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Big Data Analytics Real-Time Analytics and Streaming Data

Description: Big Data Analytics: Real-Time Analytics and Streaming Data
Number of Questions: 15
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Tags: big data analytics real-time analytics streaming data
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What is the primary goal of real-time analytics in big data?

  1. To analyze historical data for insights

  2. To process and analyze data as it is generated

  3. To predict future trends based on past data

  4. To store and manage large volumes of data


Correct Option: B
Explanation:

Real-time analytics aims to provide insights from data as soon as it is generated, enabling immediate decision-making and response to changing conditions.

Which technology is commonly used for real-time data processing in big data analytics?

  1. Batch processing

  2. In-memory computing

  3. MapReduce

  4. Data warehousing


Correct Option: B
Explanation:

In-memory computing allows data to be stored and processed in the computer's main memory, enabling faster processing and analysis of real-time data.

What is the main challenge associated with streaming data in big data analytics?

  1. Data inconsistency

  2. Data volume

  3. Data latency

  4. Data security


Correct Option: C
Explanation:

Streaming data poses the challenge of data latency, as it requires immediate processing and analysis to derive insights before the data becomes outdated.

Which data processing model is suitable for handling high-velocity and continuous data streams in real-time analytics?

  1. Batch processing

  2. Lambda architecture

  3. Kappa architecture

  4. Data warehousing


Correct Option: B
Explanation:

Lambda architecture is designed to handle both real-time and historical data processing, combining batch processing for historical data and real-time processing for streaming data.

What is the purpose of a stream processing engine in real-time analytics?

  1. To store and manage large volumes of data

  2. To analyze data in real-time

  3. To predict future trends based on historical data

  4. To visualize data for presentation


Correct Option: B
Explanation:

A stream processing engine is responsible for continuously ingesting, processing, and analyzing streaming data in real-time to extract insights and make immediate decisions.

Which technology is commonly used for visualizing real-time data analytics results?

  1. Spreadsheets

  2. Interactive dashboards

  3. Data warehouses

  4. Relational databases


Correct Option: B
Explanation:

Interactive dashboards provide a user-friendly and customizable interface for visualizing real-time data analytics results, allowing users to explore and analyze data in various ways.

What is the primary benefit of using real-time analytics in business decision-making?

  1. Improved data accuracy

  2. Reduced data storage costs

  3. Faster data processing

  4. Enhanced agility and responsiveness


Correct Option: D
Explanation:

Real-time analytics enables businesses to make informed decisions quickly based on the latest data, allowing them to adapt to changing market conditions and customer preferences more effectively.

Which industry is a prominent user of real-time analytics for fraud detection and prevention?

  1. Healthcare

  2. Manufacturing

  3. Retail

  4. Financial services


Correct Option: D
Explanation:

Real-time analytics is widely used in the financial services industry to detect and prevent fraud by analyzing transaction data in real-time and identifying suspicious patterns.

What is the main advantage of using Apache Kafka for real-time data streaming?

  1. High data storage capacity

  2. Real-time data analysis

  3. Batch data processing

  4. Data visualization


Correct Option: B
Explanation:

Apache Kafka is a popular distributed streaming platform that enables real-time data analysis by continuously ingesting, storing, and processing data streams.

Which technology is commonly used for real-time data integration in big data analytics?

  1. ETL (Extract, Transform, Load)

  2. Data warehousing

  3. Data mining

  4. Machine learning


Correct Option: A
Explanation:

ETL (Extract, Transform, Load) is a process used to integrate data from various sources into a unified format, enabling real-time data analysis and decision-making.

What is the primary challenge associated with managing streaming data in real-time analytics?

  1. Data inconsistency

  2. Data volume

  3. Data latency

  4. Data security


Correct Option: B
Explanation:

Managing streaming data in real-time analytics presents the challenge of handling large volumes of data continuously, requiring scalable and efficient data processing and storage solutions.

Which technology is commonly used for real-time data warehousing in big data analytics?

  1. Hadoop

  2. Spark

  3. Cassandra

  4. MongoDB


Correct Option: C
Explanation:

Cassandra is a popular NoSQL database known for its scalability, high availability, and real-time data processing capabilities, making it suitable for real-time data warehousing.

What is the main advantage of using Apache Storm for real-time data processing?

  1. High data storage capacity

  2. Real-time data analysis

  3. Batch data processing

  4. Data visualization


Correct Option: B
Explanation:

Apache Storm is a distributed real-time computation system that enables the processing of streaming data in real-time, allowing for immediate insights and decision-making.

Which technology is commonly used for real-time data visualization in big data analytics?

  1. Tableau

  2. Power BI

  3. Google Data Studio

  4. QlikView


Correct Option: A
Explanation:

Tableau is a popular data visualization tool that enables the creation of interactive dashboards and visualizations for real-time data analysis, providing insights and trends in an easy-to-understand format.

What is the primary benefit of using real-time analytics in customer relationship management (CRM)?

  1. Improved data accuracy

  2. Reduced data storage costs

  3. Faster data processing

  4. Enhanced customer experience and satisfaction


Correct Option: D
Explanation:

Real-time analytics in CRM enables businesses to understand customer behavior, preferences, and interactions in real-time, allowing them to provide personalized and proactive customer service, leading to enhanced customer experience and satisfaction.

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