Wackytoon Studio Interview Questions and Answers

Q1. How much exp in docker?
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Q2. Do you have exp in Kubernetes?
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Q3. What is OOP?
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Q4. Types of polymorphism
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Q5. Thread in java
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Q6. Knowledge in which spring modules
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Q7. What is spring profile
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Q8. What is @PreAuthorize and @PostAuthorize
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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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Q1. Next company name
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Q2. What are you post
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Backend and office assistant
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Q3. What is your salary expectations
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2lakh annual income
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Q4. What is your qualifications
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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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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.

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 ?
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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?
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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. 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. How do you assess if a user story is complete or not. Have you heard about INVEST.
Ans. 
Assessing completeness of user stories using INVEST criteria.
• INVEST stands for Independent, Negotiable, Valuable, Estimable, Small, and Testable.

• A user story is complete if it meets all the criteria of INVEST.

• Independence: User story should be self-contained and not dependent on other stories.

• Negotiable: Details of the story can be negotiated between the team and stakeholders.

• Valuable: Story should deliver value to the...read more
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Q2. Are you aware of RACI matrix.
Ans. 
Yes, RACI matrix is a tool used to clarify roles and responsibilities in a project or process.
• RACI stands for Responsible, Accountable, Consulted, and Informed.

• It helps in defining who is responsible for what tasks, who is accountable for the overall success, who needs to be consulted before decisions are made, and who needs to be kept informed.

• For example, in a software development project, the Business Analyst might ...read more
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Q3. If there are multiple stakeholders and one of the stakeholder is old school and against the new requirement, how do you handle such stakeholder.
Ans. 
Address the concerns of the old school stakeholder by understanding their perspective, communicating effectively, and finding common ground.
• Listen to the stakeholder's concerns and try to understand their perspective.

• Communicate the benefits of the new requirement in a way that resonates with the stakeholder's values and priorities.

• Find common ground by highlighting areas where the new requirement aligns with the stake...read more
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Q1. What is the difference between requirement gathering and requirement elicitation.
Ans. 
Requirement gathering is the process of collecting and documenting requirements from stakeholders, while requirement elicitation is the process of discovering and extracting requirements from stakeholders.
• Requirement gathering involves documenting known requirements, while requirement elicitation involves uncovering hidden or unspoken requirements.

• Requirement gathering typically involves interviews, surveys, and docume...read more
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Q2. What are the 3Cs of a user story.
Ans. 
The 3Cs of a user story are Card, Conversation, and Confirmation.
• Card: A user story is typically written on a physical or digital card to capture the essence of the requirement.

• Conversation: The user story should spark a conversation between the stakeholders to gather more details and clarify any doubts.

• Confirmation: The user story should have acceptance criteria that define when the story is considered complete.
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Q3. Traceability matrix
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