Hadoop Multiple Choice Questions on “Hadoop Incubators – 2”.
1. ____________ is a query processing and optimization system for large-scale.
a) MRQL
b) NiFi
c) OpenAz
d) ODF Toolkit
Answer: a
Clarification: MRQL is built on top of Apache Hadoop, Hama, Spark, and Flink.
2. Point out the correct statement.
a) SAMOA provides a collection of distributed streaming algorithms
b) REEF is a cross platform and cross runtime testing/debugging tool
c) Sentry is a highly modular system for providing fine grained role
d) All of the mentioned
Answer: a
Clarification: SAMOA provides a collection of distributed streaming algorithms for the most common data mining and machine learning tasks such as classification, clustering, and regression.
3. ________ is a columnar storage format for Hadoop.
a) MRQL
b) NiFi
c) OpenAz
d) Parquet
Answer: d
Clarification: NiFi is a dataflow system based on the concepts of flow-based programming.
4. REEF is a scale-out computing fabric that eases the development of Big Data applications are ___________
a) MRQL
b) NiFi
c) REEF
d) Ripple
Answer: c
Clarification: REEF stands for Retainable Evaluator Execution Framework.
5. Point out the wrong statement.
a) OpenAz is a browser based mobile phone emulator
b) Ripple is a cross platform and cross runtime testing/debugging tool
c) Ripple currently supports such runtimes as Cordova, WebWorks and the Mobile Web
d) All of the mentioned
Answer: a
Clarification: Ripple is a browser based mobile phone emulator designed to aid in the development of HTML5 based mobile applications.
6. Which of the following is a monitoring solution for hadoop?
a) Sirona
b) Sentry
c) Slider
d) Streams
Answer: a
Clarification: Slider is a collection of tools and technologies to package, deploy, and manage long running applications on Apache Hadoop YARN clusters.
7. Apache ________ is a lightweight server for ActivityStreams.
a) Sirona
b) Taverna
c) Slider
d) Streams
Answer: d
Clarification: Taverna is a domain-independent suite of tools used to design and execute data-driven workflows.
8. Which of the following provides extendible modern and functional API leveraging SE, ME and EE environments?
a) Sirona
b) Taverna
c) Tamaya
d) Streams
Answer: c
Clarification: Tamaya is a highly flexible configuration solution based on a modular, extensible and injectable key/value based design.
9. __________ is an abstraction over Apache Hadoop YARN that reduces the complexity of developing distributed applications.
a) Wave
b) Twill
c) Usergrid
d) None of the mentioned
Answer: b
Clarification: Twill allows developers to focus more on their business logic.
10. A _________ is a hosted, live, concurrent data structure for rich communication.
a) Wave
b) Twill
c) Usergrid
d) None of the mentioned
Answer: a
Clarification: Usergrid is Backend-as-a-Service (BaaS) composed of an integrated database (Cassandra), application layer and client tier with SDKs for developers.