Connectwise India Interview Questions, Process, and Tips

Q1. How many promise method you know?
Ans. 
There are several promise methods in JavaScript, including .then(), .catch(), .finally(), and more.
• Common promise methods include .then(), .catch(), and .finally()

• Other promise methods include .all(), .race(), and .resolve()

• Examples: promise.then(), promise.catch(), promise.finally()
Answered by AI
Add your answer
Q2. What are closures?
Ans. 
Closures are functions that have access to variables from their outer scope even after the outer function has finished executing.
• Closures allow functions to access variables from their parent function's scope

• They maintain references to their outer scope even after the outer function has finished executing

• Closures are commonly used in event handlers and callbacks
Answered by AI
Add your answer

Q1. Duplicates in an array
Ans. 
Find and remove duplicates in an array of strings
• Iterate through the array and use a Set to keep track of unique elements

• Check if each element is already in the Set, if so, remove it from the array
Answered by AI
Add your answer
Q2. Golang general questions
Add your answer

Q1. What is your roles and responsibilities?
Add your answer

Q1. All the basic questions and they ask to write basic c# program based on array or any logical program
Add your answer
Q2. Design patterns
Add your answer
Q3. How Authentication ams Authorisation is done
Ans. 
Authentication is the process of verifying the identity of a user, while authorization is the process of determining what resources a user can access.
• Authentication can be done using various methods such as username/password, tokens, or biometrics.

• Authorization involves assigning roles or permissions to users based on their identity.

• Authentication and authorization are often implemented using frameworks like OAuth or J...read more
Answered by AI
Add your answer
Q4. Program writing
Add your answer
Q5. Sql queries to find 3rd highest salary
Ans. 
Use SQL query with ORDER BY and LIMIT to find 3rd highest salary
• Use ORDER BY clause to sort salaries in descending order

• Use LIMIT 2,1 to skip first two highest salaries and get the third highest salary
Answered by AI
Add your answer

Q1. Some questions about past experience, some about coding knowledge and a live coding question for exceptional handling
Add your answer
Q2. What are middlewares
Ans. 
Middlewares are software components that act as a bridge between different applications or systems, facilitating communication and data exchange.
• Middlewares help in managing communication between different software components

• They can provide additional functionalities such as authentication, logging, and error handling

• Examples include Express.js middleware in Node.js applications and middleware in web servers like Apac
Answered by AI
Add your answer
Q3. What is dependency injection
Ans. 
Dependency injection is a design pattern in which a class receives its dependencies from external sources rather than creating them itself.
• Allows for easier testing by injecting mock dependencies

• Promotes loose coupling between classes

• Improves code reusability and maintainability

• Commonly used in frameworks like Spring in Java
Answered by AI
Add your answer
Q4. Situational questions regarding issue solving.
Add your answer

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
Add your answer
Q2. What is your project architecture?
Ans. 
My project architecture follows a microservices design pattern with a combination of front-end and back-end technologies.
• Utilizes microservices design pattern

• Combination of front-end and back-end technologies

• Uses RESTful APIs for communication between services
Answered by AI
Add your answer
Q3. How do you handle exceptions in your current project, types of exceptions
Add your answer
Q4. Differencem between singly and doubly linked list
Ans. 
Singly linked list has one pointer in each node pointing to the next node, while doubly linked list has two pointers - one pointing to the next node and one pointing to the previous node.
• Singly linked list is more memory efficient as it only requires one pointer per node.

• Doubly linked list allows for traversal in both directions, while singly linked list only allows traversal in one direction.

• Insertions and deletions a...read more
Answered by AI
Add your answer
Q5. What is static, finally, super keywords
Ans. 
Keywords used in Java programming language
• static keyword is used to create class-level variables and methods

• finally keyword is used in exception handling to define a block of code that will always be executed

• super keyword is used to refer to the superclass of the current object
Answered by AI
Add your answer
Q6. What is polymorphism and types
Ans. 
Polymorphism is the ability of a function or method to behave differently based on the object it is called with.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• Types of polymorphism include compile-time (method overloading) and runtime (method overriding) polymorphism.

• Example: Animal superclass with subclasses Dog and Cat. Both Dog and Cat can be treated as Animals.
Answered by AI
Add your answer
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
Answered by AI
Add your answer
Q8. Docker, Kubernetes, multuthreding
Add your answer
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.
Answered by AI
Add your answer
Q10. Java 8 features like functional interface, method reference, optional and all
Add your answer

3 DSA Questions on Normal Fundamentals

Q1. Computer Subject related Medium level Questions
Add your answer
Q2. Array for stack
Ans. 
An array of strings can be used to implement a stack data structure.
• Use an array to store the elements of the stack.

• Keep track of the top of the stack using an index variable.

• Push elements onto the stack by adding them to the end of the array.

• Pop elements from the stack by removing the element at the top of the array.
Answered by AI
Add your answer