Qhub Interview Questions and Answers

Program Manager interview questions on data centers, project situations, tools, and migration activities.

• Yes, I have exposure to data centers and have managed projects related to data center infrastructure.

• The toughest project situation was when we had to complete a project within a tight deadline and faced unexpected technical issues. I resolved it by working closely with the team and prioritizing tasks.

• I use tools like Jira, Trello, and Asana to manage my projects.

• For infra...read more

Java 1.8 introduced lambda expressions, default methods, and functional interfaces.

• Lambda expressions allow functional programming in Java.

• Default methods allow adding new methods to interfaces without breaking existing implementations.

• Functional interfaces are interfaces with a single abstract method, used for lambda expressions.

• Stream API for processing collections and arrays.

• Date and Time API for easier handling of date and time.

• Nashorn JavaScript engine for running JavaSc...read more

Spring Boot advanced features include auto-configuration, actuator, and data access.

• Auto-configuration: automatically configures the application based on dependencies

• Actuator: provides endpoints for monitoring and managing the application

• Data access: provides support for various data sources and ORM frameworks

CRUD stands for Create, Read, Update, and Delete. These are the basic operations performed on a database.

• Create - Inserting new data into the database

• Read - Retrieving data from the database

• Update - Modifying existing data in the database

• Delete - Removing data from the database

• CRUD operations are essential for any application that interacts with a database

Restful architecture is a design pattern for web services that uses HTTP requests to access and manipulate data.

• Uses HTTP methods like GET, POST, PUT, DELETE to perform CRUD operations

• Resources are identified by URIs

• Responses are in JSON or XML format

• Stateless communication between client and server

• Caching can be implemented for better performance