Connectwise India Software Engineer Interview Questions and Answers

Q1. Interview went really well but I am not sure why they rejected me at very first round. First interviewer asked me me about my tech stack and current project, she asked me total 4-5 programs I solve them a...read more
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Q2. What is your project architecture?
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Q3. How do you handle exceptions in your current project, types of exceptions
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Q4. Differencem between singly and doubly linked list
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Q5. What is static, finally, super keywords
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Q6. What is polymorphism and types
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Q7. Microservice architecture and how do you call one service from another service
Ans. 
Microservice architecture involves breaking down a large application into smaller, independent services. Services can communicate with each other through APIs.
• Microservice architecture breaks down a large application into smaller, independent services that can be developed, deployed, and scaled independently.

• Services communicate with each other through APIs, typically using HTTP/REST or messaging protocols like RabbitM...read more
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Q8. Docker, Kubernetes, multuthreding
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Q9. Types of exceptions with example
Ans. 
Types of exceptions include checked and unchecked exceptions.
• Checked exceptions are checked at compile time, like IOException.

• Unchecked exceptions are not checked at compile time, like NullPointerException.
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Q10. Java 8 features like functional interface, method reference, optional and all
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Q1. 1. Asked questions on java, streams api, spring boot basics, core java concepts like inheritance, transient keyword 2. Asked questions on golang
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Q2. 3. Basic DSA on arrays
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Q3. Write code to swap elements in array,use go
Ans. 
Code to swap elements in array using Go
• Create a function that takes in an array of strings and two indices to swap

• Use a temporary variable to store one of the elements before swapping

• Update the array with the elements swapped
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Q1. The interview was pretty much straight forward which includes .net, azure, cicd pipeline, and SQL questions.
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Q2. OOPs concepts and difference between abstraction vs encapsulation
Ans. 
Abstraction focuses on what an object does, while encapsulation focuses on how it does it.
• Abstraction is the process of hiding complex implementation details and showing only the necessary information to the user.

• Encapsulation is the process of wrapping data and methods into a single unit, preventing direct access to the data from outside the unit.

• Abstraction is achieved through abstract classes and interfaces.

• Encapsul...read more
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Q3. SOLID priciple with example
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Q4. Indexes in sql, temp table, query to get first and last employee records
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Q1. The interviewer asked to explain your previous projects and will try to add questions on it.
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Q2. Explain your current project
Ans. 
I am currently working on developing a mobile application for tracking personal fitness goals.
• Developing a mobile application

• Tracking personal fitness goals

• Implementing features like goal setting, progress tracking, and workout logging

• Using technologies like React Native, Firebase, and Redux
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Q3. What you do to find out issue in code
Ans. 
I use a combination of debugging tools and techniques to identify and resolve issues in code.
• I start by reproducing the issue and identifying the scope of the problem.

• I use debugging tools like breakpoints, logging, and tracing to narrow down the issue.

• I review the code and documentation to understand the expected behavior.

• I collaborate with team members to get a fresh perspective and brainstorm solutions.

• I test and va...read more
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Q4. Unit test related question
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Q5. How to improve query performance
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Q6. Middleware and how it works
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Middleware is software that connects different applications or systems together.
• Middleware acts as a bridge between different applications or systems

• It provides a common platform for communication and data exchange

• Examples of middleware include message queues, API gateways, and ESBs
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Q7. Dependency injection, and compare it with concrete class
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Dependency injection is a design pattern that allows objects to be passed as dependencies rather than being created within a class.
• Dependency injection promotes loose coupling and makes code more testable.

• Concrete classes are tightly coupled and can be difficult to test.

• Dependency injection can be achieved through constructor injection, setter injection, or interface injection.

• Example: A class that requires a database ...read more
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Q8. Transient vs scope difference
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Transient variables are not serialized, while scoped variables are.
• Transient variables are not saved when an object is serialized and deserialized.

• Scoped variables are saved when an object is serialized and deserialized.

• Transient variables are used to indicate that a variable should not be serialized.

• Scoped variables are used to indicate that a variable should be serialized.
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Q1. Final round with the client where TL and manager interact with you, they explain their project. and try to ask question accordingly
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Q2. A string reverse code to write and then ask to explain steps plus asked if i can improve its execution time.
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Q3. Temp table vs cte in sql
Ans. 
Temp tables are physical tables created in tempdb while CTEs are temporary result sets.
• Temp tables are useful for storing intermediate results and can be indexed.

• CTEs are useful for simplifying complex queries and can be recursive.

• Temp tables require more resources and can cause contention in tempdb.

• CTEs are limited to the scope of a single query.

• Example: CREATE TABLE #temp (id INT); WITH cte AS (SELECT id FROM table) ...read more
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Regarding previous experience

Q1. Regarding your technical experience about the technology & tools
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Q2. They will ask you the technical scenario & check your skills
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