Related Topics Big Data Question 34 What is data quality and why is it important in Big Data? Answer Introduction: Data quality refers to the accuracy, completeness, consistency, reliability, and timeliness of data. It is an essential aspect of data management and analytics, as high-quality data is crucial for making informed decisions, generating insights, and achieving […]
Related Topics Big Data Question 30 What is a data lake and what role does it play in Big Data? Answer Introduction : A data lake is a large and centralized repository that stores all types of raw data, both structured and unstructured, in its native format. It is designed to store massive amounts of
Related Topics Big Data Question 27 What is deep learning and how is it related to Big Data? Answer Introduction: Deep learning is a subset of machine learning that involves building artificial neural networks with multiple layers. These neural networks can learn to recognize patterns and relationships in data, and make predictions or decisions based
Related Topics Big Data Question 25 What is the difference between batch processing and real-time processing in Big Data? Answer Batch processing and real-time processing are two different approaches for handling data in Big Data applications. The main difference between batch processing and real-time processing is the timing of data processing. Batch processing refers to
Related Topics Big Data Question 22 What is HBase and how is it used in Big Data? Answer Introduction : HBase is an open-source NoSQL database that is designed to provide random and real-time access to Big Data stored in Hadoop Distributed File System (HDFS). It is part of the Apache Hadoop ecosystem and is
Related Topics Big Data Question 19 What is YARN and what role does it play in Hadoop? Answer Introduction : YARN (Yet Another Resource Negotiator) is a component of the Apache Hadoop ecosystem that is responsible for managing the resources and scheduling the tasks of Hadoop applications. It is a cluster management technology that enables
Related Topics Big Data Question 16 What is Flume and how is it used in Big Data? Answer Introduction: Apache Flume is a distributed, reliable, and scalable system for collecting, aggregating, and moving large amounts of data from various sources to a centralized location in a Big Data ecosystem. It is a popular open-source tool
Related Topics Big Data Question 13 What is Apache Spark and how does it compare to Hadoop MapReduce? Answer Introduction : Apache Spark is an open-source big data processing engine that provides fast, in-memory data processing. It is designed to support a wide range of data processing use cases, including batch processing, stream processing, machine learning,
Related Topics Big Data Question 10 What are NoSQL databases and how are they different from traditional relational databases? Answer Introduction: NoSQL databases are a type of database that are designed to handle unstructured and semi-structured data. Unlike traditional relational databases, which use a table-based data model, NoSQL databases use a variety of data models, including
Related Topics Big Data Question 7 Describe the architecture of a Big Data system? Answer A Big Data system typically consists of multiple layers, each responsible for a specific task. Here is a high-level overview of the architecture of a Big Data system: Data Sources: This layer is responsible for collecting data from various sources,
