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Abzooba India Infotech Big Data Engineer Interview Questions, Process, and Tips
Abzooba India Infotech Big Data Engineer Interview Experiences
1 interview found
Anonymous
I applied via Campus Placement
(4 Questions)
- Q1. What is big data
- Ans.
Big data refers to large volumes of structured and unstructured data that is too complex for traditional data processing applications.
Big data involves massive amounts of data that cannot be easily managed or analyzed using traditional methods
It includes structured data (like databases) and unstructured data (like social media posts)
Examples include analyzing customer behavior on e-commerce websites, processing sensor ...
- Q2. What are technology related to big data
- Ans.
Technologies related to big data include Hadoop, Spark, Kafka, and NoSQL databases.
Hadoop - Distributed storage and processing framework for big data
Spark - In-memory data processing engine for big data analytics
Kafka - Distributed streaming platform for handling real-time data feeds
NoSQL databases - Non-relational databases for storing and retrieving large volumes of data
- Q3. What is data warehousing
- Ans.
Data warehousing is the process of collecting, storing, and managing data from various sources for analysis and reporting.
Data warehousing involves extracting data from multiple sources
Data is transformed and loaded into a central repository
Allows for complex queries and analysis to be performed on the data
Examples include data warehouses like Amazon Redshift, Google BigQuery
- Q4. What is cloud in big data
- Ans.
Cloud in big data refers to using cloud computing services to store, manage, and analyze large volumes of data.
Cloud computing allows for scalable and flexible storage of big data
It provides on-demand access to computing resources for processing big data
Examples include AWS, Google Cloud, and Microsoft Azure
(3 Questions)
- Q1. What is use of python
- Ans.
Python is a versatile programming language used for various purposes including web development, data analysis, artificial intelligence, and automation.
Python is used for web development with frameworks like Django and Flask.
It is commonly used for data analysis and visualization with libraries like Pandas and Matplotlib.
Python is popular in artificial intelligence and machine learning projects with libraries like Tenso...
- Q2. What is use of scala
- Ans.
Scala is a programming language that is used for building scalable and high-performance applications.
Scala is used for developing applications that require high performance and scalability.
It is often used in Big Data processing frameworks like Apache Spark.
Scala combines object-oriented and functional programming paradigms.
It is interoperable with Java, allowing developers to leverage existing Java libraries.
Scala is ...
- Q3. Solve some coding problems
(2 Questions)
- Q1. Tell me about yourself
- Q2. Your long term goal
Interview Preparation Tips
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
I was interviewed in Jun 2017.
Interview Questionnaire
12 Questions
- Q1. Write the annotation for controller?
- Ans.
An annotation for controller in software engineering.
The annotation for controller is used to define the class as a controller in a software application.
It is typically used in frameworks like Spring MVC or ASP.NET MVC.
The annotation helps in mapping the incoming requests to the appropriate controller methods.
It can also be used to specify the URL path for the controller.
Example: @Controller in Spring MVC, [ApiControll
- Q2. Write the annotation for request mapping?
- Ans.
The annotation for request mapping is used to map HTTP requests to specific methods in a controller class.
The annotation is @RequestMapping
It can be used at the class level to specify a common base URL for all methods in the class
It can also be used at the method level to specify the URL path and HTTP method for a specific method
Additional attributes can be used to further customize the mapping, such as specifying requ...
- Q3. What is front controller from context in spring mvc?
- Ans.
Front controller is a design pattern used in Spring MVC to handle incoming requests and route them to appropriate handlers.
Front controller acts as a central point of control for handling requests in Spring MVC.
It receives all incoming requests and delegates them to appropriate handlers called controllers.
Front controller provides a consistent way to handle requests and perform common tasks like authentication, logging...
- Q4. Write the css box model?
- Ans.
The CSS box model describes the layout and sizing of elements on a web page.
The box model consists of content, padding, border, and margin.
Content refers to the actual content of the element, such as text or images.
Padding is the space between the content and the border.
Border is a line that surrounds the padding and content.
Margin is the space outside the border, separating the element from other elements.
The width an...
- Q5. Select all div using jquery
- Ans.
Select all div using jQuery
Use the jQuery selector $('div') to select all div elements
This will return a jQuery object containing all the selected div elements
You can then perform operations on the selected div elements using jQuery methods
- Q6. Change all ul element to blue background color using jquery
- Ans.
Use jQuery to change the background color of all ul elements to blue.
Use the jQuery selector to select all ul elements
Use the css() method to change the background color to blue
- Q7. Change first li element to yellow background color using jquery
- Ans.
Use jQuery to change the background color of the first li element to yellow.
Use the :first-child selector to select the first li element
Use the css() method to change the background color to yellow
- Q8. Output of this var arr=[1,2,3,4,5] arr.push(6) arr.unshift(1) arr.pop() arr.shift()
- Ans.
The output of the given code is [1, 2, 3, 4, 5, 6].
The 'push' method adds an element to the end of the array.
The 'unshift' method adds an element to the beginning of the array.
The 'pop' method removes the last element from the array.
The 'shift' method removes the first element from the array.
- Q9. What are the uses of final in java
- Ans.
The 'final' keyword in Java is used to declare constants, prevent method overriding, and ensure thread safety.
Final variables cannot be reassigned once initialized
Final methods cannot be overridden by subclasses
Final classes cannot be extended by other classes
Final parameters ensure that they cannot be modified within a method
Final fields can be used to achieve thread safety
- Q10. Public static void getsum(int a,int b){System.out.println("a b method");}public static void getsum(int a,int b,int c){System.out.println("a b c method");}public static void getsum(int a,int ...b){System.o...
