BIT_QUIZ_Hadoop

What does the 'Variety' aspect of Big Data refer to?

• The amount of data being generated

• The speed at which data is produced

• The types and formats of data

• The correctness of data

Which of the following is used in Hadoop for distributed storage?

• Hive

• HDFS

• YARN

• Spark

Which technology enables resource management in a Hadoop cluster?

• MapReduce

• YARN

• HDFS

• Pig

What is Apache Spark primarily known for?

• Real-time processing using batch jobs

• Disk-based computation 

• Resource management

• In-memory computation for fast analytics

What does MapReduce do in the Hadoop ecosystem?

• Manages job execution

• Provides data security

• Splits and processes large data sets in parallel

• Stores data

What is the purpose of Apache Zookeeper?

• Coordinates and manages distributed applications

• Stores massive unstructured data

• In-memory computation

• Provides SQL support

Why is traditional RDBMS not suitable for Big Data?

• It lacks GUI

•  It cannot support SQL

• It fails to handle large volume, variety, and velocity of data

• It is open-source

A research lab is storing high-resolution satellite images, videos, and sensor data from different instruments. What Big Data characteristic does this scenario highlight?

• Volume

• Variety

• Velocity

• Veracity

You are developing a healthcare monitoring system using wearable sensors that stream data continuously. Which Big Data technologies should you consider for processing this stream?

• Spark Streaming and Kafka

• Hive and Pig

• HDFS and MapReduce

• Cassandra and ZooKeeper 

Which of the following is a NoSQL database suitable for handling unstructured data?

• Oracle

• Hive

• Cassandra

• MySQL