SFO Technologies Quality Engineer Interview Questions and Answers

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Q1. Basic java selenium framework related questions
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Q1. What is the spc?
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SPC stands for Statistical Process Control, a method used to monitor and control processes to ensure they are stable and in control.
• SPC involves collecting and analyzing data to understand variation in a process

• It helps identify when a process is out of control and in need of adjustment

• Common tools used in SPC include control charts, histograms, and Pareto charts
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Q2. What is msa?
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MSA stands for Measurement System Analysis. It is a method used to assess the measurement system's capability to provide accurate and reliable data.
• MSA helps in identifying sources of variation in measurement systems.

• It includes studies like Gage R&R (Repeatability and Reproducibility) to evaluate measurement system precision.

• MSA ensures that the measurement system is capable of providing accurate and reliable data...read more
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Q1. What is your job role?
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Quality Engineers are responsible for ensuring products meet quality standards through testing and analysis.
• Develop and implement quality control systems

• Conduct tests and inspections to identify defects

• Analyze data to improve processes and reduce errors

• Collaborate with production teams to address quality issues

• Document findings and recommend improvements
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Q2. How you manage your daily work management?
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I manage my daily work management by prioritizing tasks, creating to-do lists, setting deadlines, and utilizing time management techniques.
• Prioritize tasks based on urgency and importance

• Create to-do lists to keep track of tasks

• Set deadlines to ensure timely completion

• Utilize time management techniques such as Pomodoro technique or Eisenhower matrix

• Regularly review and adjust the plan as needed
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Q1. What is etl and why is it used
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ETL stands for Extract, Transform, Load. It is used to extract data from various sources, transform it into a consistent format, and load it into a data warehouse for analysis.
• Extract: Data is extracted from different sources such as databases, files, or APIs.

• Transform: The extracted data is cleaned, filtered, and transformed into a consistent format.

• Load: The transformed data is loaded into a data warehouse for analys...read more
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Q2. What is scd types
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SCD types refer to slowly changing dimensions in data warehousing, used to track historical changes in data over time.
• SCD Type 1: Overwrites old data with new data, losing historical information.

• SCD Type 2: Keeps multiple versions of the same record, creating new records for each change.

• SCD Type 3: Keeps some historical data in the same record, adding new columns for changes.

• SCD Type 4: Uses separate tables to store hi...read more
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Q1. Selenium Framework ;String manipulation programs
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Selenium Framework is used for automated testing of web applications. String manipulation programs are used to modify strings.
• Selenium Framework is used to automate web application testing by simulating user actions.

• String manipulation programs are used to modify strings by adding, removing, or replacing characters.

• Examples of string manipulation programs include substring, replace, and split.
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Q2. DB Queries related to like and select
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Q1. What is distributed load testing why it is required
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Distributed load testing is a technique used to simulate real-world user traffic by distributing the load across multiple machines.
• Distributed load testing involves using multiple machines to generate a high volume of user traffic.

• It helps identify performance bottlenecks and scalability issues in a system.

• By distributing the load, it mimics real-world scenarios and provides more accurate results.

• It allows testing the ...read more
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Q2. Types of LoadRunner components
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LoadRunner components include Virtual User Generator, Controller, and Analysis.
• Virtual User Generator (VuGen) is used to create scripts that simulate user actions.

• Controller is used to manage and control the load testing scenarios.

• Analysis is used to analyze the performance test results.

• Other components include Load Generator, Agent, and Monitor.

• Load Generator is responsible for generating the load on the system under ...read more
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Q3. What is return of investment from performance testing
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The return on investment from performance testing is improved system performance, increased customer satisfaction, and reduced costs.
• Performance testing helps identify and fix performance issues before they impact users.

• It ensures that the system can handle expected user loads and perform efficiently.

• By optimizing system performance, customer satisfaction and user experience are enhanced.

• Performance testing helps preve...read more
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Q4. Client has no idea on performance testing how you convivence them
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To convince the client about performance testing, emphasize its benefits and provide examples of how it can improve their product.
• Explain the importance of performance testing in ensuring the product meets performance requirements and user expectations.

• Highlight the potential risks of not conducting performance testing, such as poor user experience, system crashes, and loss of customers.

• Share success stories or case st...read more
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Q1. Oops is automation framework
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An automation framework is a set of guidelines, rules, and tools that help in creating automated tests for software applications.
• An automation framework provides a structure for test automation, including test data handling, reporting, and reusable components.

• It helps in reducing the effort required for test script development and maintenance.

• Examples of automation frameworks include Selenium, TestNG, and Robot Framewo
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Q2. Selenium java, getwindowshandles, iframes
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