Taggbox QA Engineer Interview Questions and Answers

Q1. Tell me about API
Ans. 
API stands for Application Programming Interface, which allows different software applications to communicate with each other.
• APIs define the methods and data formats that applications can use to request and exchange information.

• APIs can be used to access services or data from third-party providers, such as social media platforms or payment gateways.

• APIs can be RESTful, SOAP-based, or GraphQL, depending on the requirem
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Q2. Tell me about Test Plan
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A test plan is a document outlining the scope, approach, resources, and schedule of testing activities.
• Defines the objectives and scope of testing

• Outlines the test strategy and approach

• Identifies resources and schedule for testing

• Includes test cases, test scenarios, and test data

• Describes the entry and exit criteria for testing
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Number serires , coding decoding , releationship

Q1. Testing , application flow , java
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Q2. What is the criteria of testing . what is the strategies
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Criteria of testing refers to the standards or requirements that must be met during the testing process. Testing strategies are the approaches or methods used to conduct testing effectively.
• Criteria of testing include functional requirements, performance benchmarks, usability standards, and security protocols.

• Testing strategies may involve manual testing, automated testing, regression testing, exploratory testing, and ...read more
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Q3. Java objects , strings , loops ,collections
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Reverse the string using java

Q1. - type of testing - SDLC and STLC - bug life cycle
Ans. 
Types of testing include functional, non-functional, manual, automated, etc. SDLC involves planning, designing, coding, testing, and maintenance. STLC involves test planning, test design, test execution, and test closure. Bug life cycle includes new, assigned, open, fixed, retested, closed, and reopened stages.
• Types of testing: functional, non-functional, manual, automated, etc.

• SDLC stages: planning, designing, coding,...read more
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Q2. SDLC and STLC cycle explain
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SDLC (Software Development Life Cycle) is the process of developing software, while STLC (Software Testing Life Cycle) is the process of testing the software.
• SDLC involves planning, designing, coding, testing, and deployment of software.

• STLC involves test planning, test design, test execution, and test closure.

• SDLC focuses on the development of software, while STLC focuses on ensuring the quality of the software.

• SDLC i...read more
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Was asked easy to medium level DSA questions

Q1. System design debugging round
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Q1. Path and query parameter in api testing
Ans. 
Path and query parameters are essential in API testing for specifying resource paths and filtering data.
• Path parameters are part of the endpoint URL and are used to identify a specific resource.

• Query parameters are added to the URL after a '?' and are used for filtering, sorting, or pagination.

• Example: Path parameter - /users/{id}, Query parameter - /users?role=admin

• Testing path parameters involves verifying that the c...read more
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Q2. Error codes in api testing
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Error codes in API testing are used to identify and communicate specific issues or problems that occur during the testing process.
• Error codes help testers understand the root cause of failures in API calls

• They provide a standardized way to communicate errors to developers and stakeholders

• Examples of error codes include 400 Bad Request, 401 Unauthorized, 404 Not Found, etc.
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Q3. Tyews of testing, SDLC, STLC, Daily work
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Q1. Few basic SQL Queries
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Q2. Difference between mobile and web app testing
Ans. 
Mobile app testing involves testing applications on mobile devices, while web app testing involves testing applications on web browsers.
• Mobile app testing includes testing on various mobile devices with different screen sizes and operating systems.

• Web app testing focuses on compatibility with different web browsers and screen resolutions.

• Mobile app testing may involve testing for offline functionality and push notifica...read more
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Q3. Negative test cases for money transaction
Ans. 
Negative test cases for money transaction
• Transaction amount exceeds account balance

• Invalid account number provided

• Transaction fails due to network issues

• Transaction is blocked due to suspicious activity
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Q1. Coding questions
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Q2. Roles and Responsibilities
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Q1. More technical questions
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Q1. Salary discussion
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Q1. They have the demo application where they start asking the questions
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Q1. Focused on postman tool
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Q1. Salary discussion, company rules and benefits
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Q1. Read and Write data from ExcelSheet DataProvider code.. What is folder structure of framework how to upload file using
Ans. 
To read and write data from ExcelSheet, use DataProvider code. Folder structure of framework should be organized. File upload can be done using appropriate methods.
• Use Apache POI library to read and write data from ExcelSheet

• DataProvider annotation in TestNG can be used to provide data to test methods

• Organize framework with folders like src, test, main, resources, etc.

• Use libraries like Selenium or Robot class to uploa
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Q2. Extent report question
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