoint, Private Endpoint, AKS
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Q2. Write Powershell Script
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Best practices for writing PowerShell scripts
• Use clear and descriptive variable names

• Comment your code to explain complex logic

• Handle errors gracefully with try/catch blocks

• Use functions to modularize your script

• Avoid hardcoding values whenever possible
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Q3. How to create a Private Endpoint for Azure Key Vaults
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To create a Private Endpoint for Azure Key Vaults, you need to configure a private link service.
• Navigate to the Azure portal and search for 'Key Vaults'.

• Select the Key Vault you want to create a Private Endpoint for.

• In the Key Vault settings, go to 'Private endpoint connections' and click on 'Add'.

• Choose the subscription, resource group, and private DNS zone for the Private Endpoint.

• Review and create the Private Endpoi
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Q4. Tell me the Network Configuration of AKS, what options we have during creation and how it is managed.
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AKS allows for network configuration during creation and provides options for managing it.
• During creation of AKS, network configuration options include specifying virtual network, subnet, and network policies.

• Network configuration can be managed through Azure portal, Azure CLI, or ARM templates.

• AKS supports network policies like Azure CNI, Kubenet, and Calico for network security and isolation.

• Network configuration can...read more
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Q5. More detailed questions about AKS
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Q6. Ansible related questions
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Questions on Python: 5 different simple python coding questions

Q1. Docker,Kubernetes,Terraform, Python,Cloud
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Q1. Managerial and technical questions in depth
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Q1. Could you explain the Test Automation framework, particularly focusing on the reporting component as emphasized by the interviewer?
Ans. 
A Test Automation framework integrates tools and processes for efficient testing, with a focus on robust reporting mechanisms.
• Framework Types: Common types include Keyword Driven, Data Driven, and Behavior Driven frameworks.

• Reporting Tools: Tools like Allure, ExtentReports, or custom dashboards can be used for generating reports.

• Test Results: Reports should include pass/fail status, execution time, and error logs for f...read more
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Q2. What are the reasons for the immutability of strings in Java?
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Q3. Difference between Test Plan and Test Strategy ?
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A Test Plan outlines the specifics of testing, while a Test Strategy defines the overall approach and objectives for testing.
• Test Plan is a detailed document that describes the scope, approach, resources, and schedule of intended testing activities.

• Test Strategy is a high-level document that outlines the testing goals, principles, and methods to be used across projects.

• Example of Test Plan: A plan for testing a new mob...read more
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Q4. Create a Rest Assured Java Program that calls a GET API and parse the response without using JsonPath ?
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Q5. What is JSON Wire Protocol ?
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JSON Wire Protocol is a communication protocol used for WebDriver to interact with web browsers.
• Defines a standard way for WebDriver clients to communicate with browser drivers.

• Uses JSON format to send commands and receive responses.

• Supports various browser actions like opening a URL, clicking elements, etc.

• Example: Sending a command to navigate to a URL: { 'url': 'http://example.com' }

• Facilitates cross-browser testing
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Q6. What Java OOP concepts were utilized in your automation framework, and can you provide examples of each?
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Utilized Java OOP concepts like inheritance, encapsulation, polymorphism, and abstraction in the automation framework.
• Inheritance: Created a base class 'TestBase' for common test setup and teardown methods, allowing derived classes to inherit these functionalities.

• Encapsulation: Used private variables in page object classes to hide implementation details, providing public getter and setter methods for access.

• Polymorphi...read more
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Codility- Angular - 2 questions, complete code for html, ts files

Q1. SOLID principles
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Q2. Prototypes with examples, create a prototype that removes duplicate words from a sentence
Ans. 
Prototype to remove duplicate words from a sentence using an array of strings
• Create a function that takes in a sentence as input

• Split the sentence into an array of words

• Use a Set data structure to store unique words

• Iterate through the array of words and add each word to the Set

• Convert the Set back to an array to get the unique words

• Join the unique words back into a sentence
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Q3. Union types and intersection Types
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Q4. Utility types- Omit and Partial
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Q5. Angular Change Detection
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Q6. ZoneJS and Signals
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Q7. ViewChild and ViewChildren
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Q8. View Encapsulation
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Q9. Subject and Behaviour Subject
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Q10. Dynamic Component Loading
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Q11. MergeMap and SwitchMap
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Q12. Performance tuning in Angular
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Performance tuning in Angular involves optimizing code, reducing load times, and improving user experience.
• Use lazy loading to load modules only when needed

• Minimize the number of HTTP requests by combining files and using caching

• Optimize change detection by using OnPush strategy

• Avoid unnecessary DOM manipulations and use trackBy function in ngFor loops

• Use AOT compilation to reduce bundle size and improve load times
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