What is the primary use case for Apache Oozie?

Real-time data streaming and messaging

Distributed coordination and configuration management

Provisioning, managing, and monitoring Hadoop clusters

Workflow scheduling and coordination of Hadoop jobs

In the MapReduce model, what is the role of the 'reduce' phase?

To aggregate or summarize the intermediate results produced by the map phase

To store the final output in HDFS

To schedule tasks across the cluster

To read the input data and split it into key-value pairs

A team is building a distributed application on Hadoop that requires leader election and configuration synchronization across multiple nodes. They also need to store metadata for a large table that will be accessed by many clients. Which two components should they use?

Kafka for coordination and MapReduce for the table

YARN for coordination and Pig for the table

HDFS for coordination and Hive for the table

ZooKeeper for coordination and HBase for the table

Dell Data Science Foundations

Domain 5Objective 3

Describe the Hadoop Ecosystem and Related Product Use Cases DATA-SCIENCE-FOUNDATIONS Practice Questions (Page 1)

Part of the Advanced Analytics for Big Data - Technology and Tools domain, which accounts for 22% of the DATA-SCIENCE-FOUNDATIONS exam.

51questions here

11free pages

16concepts

22%of the exam

Questions 1–5

1foundation · easy
What is the primary use case for Apache Oozie?
Select an answer first
2expert · hard
A large Hadoop cluster is experiencing intermittent job failures and configuration inconsistencies across nodes. The team suspects that distributed coordination is not working correctly. Which component should they investigate first?
Select an answer first
3foundation · easy
In the MapReduce model, what is the role of the 'reduce' phase?
Select an answer first
4expert · hard
A team is building a distributed application on Hadoop that requires leader election and configuration synchronization across multiple nodes. They also need to store metadata for a large table that will be accessed by many clients. Which two components should they use?
Select an answer first
5application · medium
A company is expanding its Hadoop cluster and needs to add new nodes and services. They want a centralized tool to manage configuration, start/stop services, and monitor cluster health. Which tool should they use?
Select an answer first

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Describe the Hadoop Ecosystem and Related Product Use Cases DATA-SCIENCE-FOUNDATIONS Practice Questions (Page 1)

Questions 1–5

What is the primary use case for Apache Oozie?

A large Hadoop cluster is experiencing intermittent job failures and configuration inconsistencies across nodes. The team suspects that distributed coordination is not working correctly. Which component should they investigate first?

In the MapReduce model, what is the role of the 'reduce' phase?

A team is building a distributed application on Hadoop that requires leader election and configuration synchronization across multiple nodes. They also need to store metadata for a large table that will be accessed by many clients. Which two components should they use?

A company is expanding its Hadoop cluster and needs to add new nodes and services. They want a centralized tool to manage configuration, start/stop services, and monitor cluster health. Which tool should they use?

Keep studying — Advanced Analytics for Big Data - Technology and Tools