BNP Paribas India Solutions Senior Test Engineer Interview Questions and Answers

20 aptitude questions and 50 technical questions

Q1. Tell me about your self
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Q2. Explain automation framework
Ans. 
Automation framework is a set of guidelines, rules, and tools that help in creating and executing automated tests.
• Automation framework provides structure and guidelines for creating automated tests

• It helps in organizing test scripts, data, and results

• Frameworks can be data-driven, keyword-driven, or hybrid

• Examples of automation frameworks include Selenium WebDriver, TestNG, and Robot Framework
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Q3. Java code for sorting without using built in function
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Sorting array of strings in Java without using built-in functions
• Create a custom sorting algorithm like bubble sort, selection sort, or insertion sort

• Compare each pair of strings and swap them if necessary to sort in ascending order

• Repeat the process until the array is fully sorted
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Q4. Explain testng annotations and how will we use annotation in our framework
Ans. 
TestNG annotations are used to control the flow of test methods and provide additional information about the test methods.
• TestNG annotations are used to mark methods as test methods, setup methods, teardown methods, etc.

• Annotations like @Test, @BeforeMethod, @AfterMethod, @BeforeClass, @AfterClass, @BeforeSuite, @AfterSuite are commonly used in TestNG framework.

• Annotations help in organizing and prioritizing test metho...read more
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Q5. What is testng listener
Ans. 
TestNG listener is an interface that allows users to customize the test execution process.
• TestNG listeners can be used to perform actions before or after a test method is run.

• Listeners can be used to generate logs, take screenshots, or perform other custom actions during test execution.

• Examples of TestNG listeners include ITestListener, ISuiteListener, and IInvokedMethodListener.
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Q6. What is overriding and where it is used in automation framework
Ans. 
Overriding is a concept in object-oriented programming where a subclass provides a specific implementation of a method that is already provided by its superclass.
• Overriding allows a subclass to provide a specific implementation of a method that is already provided by its superclass

• It is used in automation frameworks to customize or extend the functionality of existing methods or classes

• In automation testing, overriding...read more
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Q7. Explain bdd hooks and tags
Ans. 
BDD hooks and tags are used in Behavior-Driven Development to set up preconditions and execute actions before or after scenarios, and to categorize and filter scenarios.
• BDD hooks are used to set up preconditions and execute actions before or after scenarios

• Tags are used to categorize and filter scenarios based on certain criteria

• Hooks can be used to perform setup and teardown actions, such as initializing test data or ...read more
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Q8. Explain bdd background keyword
Ans. 
BDD background keyword is used to define common preconditions for all scenarios in a feature file.
• Used at the beginning of a feature file to define common preconditions

• Helps in setting up the initial state for all scenarios in the feature file

• Reduces duplication of steps in scenarios by defining them once in the background
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Q9. Explain ci/cd pipeline using jenkins
Ans. 
CI/CD pipeline using Jenkins automates the process of integrating code changes and deploying them to production.
• Jenkins is a popular automation server used for CI/CD

• CI/CD stands for Continuous Integration/Continuous Deployment

• In a CI/CD pipeline, code changes are automatically built, tested, and deployed

• Jenkins pipelines can be defined using a Jenkinsfile which specifies the stages and steps of the pipeline

• Example: Che...read more
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Q10. Explain rest assured and write a code for post and verify the response
Ans. 
Rest Assured is a Java library for testing RESTful APIs. It simplifies API testing by providing a fluent interface to make HTTP requests and validate responses.
• Rest Assured is commonly used in API automation testing to validate the functionality of RESTful APIs.

• It allows testers to easily make HTTP requests, set headers, parameters, and body, and validate the response.

• Here is an example code snippet for posting data an...read more
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Q1. What is defect tracking
Ans. 
Defect tracking is the process of identifying, documenting, prioritizing, and resolving issues or bugs in software.
• Defect tracking involves recording details of defects found during testing.

