What is Hadoop, and what are its key components? Explain the Hadoop Distributed File System (HDFS) architecture. What is MapReduce, and how does it work in Hadoop? What are the differences between Hadoop 1.x and Hadoop 2.x (YARN)? How do you install and configure Hadoop on a cluster? What is the purpose of Hadoop streaming? …
What is Blue Prism, and what are its key features? Explain the difference between Blue Prism and other robotic process automation (RPA) tools. What are the components of Blue Prism architecture? How do you create a process in Blue Prism? What is a “process studio” in Blue Prism, and how is it used? Explain the …
What is data science, and what are its key components? Explain the differences between supervised learning, unsupervised learning, and reinforcement learning. What is the difference between classification and regression in machine learning? How do you handle missing values and outliers in a dataset? What is feature engineering, and why is it important in machine learning? …
What is Selenium, and what are its key components? Explain the differences between Selenium WebDriver, Selenium IDE, and Selenium Grid. How do you install and configure Selenium WebDriver? What are the advantages of using Selenium for automated testing? Explain the difference between implicit wait, explicit wait, and fluent wait in Selenium. How do you locate …
What is Microsoft Azure, and what services does it offer? Explain the difference between Azure Resource Manager (ARM) and classic deployment model. What is the Azure Portal, and how do you navigate and manage resources through it? What are the core components of Azure architecture? How does Azure pricing work? What are the factors that …
What is Angular? How does it differ from AngularJS? Explain the architecture of an Angular application. What are the key features of Angular? What is TypeScript, and why is it used with Angular? What is the purpose of Angular CLI, and how do you use it? Explain the difference between NgModule and NgModule metadata in …
What is Python, and what are its key features? Explain the differences between Python 2 and Python 3. How does Python handle memory management? What are Python decorators, and how do you use them? Explain the difference between list and tuple in Python. What is the purpose of the __init__ method in Python classes? How …
What is React.js, and what are its key features? Explain the difference between functional components and class components in React. What is JSX? How does it differ from HTML? What are props in React? How are they used? What is state in React? How is it different from props? Explain the component lifecycle methods in …
1. What are the differences between JDK, JRE, and JVM? 2. Explain the difference between an abstract class and an interface. 3. What is the difference between checked and unchecked exceptions in Java? 4. What is the purpose of the final keyword in Java? How is it used? 5. How does garbage collection work in …
Chatbots: Chatbots use AI to engage with customers in real-time conversations on websites, social media platforms, or messaging apps. Tools like Chatfuel, ManyChat, and Drift enable marketers to create and deploy chatbots for various purposes, such as customer support, lead generation, and sales assistance. Predictive Analytics: Predictive analytics tools use AI algorithms to analyze data …
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