ValueLabs Php Architect Interview Questions and Answers

Q1. Asked about AWS resources
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Q1. Asked scripting python &shell
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Q1. General discussion
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Q1. Where Observer pattern used in SpringBoot?
Ans. 
The Observer pattern is used in SpringBoot for implementing event handling and notification mechanisms.
• The Observer pattern is commonly used in SpringBoot for implementing event listeners and publishers.

• It allows objects to subscribe to and receive notifications about changes or events in other objects.

• Spring's ApplicationEvent and ApplicationListener interfaces are examples of the Observer pattern in action.

• Listeners ...read more
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Q2. Explain L and D in SOLID with examples?
Ans. 
Liskov Substitution Principle (L) and Dependency Inversion Principle (D) in SOLID
• Liskov Substitution Principle (L) states that objects of a superclass should be replaceable with objects of its subclasses without affecting the program's correctness.

• Dependency Inversion Principle (D) states that high-level modules should not depend on low-level modules. Both should depend on abstractions.

• Example for Liskov Substitution P...read more
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Q3. How ErrorHandling is done in your project?
Ans. 
Error handling in our project is implemented using try-catch blocks and custom exception classes.
• We use try-catch blocks to catch exceptions and handle them appropriately.

• We have custom exception classes for specific types of errors to provide more detailed information.

• We log errors to a centralized logging system for monitoring and troubleshooting.

• We have defined error codes and messages for easier identification and
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Q4. What is message retention period in Kafka in your project?
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Message retention period in Kafka is 7 days.
• Message retention period is set to 7 days in our project configuration.

• This means that messages in Kafka topics will be retained for 7 days before being deleted.

• This retention period can be adjusted based on the specific requirements of the project.
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Q1. Explain current project architecture. There were questions around it.
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Q1. Explain Current Project architecture. Questions were on the choice of approach taken.
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Q1. Draw and explain current project architecture.
Ans. 
The current project architecture is a microservices-based system with a containerized deployment using Kubernetes.
• Microservices architecture allows for modular and scalable development.

• Containerization with Kubernetes enables efficient deployment and management of services.

• Use of service mesh for communication between microservices.

• Integration of monitoring and logging tools for observability.

• Implementation of CI/CD pi
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Q2. Questions around estimation and agile
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Q1. Salary negotiation
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Q1. Azure solution design case studies
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Q2. Current project walkthrough
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Q3. PySpark coding questions
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Q4. DataModelling question
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Good test process keep trying you will get the job

Q1. Good question asked testing
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Q2. Good question asked teating
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Q1. Be focused and emphasise on your skill sets
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Q2. How did you managed your solution conflicts
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Q3. Real time scenarios question
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Q1. How to tackle the conflict
Ans. 
To tackle conflicts, it is important to understand the root cause, communicate effectively, find common ground, and seek a win-win solution.
• Identify the root cause of the conflict

• Listen actively and communicate effectively

• Find common ground and areas of agreement

• Seek a win-win solution through compromise and collaboration

• Encourage open dialogue and respect differing perspectives

• Consider involving a mediator or facilita
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Q2. Try to a bridge between the stockholders and discuss clearly
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Q1. What is migration strategy in Migration?
Ans. 
Migration strategy in Migration involves planning and executing the movement of data, applications, and infrastructure from one environment to another.
• Assess current environment and identify dependencies

• Define target environment and establish migration plan

• Test migration process and validate data integrity

• Execute migration with minimal downtime

• Monitor and optimize performance post-migration
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Q2. What is Well Architected Framework? how to use in Migration?
Ans. 
Well Architected Framework is a set of best practices for designing and improving cloud architectures.
• It consists of five pillars: Operational Excellence, Security, Reliability, Performance Efficiency, and Cost Optimization.

• It provides a consistent approach for customers and partners to evaluate architectures and implement designs that will scale over time.

• In migration, the Well Architected Framework can be used to ass...read more
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Q3. What is CAF? what is the benefit?
Ans. 
CAF stands for Common Assessment Framework. It is a tool used to assess the needs of individuals and families to provide appropriate support and services.
• CAF is a holistic assessment tool used in social care to identify the strengths and needs of individuals and families.

• It helps professionals to work together to provide coordinated support and services.

• The benefits of CAF include early intervention, improved outcomes ...read more
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Q1. What is long term objective?
Ans. 
To continuously enhance my skills and knowledge in technology, leadership, and business to become a trusted advisor for clients.
• Continuous learning and development in technology trends and solutions

• Building strong leadership and communication skills

• Developing a deep understanding of business processes and strategies

• Becoming a trusted advisor for clients by providing innovative and effective solutions
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Q1. Have you designed architecture solution for large proposals? If so give insights on that.
Ans. 
Yes, I have designed architecture solutions for large proposals.
• I have experience designing architecture solutions for large-scale projects that require high availability, scalability, and security.

• I have worked on proposals for enterprise clients where the architecture needed to support thousands of users and handle large amounts of data.

• I have expertise in designing cloud-based solutions using AWS, Azure, or Google C...read more
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