• Each defect is assigned a unique identifier for tracking purposes.

• Defects are categorized based on severity and priority to determine the order in which they should be fixed.

• Defect tracking tools like Jira, Bugzilla, or HP ALM are c...read more
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Q2. What is the regression testing
Ans. 
Regression testing is the process of retesting a software application to ensure that new code changes have not adversely affected existing functionality.
• Regression testing is performed after code changes to verify that the existing functionality still works correctly.

• It helps in identifying any defects introduced by new code changes.

• Automated testing tools are often used for regression testing to save time and effort.

• R...read more
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Q3. How you will write the test scenario for elevator
Ans. 
Test scenarios for an elevator to ensure proper functionality and safety
• Test the elevator buttons for all floors

• Test emergency stop button functionality

• Test door opening and closing mechanism

• Test elevator capacity by loading it with maximum weight limit

• Test response time for elevator arrival at different floors
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Q1. Questions on Framework
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Q2. Programs on Strings and Collections
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Q3. Selenium scenario based programs on window handling
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Q1. Basic java programs
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Q1. Java+Selenium basic questions
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Q1. Basic HR questions
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Q1. Manual Testing Questions
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Q2. Situation based questions
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Q1. Client related discussion
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Q2. Some questions from technical round
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Q1. Package discussion
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Q2. Explaining about company
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Round duration - 60 Minutes
Round difficulty - Medium

In this round, the interviewer first started asking me questions around Java and Java 8 and then he switched to OOPS and SQL.

Q1. What are Java 8 streams?
Ans. 
A stream is an abstraction to express data processing queries in a declarative way. 

A Stream, which represents a sequence of data objects & series of operations on that data is a data pipeline that is not related to Java I/O Streams does not hold any data permanently.
The key interface is "java.util.stream.Stream". It accepts Functional Interfaces so that lambdas can be passed. Streams support a fluent interfac
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Q2. What are the features of a lambda expression?
Ans. 
Below are the two significant features of the methods that are defined as the lambda expressions: 

1) Lambda expressions can be passed as a parameter to another method. 
2) Lambda expressions can be standalone without belonging to any class.
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Q3. What is the difference between an abstract class and an interface in OOP?
Ans. 
Answer :
The differences between Abstract Class and Interface are as follows:

Abstract Class:

1) Abstract classes have a default constructor and it is called whenever the concrete subclass is instantiated.
2) It contains Abstract methods as well as Non-Abstract methods.
3) The class which extends the Abstract class shouldn’t require the implementation of all the methods, only Abstract
methods need to be implemented in the co...read more
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Q4. What do you mean by data encapsulation?
Ans. 
1) Data Encapsulation is an Object-Oriented Programming concept of hiding the data attributes and their behaviors in a single unit.

2) It helps developers to follow modularity while developing software by ensuring that each object is independent of other objects by having its own methods, attributes, and functionalities.

3) It is used for the security of the private properties of an object and hence serves the purpose of
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Q5. Can static methods be overridden?
Ans. 
1) No. Declaration of static methods having the same signature can be done in the subclass but run time polymorphism can not take place in such cases.

2) Overriding or dynamic polymorphism occurs during the runtime, but the static methods are loaded and looked up at the compile time statically. Hence, these methods cant be overridden.
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Q6. What is the difference between CHAR and VARCHAR2 data types in SQL?
Ans. 
Both of these data types are used for characters, but varchar2 is used for character strings of variable length, whereas char is used for character strings of fixed length. For example, if we specify the type as char(5) then we will not be allowed to store a string of any other length in this variable, but if we specify the type of this variable as varchar2(5) then we will be allowed to store strings of variable length...read more
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Q7. What is a view in SQL?
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Views in SQL are a kind of virtual table. A view also has rows and columns as they are on a real table in the database. We can create a view by selecting fields from one or more tables present in the database. A View can either have all the rows of a table or specific rows based on certain conditions. 

