Hadoop Questions and Answers – Hadoop Libraries – 2

This set of Interview Questions & Answers focuses on “Hadoop Libraries – 2”.

1. Which of the following is java-based tool for tracking, resolving and managing project dependencies?
a) jclouds
b) JDO
c) ivy
d) All of the mentioned
View Answer

Answer: c
Explanation: jclouds is a cloud agnostic library that enables developers to access a variety of supported cloud providers using one API.

2. Point out the correct statement.
a) Jena is Java framework for building Semantic Web applications
b) JSPWiki is Java-based wiki engine
c) jUDDI is implementation of a Universal Description Discovery and Integration (UDDI) registry
d) All of the mentioned
View Answer

Answer: d
Explanation: jUDDI is a web service.

3. Which of the following are Content Management and publishing system based on Cocoon?
a) LibCloud
b) Kafka
c) Lenya
d) All of the mentioned
View Answer

Answer: c
Explanation: Kafka is a distributed publish-subscribe system for processing large amounts of streaming data.

4. __________ is used for Logging for .NET framework.
a) log4net
b) logphp
c) Lucene.NET
d) All of the mentioned
View Answer

Answer: c
Explanation: Lucene.NET is a source code, class-per-class, API-per-API and algorithmic port of the Java.

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5. Point out the wrong statement.
a) Lucy is loose port of the Lucene search engine library, written in C and targeted at dynamic language users
b) Manifold Connector Framework consist of connectors for content repositories like Sharepoint, Documentum, etc
c) Marmotta is an open implementation of a Linked Data Platform
d) None of the mentioned
View Answer

Answer: d
Explanation: Marmotta is incubator developed by Fabian Christ.

6. __________ is a cluster manager that provides resource sharing and isolation across cluster applications.
a) Merlin
b) Mesos
c) Max
d) Merge
View Answer

Answer: b
Explanation: Merlin eclipse plugin is merged with an existing eclipse plugin already at avalon.

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7. Which of the following is a data access framework?
a) Merge
b) Lucene.NET
c) MetaModel
d) None of the mentioned
View Answer

Answer: c
Explanation: MetaModel provides a common interface for exploration and querying of different types of datastores.

8. __________ is a library to support unit testing of Hadoop MapReduce jobs.
a) Myfaces
b) Muse
c) modftp
d) None of the mentioned
View Answer

Answer: d
Explanation: MRUnit is a library to support unit testing of Hadoop MapReduce jobs.

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9. Which of the following is a robust implementation of the OASIS WSDM?
a) Myfaces
b) Muse
c) modftp
d) None of the mentioned
View Answer

Answer: b
Explanation: Muse uses Web Services (MuWS) specifications.

10. __________ is a framework for building Java Server application GUIs.
a) Myfaces
b) Muse
c) Flume
d) BigTop
View Answer

Answer: a
Explanation: Myfaces is based on JavaServer Faces (certified implementation of JSR-127).

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To practice all interview questions and answers on Hadoop Libraries, here is complete set of 1000+ Multiple Choice Questions and Answers.

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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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