Open Cloud Consortium Questions and Answers

This set of Cloud Computing Multiple Choice Questions & Answers (MCQs) focuses on “The Open Cloud Consortium”.

1. Which of the following organization supports the development of standards for cloud computing?
a) OPC
b) OCP
c) OCC
d) All of the mentioned
View Answer

Answer: c
Explanation: OCC is comprised of several universities and interested companies.

2. Point out the wrong statement.
a) MapReduce is Google’s patented software framework that supports distributed large data sets organized by the Google File System
b) MapReduce is Yahoo’s patented software framework that supports distributed large data sets organized by the Yahoo File System
c) The Apache Hadoop open-source system is based on MapReduce and GFS
d) None of the mentioned
View Answer

Answer: b
Explanation: MapReduce is a programming model and an associated implementation for processing and generating large data sets with a parallel, distributed algorithm on a cluster.

3. Which of the following function is provided by OCC working group?
a) Develop benchmarks for measuring cloud computing performance
b) Provide testbeds that vendors can use to test their applications
c) Support the development of open-source reference implementations for cloud computing
d) All of the mentioned
View Answer

Answer: d
Explanation: The Working Group on Standards and Interoperability For Large Data Clouds extends the architecture for data storage with a distributed file system.

4. OCC supports the management of cloud computing infrastructure for scientific research as part of the ________ working group initiative.
a) OSCD
b) OSCDP
c) OSCP
d) All of the mentioned
View Answer

Answer: b
Explanation: OSCDP stands for Open Science Data Cloud.

5. Point out the correct statement.
a) SOA offers an architectural blueprint for accessing diverse optimized services through a loosely coupled standardized method
b) OCC does not support the development of open-source reference implementations for cloud computing
c) SOA offers an architectural blueprint for accessing diverse optimized services through a tightly coupled standardized method
d) None of the mentioned
View Answer

Answer: a
Explanation: SOA is loosely coupled because the service is separated from the messaging.

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6. Which of the following is single-purpose application implemented in the cloud?
a) Carbonite backup
b) Google’s Gmail email
c) Twitter’s Instant Messaging
d) All of the mentioned
View Answer

Answer: d
Explanation: Applications of those types have less of a need for the flexibility and loose coupling that SOA provides.

7. Which of the following is used to describe Web services that allow for user input and modification?
a) Web 2.0
b) Web 1.0
c) Web 3.0
d) All of the mentioned
View Answer

Answer: a
Explanation: Web 2.0 is an acronym coined by Tim O’Reilly.

8. A _____ is the combination of data from two or more sources that creates a unique service.
a) dev
b) mashup
c) ajax
d) all of the mentioned
View Answer

Answer: b
Explanation: The layers added to Google maps are examples of mashups.

9. Which of the following correctly describes group of technologies that leverage HTML and CSS for styling?
a) DOM
b) AJAX
c) SAS
d) All of the mentioned
View Answer

Answer: b
Explanation: AJAX is a set of development tools that allow for client input into Web applications.

10. AJAX uses _________ for asynchronous communication between various data sources.
a) XSLT
b) XMLHttpRequest
c) DTD
d) None of the mentioned
View Answer

Answer: b
Explanation: AJAX stands for Asynchronous JavaScipt and XML.

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