Helios Solutions Senior QA Engineer Interview Questions and Answers

Q1. Reverse the words in string. 1st word will be coming last and last to the first.with out using builtin functions
Ans. 
Reverse the words in a string without using built-in functions.
• Split the string into an array of words using a space as the delimiter.

• Create a new array and iterate over the words array in reverse order, adding each word to the new array.

• Join the new array of words back into a single string with spaces between each word.
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Q2. Given some url asked what i have understood from that url in api testing.
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Q3. Difference between path and querry params
Ans. 
Path params are part of the URL path, while query params are appended to the URL after a '?'
• Path params are used to identify a specific resource in the URL path, while query params are used to filter or sort the results

• Path params are defined in the URL path itself, like /users/{id}, while query params are added after a '?' like /users?role=admin

• Path params are typically used for required parameters, while query params...read more
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Q4. Types of parameters in the api testing
Ans. 
Parameters in API testing include path parameters, query parameters, header parameters, and body parameters.
• Path parameters are used to identify a specific resource in the URL path, e.g. /users/{id}

• Query parameters are used for filtering or sorting data, e.g. /users?status=active

• Header parameters contain additional information for the request, e.g. Content-Type: application/json

• Body parameters are used to send data in ...read more
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Q5. How do you write post querry in restassured
Ans. 
To write a post query in RestAssured, use the given() method to set request parameters and body, then use the post() method to send the request.
• Use given() method to set request parameters and body

• Use post() method to send the request

• Example: given().param("key", "value").body("{\"name\": \"John\"}").post("/endpoint")
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1. Test cases on chair and baloon.
2. Past work experience.

Q1. What is sql injection?
Ans. 
SQL injection is a type of cyber attack where malicious SQL code is inserted into input fields to manipulate a database.
• SQL injection occurs when an attacker inserts malicious SQL code into input fields on a website.

• This can allow the attacker to access, modify, or delete data from the database.

• Preventing SQL injection involves using parameterized queries and input validation.

• Example: Entering ' OR '1'='1' into a login
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Q2. Testing methodology?
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Q3. What is SDLC, STLC?
Ans. 
SDLC stands for Software Development Life Cycle and STLC stands for Software Testing Life Cycle.
• SDLC is a process used by software development teams to design, develop, and test high-quality software.

• STLC is a subset of SDLC focused on testing activities such as test planning, test design, test execution, and test closure.

• SDLC includes phases like requirements gathering, design, development, testing, deployment, and ma...read more
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Q4. Principles of software testing?
Ans. 
Principles of software testing involve thorough planning, systematic execution, and continuous improvement.
• Testing should start early in the software development lifecycle.

• Testing should be based on requirements and specifications.

• Testing should be thorough and cover all possible scenarios.

• Testing should be repeatable and consistent.

• Testing should be automated where possible to increase efficiency.

• Testing should be per...read more
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Q5. Past work experience?
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Q1. 1. Questions related to the project, all questions are from selenium and Java and based on your resume. 2. Questions related to automation framework
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Q2. 1. Questions related to sql database 2. Questions related to api testing
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Q1. Software testing
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Q2. Defect life cycle
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