Fabelizer Interview Questions and Answers

Q1. What are custom hooks in React, and what are their use cases? Additionally, can you provide an example of a custom hook that performs an API call and utilizes the retrieved data?
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Q2. What is the difference between useMemo and useCallback in React?
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Q3. What is the difference between class-based components and functional components in React?
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Q4. How can you implement the lifecycle of a React component in a functional component?
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Q5. What are the various state management techniques available in React?
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Q6. What is the architecture of Redux, and what purposes do middlewares serve within it?
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Q7. What is hoisting in JavaScript?
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Q8. What is event bubbling in JavaScript?
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Q9. What are block scope and function scope in JavaScript?
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Q10. Have you had experience working with semantic tags in HTML?
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Q11. What are the various methods for creating an object in JavaScript?
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Q12. What are the differences between shallow copy and deep copy in JavaScript?
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Q13. What will be the output of the following JavaScript code fragment: `const a; function test() { console.log(a); }; test();`?
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Q14. How can you use CSS to arrange elements in a row and column layout?
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Q15. Have you utilized CSS preprocessors, and if so, which ones?
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Q16. If I have assigned different colors to an ID and a class and applied both to the same element, which color will be applied based on CSS specificity precedence?
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Any ideas for an aptitude test?

Q1. You have a good network connection.
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Q2. Which individuals are currently employed?
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What is education in place?

What is a SQL Server?

Effective communication and any suggestion.

Q1. What is your name?
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Q2. What is your educational background?
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Q1. What type of work does the Deloitte company engage in?
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Q2. What type of work does Deloitte engage in?
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Q1. What is your father's name?
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Q2. What is your father's name?
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Engage with any assignment provided.

Please provide any assignments you have.

Q1. Next company name
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Q2. What are you post
Ans. 
Backend and office assistant
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Q3. What is your salary expectations
Ans. 
2lakh annual income
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Q4. What is your qualifications
Ans. 
Qualification graduate
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Q5. What is you post
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Q1. About for condidate
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Q2. What is costumer service support?
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Q1. What is Bpo? And about for condidate details .
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Q2. About her current city.
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Q3. Why do you want to work in bpo?
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Its was moderate , basic questions and can written based on the cluster

It was easy its an combination of aptitude and gaming questions

Q1. What is Java, and why is it considered platform-independent?
Ans. 
Java is a programming language known for its platform independence due to its ability to run on any device with a Java Virtual Machine (JVM).
• Java is a high-level programming language developed by Sun Microsystems.

• It is considered platform-independent because Java programs are compiled into bytecode that can run on any device with a JVM.

• JVM acts as an interpreter that translates the bytecode into machine code specific t...read more
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Q2. What are the differences between method overloading and method overriding?
Ans. 
Method overloading involves multiple methods in the same class with the same name but different parameters. Method overriding involves a subclass providing a specific implementation of a method that is already provided by its superclass.
• Method overloading is resolved at compile time based on the method signature, while method overriding is resolved at runtime based on the object type.

• Method overloading is used to incre...read more
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Q3. What is the program for checking if a string is a palindrome?
Ans. 
A program to check if a string is a palindrome involves comparing the string with its reverse.
• Iterate through the string from both ends and compare characters.

• If all characters match, the string is a palindrome.

• Examples: 'radar' is a palindrome, 'hello' is not.
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Q4. Program for checking if given number is prime or not ?
Ans. 
A program to check if a given number is prime or not.
• Iterate from 2 to square root of the number and check for divisibility

• If the number is divisible by any number other than 1 and itself, it is not prime

• Optimization: Check divisibility only up to square root of the number
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Q5. What are the different types of Structured query Languages (SqL)?
Ans. 
Different types of SQL include MySQL, PostgreSQL, SQLite, Oracle SQL, and Microsoft SQL Server.
• MySQL - widely used open-source SQL database management system

• PostgreSQL - advanced open-source SQL database management system

• SQLite - self-contained, serverless, zero-configuration SQL database engine

• Oracle SQL - proprietary SQL database management system by Oracle Corporation

• Microsoft SQL Server - relational database manage
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Q6. Given an scenario to write sql query ?
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Q7. An aptitude question based on time and work
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Q8. What is the code for calculating the length of a rectangle given its breadth and area?
Ans. 
The code for calculating the length of a rectangle given its breadth and area involves dividing the area by the breadth.
• Calculate length = Area / Breadth

• For example, if the breadth is 5 and the area is 20, then the length would be 20 / 5 = 4
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Q9. What are the different types of data types in Java?
Ans. 
Java has primitive data types (int, double, boolean, etc.) and reference data types (arrays, classes, interfaces, etc.)
• Primitive data types include int, double, boolean, char, etc.

