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
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
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
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
Explanation: Lucene.NET is a source code, class-per-class, API-per-API and algorithmic port of the Java.
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
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
Explanation: Merlin eclipse plugin is merged with an existing eclipse plugin already at avalon.
7. Which of the following is a data access framework?
a) Merge
b) Lucene.NET
c) MetaModel
d) None of the mentioned
View Answer
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
Explanation: MRUnit is a library to support unit testing of Hadoop MapReduce jobs.
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
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
Explanation: Myfaces is based on JavaServer Faces (certified implementation of JSR-127).
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