- Ans.
The question is about method overloading in Java.
Method overloading allows multiple methods with the same name but different parameters.
The method to be called is determined at compile-time based on the arguments passed.
In the given code, there are three overloaded methods with the same name 'getsum'.
The first method takes two integers as arguments.
The second method takes three integers as arguments.
The third method ta...
- Q11. Output of this program public static int floating(int x){ return x*floating(x-1); } public static void main(String[] args){ floating(10); }
- Ans.
The program will result in a StackOverflowError due to infinite recursion.
The 'floating' method is recursively calling itself without a base case to stop the recursion.
Each recursive call multiplies the input parameter by the result of the recursive call with a decremented parameter.
This will continue indefinitely until the stack overflows and an error is thrown.
- Q12. What is the output of this int i=0; int j=10;do{ if(i++ < --j){ } }while(i
- Ans.
The output of the code is 9.
The code initializes i as 0 and j as 10.
Inside the do-while loop, i is incremented by 1 and j is decremented by 1.
The loop continues until i becomes greater than or equal to j.
Since i is incremented before the comparison and j is decremented before the comparison, the loop runs 9 times.
Therefore, the output is 9.
Interview Preparation Tips
Skills evaluated in this interview
I was interviewed before Apr 2021.
(3 Questions)
Round duration - 60 minutes
Round difficulty - Easy
Technical Interview round with questions on CSS and Jquery mainly.
- Q1. What is the CSS box model?
- Ans.
The CSS box model is a design and layout concept that defines the structure and sizing of elements on a web page.
It consists of content, padding, border, and margin around an element.
Content area is where text and images are displayed.
Padding is the space between the content and the border.
Border is the line that goes around the padding and content.
Margin is the space outside the border.
Example: div { width: 200px; pad...
- Q2. How do you select all div elements using jQuery?
- Ans.
To select all div elements using jQuery, use the selector $('div').
Use the jQuery selector $('div') to select all div elements on the page.
You can also use the find() method to select div elements within a specific parent element.
To perform actions on the selected div elements, use jQuery methods like css(), text(), or addClass().
- Q3. How can you change the background color of all items in JavaScript?
- Ans.
You can change the background color of all items in JavaScript by selecting all elements and setting their background color property.
Select all elements using document.querySelectorAll()
Loop through the selected elements and set their style.backgroundColor property
Example: document.querySelectorAll('.item').forEach(item => item.style.backgroundColor = 'blue');
(4 Questions)
Round duration - 60 minutes
Round difficulty - Easy
Technical Interview round with questions on Java mainly.
- Q1. What are the uses of the final keyword in Java?
- Ans.
The final keyword in Java is used to define constants, prevent method overriding, and make a class immutable.
Final variables cannot be reassigned once initialized
Final methods cannot be overridden in subclasses
Final classes cannot be extended
- Q2. What is the Front Controller in Spring MVC?
- Ans.
Front Controller in Spring MVC is a design pattern that handles all requests and acts as a central point of control.
Front Controller is a servlet in Spring MVC that receives all requests and then dispatches them to the appropriate handlers.
It helps in centralizing request handling logic, improving code organization and reducing duplication.
Front Controller can perform tasks like authentication, logging, exception handl...
- Q3. What is the annotation for request mapping in Java?
- Ans.
The annotation for request mapping in Java is @RequestMapping.
@RequestMapping annotation is used to map web requests to specific handler methods in Spring MVC.
It can be applied at class level or method level to specify the URL path that the controller will handle.
You can also specify HTTP request methods, headers, parameters, and more using @RequestMapping.
- Q4. What is the annotation used for a controller in Java?
- Ans.
The annotation used for a controller in Java is @RestController.
Used to define a class as a controller in Spring MVC
Automatically serializes return objects into JSON/XML responses
Equivalent to @Controller + @ResponseBody annotations
Round duration - 30 minutes
Round difficulty - Easy
This was a typical HR round.
Interview Preparation Tips
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
Skills evaluated in this interview
I applied via LinkedIn and was interviewed in May 2021. There were 4 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Questions on the data structure and algorithms
- Q2. Questions on the database like MySQL and Cassandra
Interview Preparation Tips
I applied via Naukri.com and was interviewed before Dec 2021. There were 4 interview rounds.
(1 Question)
- Q1. Questions related to SAP BW and HANA
(1 Question)
- Q1. Questions related to SAP BW and HANA
(1 Question)
- Q1. Reason for Job Change
Interview Preparation Tips
Fractal offers good hike
I applied via Referral and was interviewed in Dec 2021. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. Spark, Hive, AWS, SQL
Interview Preparation Tips
Prepare your project well
I applied via Job Portal and was interviewed in Apr 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Basic js concepts
Interview Preparation Tips
I applied via Job Portal and was interviewed in Apr 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Basic concept of JS
Interview Preparation Tips
Selected
(1 Question)
- Q1. Basic mern stack question along with some coding question.
(1 Question)
- Q1. Same as round one. This one is in bit details.
(1 Question)
- Q1. Basic hr round. Lot of different aspect they gave.
Selected
I applied via Referral and was interviewed before Jan 2024. There were 3 interview rounds.
(1 Question)
- Q1. Gave case study based on java scheduler
(1 Question)
- Q1. Gave programming question to solve
(1 Question)
- Q1. Typical HR questions
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