Q5 Big Data Engineer M8 & M9

What is the primary role of Apache ZooKeeper?

• Real-time analytics

• Distributed coordination and synchronization

• Stream processing

• Data warehousing

In ZooKeeper, what is a znode?

• A node in a distributed file system

• A ZooKeeper cluster node

• A ZooKeeper configuration file

• A data node in Hadoop

Which of the following is NOT a property of ZooKeeper?

• Atomicity

• Consistency

• Molarity

• Durability

What is the purpose of a ZooKeeper ensemble?

• It is a group of connected clients.

• It is a collection of ZooKeeper servers forming a replicated cluster.

• It is a configuration file for ZooKeeper.

• It is a directory in the ZooKeeper tree structure

Apache Slider is primarily used for:

• Data ingestion

• Application packaging and deployment on YARN

• Real-time stream processing

• Data serialization

What does Slider use to package and deploy applications?

• Docker containers

• Apache HBase

• Application packages

• Apache ZooKeeper

Which Apache Hadoop component does Slider leverage for application deployment?

• HDFS

• YARN

• MapReduce

• Apache Hive

What is a Slider application package?

• A ZIP file containing the application code and dependencies

• A JSON file describing the application structure and dependencies

• A JAR file containing the entire application

• A Docker image of the application

Apache Knox is a gateway for:

• Hadoop clusters

• Apache Kafka clusters

• Apache Spark clusters

• Apache Flink clusters

What is the primary function of Apache Knox?

• Data storage in Hadoop

• Security and authentication for Hadoop clusters

• Real-time data processing

• Application deployment on YARN