• Reference data types include arrays, classes, interfaces, etc.

• Examples: int num = 10; double price = 19.99; boolean isTrue = true; String name = "John";
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Q10. What are the differences between the Java Virtual Machine (JVM), Java Runtime Environment (JRE), and Java Development Kit (JDK)?
Ans. 
JVM executes Java bytecode, JRE includes JVM and libraries, JDK includes JRE and development tools.
• JVM is responsible for executing Java bytecode and providing a runtime environment.

• JRE includes JVM along with libraries and other components necessary to run Java applications.

• JDK includes JRE and development tools like compilers and debuggers for creating Java applications.

• JDK is required for developing Java application...read more
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Q11. What is a primary key in SQL?
Ans. 
A primary key in SQL is a unique identifier for each record in a table.
• Primary key ensures each record in a table is unique

• It can be a single column or a combination of columns

• Primary key values cannot be NULL

• Example: 'id' column in a 'users' table
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Q1. Why do you want to pursue a career in sales?
Ans. 
I am passionate about building relationships, meeting new people, and helping others find solutions to their needs.
• Enjoy interacting with people and building relationships

• Excited about helping others find solutions to their problems

• Thrilled by the challenge of meeting sales targets
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Q2. How can we create a sense of urgency for a client to make a purchase, given that they can buy the same product at any time through the website?
Ans. 
Creating a sense of urgency for a client to make a purchase when they can buy the same product anytime online.
• Offer limited-time promotions or discounts to encourage immediate purchase

• Highlight scarcity or limited availability of the product

• Create a sense of FOMO (fear of missing out) by showcasing high demand or low stock levels

• Utilize countdown timers or limited quantity alerts on the website

• Provide exclusive deals o
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Q3. What is the use of BYJUS products, and what are their unique selling points (USPs)?
Ans. 
BYJU'S products are educational tools that offer personalized learning experiences for students.
• BYJU'S products provide interactive video lessons and adaptive learning techniques.

• They cover a wide range of subjects from math and science to languages and coding.

• The products offer personalized feedback and progress tracking for students.

• BYJU'S unique selling points include engaging content, interactive quizzes, and real-...read more
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Q1. Where do you see yourself in five years?
Ans. 
In five years, I see myself as a seasoned Business Development professional leading a team and driving strategic growth initiatives.
• Leading a team of business development professionals

• Driving strategic growth initiatives for the company

• Continuing to learn and grow in the field of business development
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Q2. How will you manage additional working hours if necessary?
Ans. 
I am willing to adjust my schedule and prioritize tasks to accommodate additional working hours if necessary.
• I will communicate with my manager to understand the urgency and importance of the additional hours.

• I will plan my tasks efficiently to ensure that deadlines are met even with extended working hours.

• I will make sure to take breaks and manage my energy levels effectively to avoid burnout.

• I will be flexible and ad...read more
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Q1. When is my interview time?
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Q2. What documents should I prepare to bring with me?
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Q3. What would be good for the company?
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Q4. Will the company be with me forever?
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Q5. Will the company be with me in my ups and downs?
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Q1. Can you introduce yourself?
Ans. 
I am a Senior Automation Test Engineer with 5+ years of experience in designing and implementing automated testing frameworks.
• 5+ years of experience in automation testing

• Proficient in designing and implementing automated testing frameworks

• Strong knowledge of testing tools like Selenium, Appium, and JUnit

• Experience in creating test scripts and executing test cases

• Ability to analyze test results and identify defects
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Q2. What is the syntax for using driver.findElement in Selenium?
Ans. 
The syntax for using driver.findElement in Selenium is driver.findElement(By locator)
• Use driver.findElement(By locator) to locate a single element on the web page

