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Infosys Technology Analyst Interview Questions and Answers
175 Interview questions
Configuring a firewall involves setting up rules to control incoming and outgoing network traffic.
Access the firewall settings through the control panel or security software.
Create rules to allow or block specific ports, IP addresses, or applications.
Regularly update firewall software to protect against new threats.
Test the firewall configuration to ensure it is working as intended.
Extension methods in MVC are static methods that allow adding new methods to existing types without modifying the original type.
Extension methods are defined as static methods in a static class.
They are used to extend the functionality of existing classes without modifying them.
Extension methods are called like regular instance methods.
Example: public static class StringExtensions { public static bool IsUpperCase(...
MVC folder structure includes Models, Views, and Controllers folders.
Models folder for data-related logic
Views folder for UI-related files
Controllers folder for handling user input and interaction
Object-oriented programming concepts in Java
Oops stands for Object-Oriented Programming
It includes concepts like classes, objects, inheritance, polymorphism, encapsulation
Helps in organizing code, making it more modular and reusable
Example: creating a class 'Car' with properties like 'make', 'model' and methods like 'drive', 'stop'
Async await is syntactic sugar for promises, making asynchronous code easier to read and write.
Async await allows writing asynchronous code that looks synchronous, making it easier to understand.
Promises are objects that represent the eventual completion or failure of an asynchronous operation.
Async await is built on top of promises and provides a more concise and readable way to work with asynchronous code.
Async ...
Event Loop is a mechanism in programming that allows for asynchronous execution of code by continuously checking for and executing tasks in a queue.
Event Loop is a key component of JavaScript's runtime environment.
It allows for non-blocking I/O operations, making it possible to handle multiple tasks simultaneously.
Tasks are added to the event queue and executed in the order they were added.
Event Loop ensures that ...
Callback hell is a situation in asynchronous programming where multiple nested callbacks make the code difficult to read and maintain.
Occurs when multiple asynchronous operations are nested within each other
Can lead to deeply nested code structure which is hard to understand
Can be mitigated by using promises, async/await, or libraries like async.js
A self join is when a table is joined with itself to compare rows within the same table.
Self join is used to compare rows within the same table.
It is useful when you want to compare data in the same table.
You need to use table aliases to distinguish between the two instances of the same table.
An interface is a point of interaction between components, allowing them to communicate and interact with each other.
Interfaces define a set of methods that a class must implement.
They provide a way to achieve abstraction and multiple inheritance in programming.
Interfaces are used to establish communication between different software components.
Examples include Java interfaces, which define a contract that impleme...
Joins in SQL are used to combine rows from two or more tables based on a related column between them.
Joins are used to retrieve data from multiple tables based on a related column
Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN
Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column
Infosys Technology Analyst Interview Experiences
286 interviews found
Anonymous
Selected
(1 Question)
- Q1. This is not good company they are firing with out information for employee even families also maintain they will not remove but fine one morthing employees not supporting to other colleges also so i just t...
(2 Questions)
- Q1. Its a good companies
- Q2. It's a good company
(1 Question)
- Q1. Its a good decision
Interview Preparation Tips
Zibreel Siddiqui
Selected
(2 Questions)
- Q1. What is boxing and unboxing
- Ans.
Boxing is the process of converting a value type to a reference type, while unboxing is the process of converting a reference type to a value type.
Boxing is done implicitly by the compiler when a value type is assigned to a reference type variable.
Unboxing requires an explicit cast from the reference type to the value type.
Boxing and unboxing can impact performance as they involve memory allocation and copying of data.
...
- Q2. What is garbage collection
- Ans.
Garbage collection is a process in programming where the system automatically reclaims memory occupied by objects that are no longer in use.
Garbage collection helps prevent memory leaks by automatically freeing up memory that is no longer needed.
It is commonly used in languages like Java, C#, and Python.
Garbage collection can be either automatic or manual, with automatic being the most common approach.
Examples of garba...
(2 Questions)
- Q1. What is mvc and razor
- Ans.
MVC stands for Model-View-Controller, a software architectural pattern. Razor is a markup syntax used in ASP.NET MVC.
MVC is a design pattern that separates an application into three main components: Model, View, and Controller
Razor is a markup syntax used in ASP.NET MVC to create dynamic web pages
MVC helps in organizing code and separating concerns, making it easier to maintain and test applications
- Q2. What is software development
- Ans.
Software development is the process of creating, designing, testing, and maintaining software applications.
Involves writing code to create software applications
Includes designing the user interface and user experience
Testing the software for bugs and errors
Maintaining and updating the software as needed
Selected
(2 Questions)
- Q1. What are the differences between ListView and RecyclerView in Android development?
- Ans.
ListView is a legacy view for displaying lists in Android, while RecyclerView is a more flexible and efficient replacement.
ListView is less efficient in terms of memory and performance compared to RecyclerView.
RecyclerView provides better performance by recycling views and separating the responsibilities of layout and data management.
RecyclerView supports more advanced features like animations and item decorations.
List...
- Q2. What are services and the work manager in the context of software development?
- Ans.
Services and work manager are components in software development that help manage background tasks and processes.
