SwitchGear Co. Senior Quality Engineer Interview Questions and Answers

Q1. Write the program -> input -> aabbccc. Output -> a2b2c3
Ans. 
Program to count consecutive characters in a string
• Iterate through the string and compare each character with the next one

• Maintain a count for each character and append to the output string when a different character is encountered

• Example: input 'aabbccc' -> output 'a2b2c3'
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Q2. Write the dynamic xpath (both relative and absolute)
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Dynamic xpath is a way to locate elements on a web page based on changing attributes or positions.
• Use functions like contains(), starts-with(), or ends-with() to create dynamic xpaths

• Avoid using indexes in xpaths as they can change with page updates

• Consider using unique attributes or text within the element to create a reliable xpath
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Q3. API difference between put and patch
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PUT is used to update or replace an entire resource, while PATCH is used to update specific fields of a resource.
• PUT is idempotent, meaning multiple identical requests will have the same effect as a single request.

• PATCH is not necessarily idempotent, as multiple identical requests may have different effects.

• PUT requires the client to send the entire updated resource, while PATCH only requires the client to send the spe
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Q4. Basic SQL query
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Java hashmap and strings

Q1. Tell me about yourself?
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Q2. GD&T related quesstions
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Q3. Difference b/w Profile of surface and Profile of line
Ans. 
Profile of surface refers to the 3D deviation of a surface from its perfect form, while Profile of line refers to the 2D deviation of a line from its perfect form.
• Profile of surface is a 3D measurement, while Profile of line is a 2D measurement

• Profile of surface considers the entire surface, while Profile of line focuses on a specific line on the surface

• Profile of surface is used to evaluate the overall shape and form ...read more
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Q4. How to measure sheet metal parts?
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Sheet metal parts can be measured using various tools and techniques to ensure accuracy and quality.
• Use calipers to measure dimensions such as length, width, and thickness.

• Utilize a micrometer for more precise measurements of thickness.

• Perform a visual inspection to check for any defects or imperfections.

• Use a coordinate measuring machine (CMM) for complex geometries and tight tolerances.

• Verify measurements against eng...read more
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Q5. Does sheet metal parts required fixtures? How do you hold?
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Yes, sheet metal parts often require fixtures to hold them in place during manufacturing processes.
• Sheet metal parts often have complex shapes that require fixtures to ensure accurate and consistent manufacturing.

• Fixtures can be custom-designed to hold the sheet metal parts securely in place during processes such as cutting, bending, and welding.

• Common types of fixtures for sheet metal parts include clamps, jigs, and s...read more
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Q6. What's Cp Cpk? Difference? And calculation
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Cp and Cpk are process capability indices used to measure how well a process is performing within specification limits.
• Cp measures how well the process spread fits within the specification limits

• Cpk measures how centered the process is between the specification limits

• Cp and Cpk are calculated using the formula: Cp = (USL - LSL) / (6 * standard deviation) and Cpk = min((USL - mean) / (3 * standard deviation), (mean - LS...read more
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Q1. Performance testing why it is important
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Performance testing is important to ensure that the system can handle expected user load and provide a good user experience.
• Identifies bottlenecks and performance issues before they impact users

• Helps optimize system performance and resource utilization

• Ensures that the system can handle expected user load and provide a good user experience

• Examples: load testing, stress testing, endurance testing
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Q2. Describing different scenarios related to authentication
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Authentication scenarios include single sign-on, multi-factor authentication, and passwordless authentication.
• Single sign-on allows users to access multiple applications with a single set of credentials.

• Multi-factor authentication requires users to provide two or more forms of identification, such as a password and a fingerprint.

• Passwordless authentication uses methods such as biometric identification or one-time codes...read more
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Q1. Before calling for the technical interview, will have skill assessment test for experienced candidates.In this skill assessment test is completely MCQ's based on your skill set and job requirement.
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Q1. 1. What is the difference between find elements and find element in selenium 2. Oops concept and where you have applied this concept in your framework 3. Explain the framework you are using 4. How to gener...read more
Ans. 
Interview questions for Senior Quality Engineer position
• findElements returns a list of web elements while findElement returns a single web element

• OOPS concepts include inheritance, polymorphism, encapsulation, and abstraction

• TestNG framework allows for easy test case management and reporting

• Reports in TestNG can be generated using the TestNG XML file or by using listeners

• Defect life cycle includes identification, loggi...read more
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Q1. This round is for profile evaluation. In this round also they will ask technical questions based on job description.
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Q1. They will ask company related questions ( why this company)
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Q1. Questions were quite good mostly relate to programming and some in depth concepts of oops
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Q2. Questions around sql basics
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Q1. What is Test mandate
Ans. 
Test mandate refers to the set of requirements or guidelines that must be followed during the testing process to ensure quality and accuracy.
• Test mandate outlines the specific objectives, scope, and criteria for testing a product or system.

• It includes the testing approach, techniques, tools, and resources to be used.

• Test mandate helps in ensuring that the testing process is thorough, consistent, and meets the desired q...read more
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Q2. Automation challenges faced in project
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Automation challenges include complex test scenarios, maintenance of scripts, and integration with CI/CD pipelines.
• Complex test scenarios requiring extensive script development

• Maintenance of automation scripts as application changes

• Integration of automation with CI/CD pipelines for continuous testing

• Handling dynamic elements on web pages

• Data synchronization issues between test and production environments
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Q1. Project related question
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Q2. Tosca basic questions
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Q1. OOPs Concept, String program
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Q2. TestNG annotations, Assertions
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