• Specify the locator strategy (e.g. By.id, By.name, By.xpath) to identify the element

• Example: WebElement element = driver.findElement(By.id("username"));
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Q3. What are the different types of assertions, and what is the syntax for a hard assertion in TestNG?
Ans. 
Different types of assertions and syntax for hard assertion in TestNG
• Types of assertions: Hard assertions and Soft assertions

• Syntax for hard assertion in TestNG: Assert.assertEquals(expected, actual)
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Q4. What types of wait mechanisms are utilized in your project?
Ans. 
Types of wait mechanisms include implicit wait, explicit wait, fluent wait, and thread.sleep.
• Implicit wait: Waits for a certain amount of time before throwing a NoSuchElementException.

• Explicit wait: Waits for a certain condition to occur before proceeding further.

• Fluent wait: Waits for a condition to be true with a specified polling frequency.

• Thread.sleep: Pauses the execution for a specified amount of time.
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Q5. How do you manage frames in Selenium?
Ans. 
Frames in Selenium can be managed using switchTo() method to navigate between frames.
• Use driver.switchTo().frame() method to switch to a frame by index, name or WebElement

• Use driver.switchTo().defaultContent() method to switch back to the main content

• Use driver.switchTo().parentFrame() method to switch to the parent frame
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Q6. How do you remove duplicates from an array?
Ans. 
Use a Set data structure to remove duplicates from an array of strings.
• Create a Set from the array to automatically remove duplicates

• Convert the Set back to an array to get the unique values
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Q7. What is the difference between List, Set, and Map collections in Java?
Ans. 
List, Set, and Map are different types of collections in Java used to store and manipulate groups of objects.
• List is an ordered collection that allows duplicate elements. Example: ArrayList, LinkedList

• Set is a collection that does not allow duplicate elements. Example: HashSet, TreeSet

• Map is a collection of key-value pairs where each key is unique. Example: HashMap, TreeMap
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Q8. What actions would you take if there is a mismatch between user stories and application functionality?
Ans. 
I would analyze the user stories and application functionality to identify the root cause of the mismatch and work towards resolving it.
• Review the user stories and application functionality to understand the discrepancies

• Communicate with stakeholders to clarify requirements and expectations

• Update test cases and automation scripts to align with the corrected user stories

• Collaborate with developers to address any underly
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Q1. What is your relevant experience, and what are your roles and responsibilities in your current company?
Ans. 
I have over 5 years of experience in automation testing, with a focus on creating and executing test scripts for web applications.
• Developing automation test scripts using tools like Selenium and TestNG

• Creating test plans and test cases based on requirements

• Executing test cases and reporting defects

• Collaborating with developers and QA team to ensure quality of the product

• Participating in Agile ceremonies such as sprint
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Q2. Can you provide a specific scenario from your previous project, and detail the feature file step definitions while demonstrating how to run the scenario with different sets of data?
Ans. 
Demonstrating feature file step definitions with different sets of data in a previous project scenario
• Create a feature file with a scenario outline that includes placeholders for different sets of data

• Write step definitions that use the placeholders to run the scenario with different data sets

• Use data tables or examples in the feature file to provide the different sets of data

• Run the scenario with different data sets t...read more
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Q3. What approach can be used to count the number of URLs in an HTML page using Selenium and open the URL that contains your name?
Ans. 
To count URLs in an HTML page using Selenium and open the URL containing your name, you can use a combination of Selenium WebDriver methods and regular expressions.
• Use Selenium WebDriver to navigate to the HTML page and retrieve its source code

• Use regular expressions to identify and count the URLs in the source code

• Iterate through the list of URLs to find the one containing your name

• Use Selenium WebDriver to open the U
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Q4. How can you separate letters and digits from a string in Java? Please provide the Java code for this task.
Ans. 
Use regular expressions to separate letters and digits from a string in Java.
• Use the String class's split() method with a regular expression to separate letters and digits.

• Create a regular expression pattern that matches either letters or digits.

• Store the separated letters and digits in separate arrays.
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