This set of Multiple Choice Questions & Answers focuses on “Local Hadoop Cloudera”.
1. ___________ is the world’s most complete, tested, and popular distribution of Apache Hadoop and related projects.
a) MDH
b) CDH
c) ADH
d) BDH
View Answer
Explanation: Cloudera’s open-source Apache Hadoop distribution, CDH (Cloudera Distribution Including Apache Hadoop), targets enterprise-class deployments of that technology.
2. Point out the correct statement.
a) Cloudera is also a sponsor of the Apache Software Foundation
b) CDH is 100% Apache-licensed open source and is the only Hadoop solution to offer unified batch processing, interactive SQL, and interactive search, and role-based access controls
c) More enterprises have downloaded CDH than all other such distributions combined
d) All of the mentioned
View Answer
Explanation: Cloudera says that more than 50% of its engineering output is donated upstream to the various Apache-licensed open source projects.
3. Cloudera ___________ includes CDH and an annual subscription license (per node) to Cloudera Manager and technical support.
a) Enterprise
b) Express
c) Standard
d) All of the mentioned
View Answer
Explanation: CDH includes the core elements of Apache Hadoop plus several additional key open source projects.
4. Cloudera Express includes CDH and a version of Cloudera ___________ lacking enterprise features such as rolling upgrades and backup/disaster recovery.
a) Enterprise
b) Express
c) Standard
d) Manager
View Answer
Explanation: All versions may be downloaded from Cloudera’s website.
5. Point out the wrong statement.
a) CDH contains the main, core elements of Hadoop
b) In October 2012, Cloudera announced the Cloudera Impala project
c) CDH may be downloaded from Cloudera’s website at no charge
d) None of the mentioned
View Answer
Explanation: CDH may be downloaded from Cloudera’s website with no technical support nor Cloudera Manager.
6. Cloudera Enterprise comes in ___________ edition.
a) One
b) Two
c) Three
d) Four
View Answer
Explanation: Cloudera Enterprise comes in three editions: Basic, Flex, and Data Hub.
7. __________ is a online NoSQL developed by Cloudera.
a) HCatalog
b) Hbase
c) Imphala
d) Oozie
View Answer
Explanation: HBase is a distributed key value store.
8. _______ is an open source set of libraries, tools, examples, and documentation engineered.
a) Kite
b) Kize
c) Ookie
d) All of the mentioned
View Answer
Explanation: Kite is used to simplify the most common tasks when building applications on top of Hadoop.
9. To configure short-circuit local reads, you will need to enable ____________ on local Hadoop.
a) librayhadoop
b) libhadoop
c) libhad
d) none of the mentioned
View Answer
Explanation: Short-circuit reads make use of a UNIX domain socket.
10. CDH process and control sensitive data and facilitate __________
a) multi-tenancy
b) flexibilty
c) scalability
d) all of the mentioned
View Answer
Explanation: Cloudera Express offers the fastest and easiest way to getting your Hadoop cluster up and running and exploring your first use cases.
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