WEN Energy Systems Interview Questions and Answers

Artificial Intelligence (AI) will stand on top in the future.

• AI is already being used in various industries such as healthcare, finance, and transportation.

• AI has the potential to automate repetitive tasks and improve efficiency.

• AI can also help in making better decisions by analyzing large amounts of data.

• AI is constantly evolving and improving, making it a promising technology for the future.

A database is a collection of data that is organized in a way that allows for efficient storage, retrieval, and manipulation.

• Data is stored in tables with rows and columns

• Each table has a unique identifier called a primary key

• Data can be queried using SQL (Structured Query Language)

• Examples of databases include MySQL, Oracle, and MongoDB

Information security refers to the protection of data from unauthorized access, use, disclosure, disruption, modification, or destruction.

• It involves implementing measures to ensure confidentiality, integrity, and availability of data

• Examples include firewalls, encryption, access controls, and security audits

• Information security is important for protecting sensitive data such as personal information, financial data, and intellectual property

Cloud computing is the delivery of computing services over the internet, including storage, databases, networking, software, and more.

• Cloud computing allows users to access resources on-demand without the need for physical infrastructure.

• Examples of cloud computing services include Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform.

• Cloud computing offers scalability, flexibility, and cost-effectiveness for businesses and individuals.

• Types of cloud computing...read more

The 3 platforms of Cloud Computing are IaaS, PaaS, and SaaS.

• IaaS (Infrastructure as a Service) - Provides virtualized computing resources over the internet, such as virtual servers and storage.

• PaaS (Platform as a Service) - Offers a platform allowing customers to develop, run, and manage applications without the complexity of building and maintaining the infrastructure.

• SaaS (Software as a Service) - Delivers software applications over the internet on a subscription basis, eli...read more

OOPS (Object-Oriented Programming) features include encapsulation, inheritance, polymorphism, and abstraction.

• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Ability to create a new class that inherits attributes and methods from an existing class.

• Polymorphism: Ability to use a single interface to represent different data types or objects.

• Abstraction: Hiding the complex implementation details and showing only the neces...read more

Java is a high-level, object-oriented programming language used to develop applications for various platforms.

• Java is platform-independent, meaning it can run on any operating system

• It is used to develop web applications, mobile apps, desktop applications, and more

• Java code is compiled into bytecode, which can be run on a Java Virtual Machine (JVM)

• Java has a vast library of pre-built classes and APIs for developers to use

• Examples of popular Java-based applications include Min...read more

DBMS stands for Database Management System, which is a software system that allows users to define, create, maintain and control access to databases. SQL stands for Structured Query Language, which is a standard language for accessing and manipulating databases.

• DBMS is a software system that allows users to define, create, maintain and control access to databases

• SQL is a standard language for accessing and manipulating databases

• DBMS examples include MySQL, Oracle, SQL Server

• S...read more