Services are components that run in the background to perform long-running operations without affecting the user interface.
Work manager is a library that helps manage background tasks efficiently, taking into account factors like battery life and network availability.
Services can be used for tasks like downl...
Selected
I applied via Job Portal
(1 Question)
- Q1. What is the method to combine multiple lists into a single list?
- Ans.
Use the extend() method in Python to combine multiple lists into a single list.
Use the extend() method to add elements from one list to another list.
Alternatively, you can use the + operator to concatenate lists.
Example: list1 = [1, 2, 3], list2 = [4, 5, 6], combined_list = list1 + list2
Selected
I applied via Naukri.com and was interviewed in Nov 2024. There were 2 interview rounds.
(2 Questions)
- Q1. OOPS, DI, Diff between Read-only and const
- Q2. Types of classes
- Ans.
Types of classes include abstract classes, concrete classes, interface classes, and inner classes.
Abstract classes cannot be instantiated and may contain abstract methods.
Concrete classes can be instantiated and provide implementations for all methods.
Interface classes define a contract for classes to implement.
Inner classes are classes defined within another class.
(2 Questions)
- Q1. Strength and weakness
- Q2. How do you handle difficult situations within a team?
- Ans.
I address difficult situations within a team by promoting open communication, seeking to understand all perspectives, and collaborating on solutions.
Promote open communication to address issues early on
Seek to understand all perspectives before making decisions
Collaborate with team members to find mutually beneficial solutions
- Q1. What are the high-level steps involved in cloning Oracle E-Business Suite R12.2? How can you change the application password in R12.2? If a tablespace reaches its space threshold, what steps can be taken t...
- Ans.
Cloning Oracle E-Business Suite R12.2 involves several key steps for replication and maintenance.
1. Prepare the source instance by ensuring it is in a stable state.
2. Create a backup of the source database and application files.
3. Use the Rapid Clone utility to clone the instance.
4. Update the configuration files for the new instance.
5. Run post-cloning scripts to finalize the setup.
6. Verify the cloned instance by per...
- Q2. If a tablespace reaches its space threshold, what steps can be taken to resolve the issue? Could you explain the various phases of the Application Development Operations (ADOP)? What actions should be take...
- Ans.
Steps to resolve tablespace issues and phases of ADOP in application development.
Monitor tablespace usage regularly to anticipate issues before they arise.
Increase the size of the tablespace by adding data files.
Archive or purge old data to free up space.
Implement partitioning to manage large tables more effectively.
Review and optimize database queries to reduce space consumption.
In ADOP, phases include: Prepare, Apply...
Manas Srivastava
I applied via Referral and was interviewed in Oct 2024. There were 2 interview rounds.
(2 Questions)
- Q1. JavaScript basics
- Q2. Angular authorization, RXJS, Interceptors
(1 Question)
- Q1. What are your expectations
- Ans.
I expect a challenging role that fosters growth, collaboration, and innovation in technology analysis.
Opportunities for professional development, such as training programs or workshops.
A collaborative work environment where team members share ideas and insights.
Involvement in innovative projects that push the boundaries of technology.
Clear communication from leadership regarding company goals and expectations.
A culture...
Selected
I applied via Naukri.com and was interviewed in Sep 2024. There was 1 interview round.
(3 Questions)
- Q1. Java 8 features
- Q2. Microservices framework
- Q3. OOPs concepts & multi threading
Interview Preparation Tips
sriram K
(2 Questions)
- Q1. Explain about kersal server?
- Ans.
Kersal server is a type of server used for hosting websites and applications.
Kersal server is known for its reliability and performance.
It is often used by businesses to host their websites and applications.
Kersal server offers features like high uptime, security, and scalability.
Examples of Kersal server providers include AWS, Google Cloud, and Microsoft Azure.
- Q2. What is dependency injection?
- Ans.
Dependency injection is a design pattern in which components are given their dependencies rather than creating them internally.
Dependency injection helps in achieving loose coupling between classes.
It allows for easier testing and maintenance of code.
There are three types of dependency injection: constructor injection, setter injection, and interface injection.
(2 Questions)
- Q1. What architecture are you using in your project?
- Ans.
We are using a microservices architecture in our project.
Decomposes the application into smaller, independent services
Each service is responsible for a specific function
Allows for scalability and flexibility
Example: Netflix, Amazon, Uber
- Q2. Acceptance criteria
Skills evaluated in this interview
shailaja ranga
(2 Questions)
- Q1. Difference between overloading and overriding?
- Ans.
Overloading is having multiple methods in the same class with the same name but different parameters. Overriding is having a method in a subclass with the same name and parameters as a method in the superclass.
Overloading involves multiple methods with the same name but different parameters.
Overriding involves a method in a subclass with the same name and parameters as a method in the superclass.
Overloading is resolved...
- Q2. How to implement MVC architecure?
- Ans.
MVC architecture is implemented by separating the application into Model, View, and Controller components.
Create models to represent data and business logic
Develop views to display the user interface
Write controllers to handle user input and update the model
Interview Preparation Tips
Skills evaluated in this interview
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