Hadoop Questions and Answers – Ambari with Hadoop

This set of Hadoop Multiple Choice Questions & Answers (MCQs) focuses on “Ambari with Hadoop”.

1. ___________ provides an intuitive, easy-to-use Hadoop management web UI backed by its RESTful APIs.
a) Oozie
b) Ambari
c) Hive
d) Imphala
View Answer

Answer: b
Explanation: The Apache Ambari project is aimed at making Hadoop management simpler by developing software for provisioning, managing, and monitoring Apache Hadoop clusters.

2. Point out the correct statement.
a) Ambari provides a dashboard for monitoring the health and status of the Hadoop cluster
b) Ambari provides a step-by-step wizard for installing Hadoop services across any number of hosts
c) Ambari handles configuration of Hadoop services for the cluster
d) All of the mentioned
View Answer

Answer: a
Explanation: Ambari provides central management for starting, stopping, and reconfiguring Hadoop services across the entire cluster.

3. Ambari leverages ________ for metrics collection.
a) Nagios
b) Nagaond
c) Ganglia
d) All of the mentioned
View Answer

Answer: c
Explanation: Ganglia is a scalable distributed monitoring system for high-performance computing systems such as clusters and Grids.

4. Ambari leverages ___________ for system alerting and will send emails when your attention is needed.
a) Nagios
b) Nagaond
c) Ganglia
d) All of the mentioned
View Answer

Answer: a
Explanation: Nagios Is The Industry Standard In IT Infrastructure Monitoring.

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5. Point out the wrong statement.
a) Ambari Views framework was greatly improved to better support instantiating and loading custom views
b) The Ambari shell is written is Java, and uses the Groovy bases Ambari REST client
c) Ambari-Shell is distributed as a single-file executable jar
d) None of the mentioned
View Answer

Answer: d
Explanation: The uber jar is generated with the help of spring-boot-maven-plugin.

6. A ________ is a way of extending Ambari that allows 3rd parties to plug in new resource types along with the APIs.
a) trigger
b) view
c) schema
d) none of the mentioned
View Answer

Answer: b
Explanation: A view is an application that is deployed into the Ambari container.

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7. Ambari ___________ deliver a template approach to cluster deployment.
a) View
b) Stack Advisor
c) Blueprints
d) All of the mentioned
View Answer

Answer: c
Explanation: Ambari Blueprints deliver a template approach to cluster deployment.

8. ___________ facilitates installation of Hadoop across any number of hosts.
a) API-driven installations
b) Wizard-driven interface
c) Extensible framework
d) All of the mentioned
View Answer

Answer: b
Explanation: Extensible framework brings custom services under management via Ambari Stacks.

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9. Ambari provides a ________ API that enables integration with existing tools, such as Microsoft System Center.
a) RestLess
b) Web Service
c) RESTful
d) None of the mentioned
View Answer

Answer: c
Explanation: RESTful APIs enables integration with enterprise systems.

10. If Ambari Agent has any output in /var/log/ambari-agent/ambari-agent.out, it is indicative of a __________ problem.
a) Less Severe
b) Significant
c) Extremely Severe
d) None of the mentioned
View Answer

Answer: b
Explanation: Ambari enables system administrators to provision, manage and monitor a Hadoop cluster, and also to integrate Hadoop with the existing enterprise infrastructure.

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If you find a mistake in question / option / answer, kindly take a screenshot and email to [email protected]

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Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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