The CREATE VIEW statement of SQL is used for creating views. 

Basic Syntax : 

CREATE VIEW view_name AS
SELE...read more
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Round duration - 60 Minutes
Round difficulty - Medium

In this round, the interviewer asked me questions around BDD Frameworks, Cucumber and C#. At the end, I was also asked some basic questions revolving around SQL.

Q1. Can you explain briefly how Behavioral Driven Development (BDD) works?
Ans. 
There are majorly three steps in the working of BDD. They are as follows :-

1) Behaviour Description : We list down the features of our application first in the feature file.

2) Making the Step Definition file : The mapping between each step of the scenario defined in the feature file and a
code of the function to be executed is stored in the steps definition file.

3) Testing and running : We run the test cases to check if...read more
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Q2. What are annotations in Cucumber?
Ans. 
An annotation is a type of text that has been pre-defined and has a specified meaning. It tells the compiler/interpreter
what to do when the program runs. The annotations on Cucumber are as follows:

1) Given : It specifies the requirements for running the test.
Example : Given I have an account on Interviewbit.

2) When : It establishes the starting point for any test scenario.
Example : When I log in to Interviewbit.

3) Then...read more
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Q3. How can you run a selected test from a group of tests in Cucumber?
Ans. 
1) We may execute a single test from a set of tests in the Cucumber framework using the tags idea.

2) This is found in the TestRunner file's @CucumberOptions section. With the use of the @t keyword, we may tag a scenario in the feature file. 

3) A scenario can have one or more tags within the feature file. We can separate test scenarios with the assistance of tagging. 

4) We must pass the value within the tags a...read more
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Q4. What is the difference between an Array and an ArrayList in C#?
Ans. 
An array is a collection of similar variables clubbed together under one common name. While ArrayList is a collection of objects that can be indexed individually. With ArrayList you can access a number of features like dynamic memory allocation, adding, searching, and sorting items in the ArrayList. 

1) When declaring an array the size of the items is fixed therefore, the memory allocation is fixed. But with ArrayL...read more
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Q5. What is Reflection in C#?
Ans. 
Reflection in C# extracts metadata from the datatypes during runtime. 

To add reflection in the .NET framework, simply use System.Refelction namespace in your program to retrieve the type which can be anything from :

1) Assembly
2) Module
3) Enum
4) MethodInfo
5) ConstructorInfo
6) MemberInfo
7) ParameterInfo
8) Type
9) FieldInfo
10) EventInfo
11) PropertyInfo
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Q6. How do you find the second highest salary from a table in SQL?
Ans. 
Approach : Sort the distinct salary in descend order and then utilize the LIMIT clause to get the second highest salary.

Query : 

SELECT DISTINCT Salary
FROM Employee
ORDER BY Salary DESC
LIMIT 1 OFFSET 1;
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Q7. What is the ALIAS command in SQL?
Ans. 
Aliases are the temporary names given to a table or column for the purpose of a particular SQL query. It is used when the name of a column or table is used other than their original name, but the modified name is only temporary.

1) Aliases are created to make table or column names more readable.
2) The renaming is just a temporary change and the table name does not change in the original database.
3) Aliases are useful wh...read more
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Round duration - 30 Minutes
Round difficulty - Easy

This was a Technical Cum HR round where I was first asked some basic Java related concepts and then we discussed
about my expectations from the company , learnings and growth in the forthcomig years. I would suggest be honest and
try to communicate your thoughts properly in these type of rounds to maximise your chances of getting selected.

Q1. Why should we hire you?
Ans. 
Tip 1 : The cross questioning can go intense some time, think before you speak.

Tip 2 : Be open minded and answer whatever you are thinking, in these rounds I feel it is important to have opinion.

Tip 3 : Context of questions can be switched, pay attention to the details. It is okay to ask questions in these round,
like what are the projects currently the company is investing, which team you are mentoring. How all is the ...read more
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