Commonwealth Bank of Australia, India Quality Engineer Interview Questions, Process, and Tips

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Q1. Java program to reverse a string
Ans. 
Java program to reverse a string
• Create a char array from the input string

• Use two pointers to swap characters from start and end of the array

• Convert the char array back to a string and return
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Q1. What are the Projects you have worked??
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Q2. How good are you in SQL ??
Ans. 
I am proficient in SQL and have experience in writing complex queries.
• Proficient in writing complex SQL queries

• Experience in working with large databases

• Familiarity with database management systems like MySQL, Oracle, and SQL Server

• Ability to optimize queries for better performance

• Experience in data analysis and reporting using SQL
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Q3. How good are you in DW Concepts
Ans. 
I have a strong understanding of DW concepts and their application in quality engineering.
• I have experience in designing and implementing data warehouses.

• I am proficient in ETL processes and data integration.

• I have knowledge of dimensional modeling and data mart design.

• I am familiar with data quality management and data governance practices.

• I have worked with various DW tools such as Informatica, SSIS, and Talend.

• I hav...read more
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Q4. Basic ETL Testing Flow
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Q5. SQL - Concatenation, SUBSTR, INSTR, Rank & Dense Rank, UNION & UNION ALL , MINUS , Duplicate Handling
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Q1. Explain about the Projects you have worked ?
Ans. 
I have worked on various projects as a Quality Engineer.
• Implemented quality control measures to ensure product compliance

• Developed and executed test plans and procedures

• Identified and resolved quality issues through root cause analysis

• Collaborated with cross-functional teams to improve product quality

• Implemented statistical process control techniques for process improvement
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Q2. Architecture of the project
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The project architecture is a layered architecture with separate components for presentation, business logic, and data access.
• The project follows a layered architecture pattern.

• There are separate components for presentation, business logic, and data access.

• The presentation layer handles the user interface and interaction.

• The business logic layer contains the core functionality and rules of the application.

• The data acce...read more
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Q3. Business Knowledge on the project
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Q4. SQL and DataWarehose Concepts
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Q5. Basic Testing Knowledge
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Q6. Challenges faced in ETL Testing Projects
Ans. 
Challenges in ETL Testing Projects
• Data quality issues

• Complex data transformations

• Handling large volumes of data

• Ensuring data integrity

• Dealing with data inconsistencies

• Performance testing

• Managing dependencies between source and target systems
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Q1. Why there is lot switches in your profile ?
Ans. 
I have experience with a variety of switches in my profile.
• I have worked with different types of switches in my previous roles.

• Switches are an essential component in quality engineering as they help control and monitor various processes.

• Examples of switches I have worked with include pressure switches, temperature switches, and limit switches.

• I am familiar with the principles of switch operation and troubleshooting.

• Hav...read more
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Q2. Are you able to relocate to Bangalore ?
Ans. 
Yes, I am able to relocate to Bangalore.
• I am open to relocating to Bangalore for the position.

• I have no issues with moving to Bangalore for work.

• I am willing to make the necessary arrangements to relocate to Bangalore.

• I understand the importance of being flexible and adaptable in my career.

• I have previously relocated for job opportunities and have successfully adjusted to new environments.
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Q3. Do you have any offer in Hand ?
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