EPAM Systems Full Stack Software Developer Interview Questions and Answers

There will be 30 mcq and 30 min time will be given.

The test will be completely tough and if you clear thr test make sure you are fit for the job.

Q1. There will be two technical interviews, the interviewer takes your resume and go through it and asks completely what you mentioned in your resume. He may asks to write few codes by providing laptops. Whi...read more
Add your answer
Q2. Questions related to what you mentioned in resume and type of role that you opted for job.
Add your answer

Q1. Here all question related to your behavior, thinking capability, strengths etc...
Add your answer
Q2. Questions like puzzles etc..
Add your answer

For a fresher there will be aptitude interview

Q1. There will be technical questions in the round 2
Add your answer
Q2. 1.What is jvm jre and jdk 2.what is null and its value 3.what is pass by reference 4.what is regular expression
Ans. 
1. JVM is a virtual machine that executes Java bytecode. JRE is a runtime environment that includes JVM and libraries. JDK is a development kit that includes JRE and tools for developing Java applications. 2. Null is a special value that represents the absence of a value. Its value is typically used to indicate that a variable does not refer to any object. 3. Pass by reference is a method of parameter passing where the...read more
Answered by AI
Add your answer

Q1. Where are Logic App logs stored?
Ans. 
Logic App logs are stored in Azure Monitor Logs (formerly known as Log Analytics).
• Logic App logs are stored in Azure Monitor Logs, which is a centralized log storage and analytics service in Azure.

• Logs can be viewed and analyzed using Azure Monitor Logs queries.

• Logs can also be integrated with other Azure services for monitoring and alerting purposes.
Answered by AI
Add your answer
Q2. How to get the 5th top position data in Sql?
Ans. 
Use the OFFSET and FETCH clauses in SQL to get the 5th top position data.
• Use the ORDER BY clause to sort the data in descending order.

• Use the OFFSET clause to skip the first 4 rows.

• Use the FETCH clause to retrieve only the next row after skipping the first 4 rows.
Answered by AI
Add your answer
Q3. How do you implement custom middleware in .net core?
Ans. 
Custom middleware in .NET Core can be implemented by creating a class that implements the IMiddleware interface and adding it to the application pipeline.
• Create a class that implements the IMiddleware interface

• Implement the InvokeAsync method in the middleware class to handle the request processing logic

• Add the custom middleware to the application pipeline in the Configure method of the Startup class
Answered by AI
Add your answer
Q4. Explain Authentication & Authorization in asp.net core?
Ans. 
Authentication verifies the identity of a user, while authorization determines what resources a user can access.
• Authentication confirms the identity of a user through credentials like username and password.

• Authorization determines the permissions and access levels of a user based on their authenticated identity.

• In ASP.NET Core, authentication is handled through middleware like Identity, OAuth, or JWT tokens.

• Authorizati...read more
Answered by AI
Add your answer
Q5. Explain session management in asp.net core?
Ans. 
Session management in ASP.NET Core involves storing and retrieving user-specific data during a user's visit to a website.
• Session data is stored on the server side by default in ASP.NET Core

• Session data can be accessed and manipulated using the HttpContext.Session property

• Session data can be configured to use different storage providers such as in-memory, distributed cache, or SQL Server

• Session data is typically used to...read more
Answered by AI
Add your answer

Q1. What is Dependency injection
Add your answer
Q2. What is middleware
Add your answer

Q1. Project based questions
Add your answer

Q1. Salaru neogiation
Add your answer

Q1. Cache implementation in spring boot
Ans. 
Spring Boot provides support for caching through annotations like @Cacheable, @CacheEvict, @CachePut.
• Use @EnableCaching annotation to enable caching in Spring Boot application

• Use @Cacheable annotation to cache the result of a method

• Use @CacheEvict annotation to remove entries from the cache

• Use @CachePut annotation to update the cache without interfering with the method execution
Answered by AI
Add your answer
Q2. Few coding questions
Add your answer

There are 4 coding questions in first round

Q1. Some basic statistics questions and data structure questions
Add your answer

Q1. Questions on full stack Devlopment
Add your answer
Q2. Questions asked on React,Nodejs
Add your answer

There will be machin test on best on MERN stack

1)Driffience between Abstract class &
Interface.
-abstract class
represents property
&
behaviour of an object
whereas
interface
represents
behaviour
of an object.
2)Driffience between equal() vs ==operator.
equal() is
an object class method
whereas
equal() of string class
override
the object class equal().
3)can we use pointer's in Java.
Not explicitly but implicitly we can use pointer's in java.
Dynamic m/m refers with help of pointer's but java does not support the pointer's.
when we r creating an object in java refrence varaible of an object holds the identity that is nothing but an implicit pointer that holds an unique identity of an object.
4)How we can print object ID.
-Object ID printed with help of object class which is a service provider class having 9().
5)what is object class.
-it is a super class of all predefined & userdefined class.
6)Write a prog to get name of main thread in java.
-class A
{
psvm(String args [])
{
s.o.pln(Thread.currentThread().getName());
}
}
7)length vs length()
-length
is
data menmber
of proxy class
whereas
length() is a string class().

Q1. Explain JVM in ur own language.
Ans. 
JVM is an abstract machine that executes Java bytecode.
• JVM stands for Java Virtual Machine.

• It is responsible for interpreting and executing Java bytecode.

• JVM provides platform independence to Java programs.

• It has its own memory management system and garbage collector.

• JVM can be implemented on different operating systems.

• Examples of JVM languages include Java, Kotlin, and Scala.
Answered by AI
Add your answer
Q2. Exlplaing Multhreading.
Add your answer