Commonwealth Bank of Australia, India Lead Engineer Interview Questions and Answers

Q1. React machine coding question
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Q2. JavaScript based question
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Q1. Java 8, microservices and coding.
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Q1. System design , Java, springboot.
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Q1. CI/CD pipeline, process, nfrs
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Q1. Manager round, normal process followed in he company, describe about the roles and responsibilities.
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There was a computer based exam.

Q1. Managerial round
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Q1. Explain your last project and your role in this project
Ans. 
Led a team in implementing a new CRM system for a large retail company
• Managed project timeline and deliverables

• Collaborated with stakeholders to gather requirements

• Provided training and support to end users

• Ensured successful implementation and user adoption

• Improved customer data management and analytics
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Q2. Overall working experience with other companies
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I have over 10 years of experience working with various companies in consulting roles.
• Managed client relationships and delivered successful projects on time and within budget

• Led cross-functional teams to drive business growth and improve operational efficiency

• Developed and implemented strategic plans to address client needs and achieve objectives
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Q3. Why choose kafka over MQ ? what challenges you faced during kafka implementation ?
Ans. 
Kafka is chosen for its scalability and fault tolerance compared to MQ.
• Kafka offers higher throughput and lower latency compared to MQ.

• Kafka is horizontally scalable, allowing for easy expansion as data volume grows.

• Kafka provides fault tolerance through replication of data across multiple brokers.

• Challenges faced during Kafka implementation may include setting up proper configurations, ensuring data consistency, and m...read more
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Q4. Monolith to microservice migration journey ? what all decisions needs to be taken and how the entire migration took place.
Ans. 
Monolith to microservice migration involves breaking down a large application into smaller, independent services.
• Evaluate the current monolith architecture and identify the components that can be decoupled into microservices.

• Define the boundaries of each microservice to ensure they are cohesive and loosely coupled.

• Choose the right technology stack for each microservice based on its requirements and scalability needs.

• Im...read more
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Q5. If worked for RestAPI ? what is the use of swagger ? what is the content of Swagger documentation ?
Ans. 
Swagger is a tool used for documenting and testing REST APIs.
• Swagger is used for documenting REST APIs by providing a user-friendly interface to view and interact with API endpoints.

• It allows developers to easily understand the functionality of an API, including available endpoints, request/response formats, and authentication methods.

• Swagger documentation typically includes information such as API endpoints, request p...read more
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Q6. Only this was asked to me , and rejected
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Q1. What is Global traffic manager
Ans. 
Global Traffic Manager is a network device that directs client requests to the most appropriate server based on factors like server availability and load.
• Global Traffic Manager (GTM) is a type of load balancer used to manage traffic across multiple servers or data centers.

• It helps optimize the performance and availability of applications by distributing client requests to the most suitable server.

• GTM can perform functi...read more
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Q2. What is Local traffic manager
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Local Traffic Manager is a network device or software that manages traffic within a local network.
• Local Traffic Manager (LTM) is a type of load balancer that distributes incoming network traffic across multiple servers to ensure optimal resource utilization.

• It helps improve application performance, availability, and security by intelligently routing traffic based on various factors such as server health, load, and prox...read more
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Q1. What is Business continuity management
Ans. 
Business continuity management is a process that helps organizations prepare for and recover from potential threats or disruptions.
• Involves identifying potential risks and developing plans to mitigate them

• Ensures critical functions can continue during and after a disaster

• Includes testing and updating plans regularly to ensure effectiveness
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Q2. What is resiliency
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Resiliency is the ability to bounce back from challenges, setbacks, and adversity.
• Resiliency involves adapting to change and overcoming obstacles

• It is about maintaining a positive attitude and mindset during difficult times

• Building resiliency involves developing coping strategies and seeking support from others
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Q1. Good with location
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Q2. Why should we hire you
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Q1. Capacity Planning
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Q2. People management
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Q1. Performance evaluation
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Q2. Conflict Resolution
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Q1. Could you provide details about your experience?
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Q1. Testing terminologies
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Q2. Automation tool uses
Ans. 
We primarily use Selenium for automation testing, along with tools like JUnit and TestNG for test execution and reporting.
• Selenium is the main automation tool used for web application testing

• JUnit and TestNG are used for test execution and reporting

• We also utilize tools like Cucumber for behavior-driven development
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