InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
Kafka is comparable to traditional messaging systems such as _____________(a) Impala(b) ActiveMQ(c) BigTop(d) ZookeeperI had been asked this question at a job interview.Origin of the question is Kafka with Hadoop topic in portion Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» The correct CHOICE is (B) ActiveMQ |
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| 102. |
How many types of nodes are present in Storm cluster?(a) 1(b) 2(c) 3(d) 4The question was posed to me in my homework.Question is from Storm in chapter Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» RIGHT answer is (c) 3 To explain: A storm cluster has THREE SETS of NODES. |
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| 103. |
Apache Storm added the open source, stream data processing to _________ Data Platform.(a) Cloudera(b) Hortonworks(c) Local Cloudera(d) MapRThe question was asked by my school principal while I was bunking the class.My question is based upon Storm in portion Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» Right answer is (b) Hortonworks |
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| 104. |
Storm is benchmarked as processing one million _______ byte messages per second per node.(a) 10(b) 50(c) 100(d) 200This question was addressed to me in a job interview.My enquiry is from Storm topic in portion Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» Correct answer is (C) 100 |
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| 105. |
Point out the wrong statement.(a) Storm is difficult and can be used with only Java(b) Storm is fast: a benchmark clocked it at over a million tuples processed per second per node(c) Storm is scalable, fault-tolerant, guarantees your data will be processed(d) All of the mentionedThe question was posed to me during an interview.The origin of the question is Storm in division Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» Right choice is (a) STORM is DIFFICULT and can be USED with only Java |
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| 106. |
For Apache __________ users, Storm utilizes the same ODBC interface.(a) cTakes(b) Hive(c) Pig(d) OozieThe question was asked in an internship interview.My question is taken from Storm in section Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» The CORRECT answer is (b) Hive |
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| 107. |
Storm integrates with __________ via Apache Slider.(a) Scheduler(b) YARN(c) Compaction(d) All of the mentionedThe question was posed to me during an interview.Question is from Storm in portion Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» Right ANSWER is (C) Compaction |
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| 108. |
Point out the correct statement.(a) A Storm topology consumes streams of data and processes those streams in arbitrarily complex ways(b) Apache Storm is a free and open source distributed real-time computation system(c) Storm integrates with the queueing and database technologies you already use(d) All of the mentionedI got this question in examination.I'm obligated to ask this question of Storm in division Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» The correct option is (d) All of the mentioned |
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| 109. |
____________ is a distributed real-time computation system for processing large volumes of high-velocity data.(a) Kafka(b) Storm(c) Lucene(d) BigTopI have been asked this question at a job interview.This intriguing question originated from Storm topic in section Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» The correct answer is (b) Storm |
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| 110. |
Which of the following features is not provided by Impala?(a) SQL functionality(b) ACID(c) Flexibility(d) None of the mentionedI got this question in semester exam.The origin of the question is Impala in portion Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» The correct choice is (b) ACID |
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| 111. |
____________ analytics is a work in progress with Impala.(a) Reproductive(b) Exploratory(c) Predictive(d) All of the mentionedThis question was posed to me during an interview.I need to ask this question from Impala in section Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» The CORRECT option is (a) Reproductive |
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| 112. |
Which of the following companies shipped Impala?(a) Amazon(b) Oracle(c) MapR(d) All of the mentionedI have been asked this question in quiz.The origin of the question is Impala topic in chapter Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» CORRECT option is (d) All of the mentioned The explanation is: IMPALA is shipped by CLOUDERA, MAPR, Oracle, and AMAZON. |
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| 113. |
Impala is integrated with native Hadoop security and Kerberos for authentication via __________ module.(a) Sentinue(b) Sentry(c) Sentinar(d) All of the mentionedThe question was posed to me at a job interview.This interesting question is from Impala in section Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» Correct option is (B) Sentry |
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| 114. |
Point out the wrong statement.(a) For Apache Hive users, Impala utilizes the same metadata, ODBC driver, SQL syntax, and user interface as Hive(b) Impala provides high latency and low concurrency(c) Impala also scales linearly, even in multi tenant environments(d) All of the mentionedThe question was asked by my school principal while I was bunking the class.My query is from Impala topic in section Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» Correct choice is (b) Impala PROVIDES HIGH latency and low CONCURRENCY |
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| 115. |
For Apache __________ users, Impala utilizes the same metadata.(a) cTakes(b) Hive(c) Pig(d) OozieThis question was addressed to me in examination.The origin of the question is Impala in chapter Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» RIGHT OPTION is (b) Hive The best explanation: You don’t have to WORRY about re-inventing the implementation WHEEL. |
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| 116. |
Impala is an integrated part of a ____________ enterprise data hub.(a) MicroSoft(b) IBM(c) Cloudera(d) All of the mentionedI had been asked this question in my homework.This interesting question is from Impala topic in division Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» CORRECT choice is (C) Cloudera Best EXPLANATION: IMPALA is open SOURCE (Apache License), so you can self-support in perpetuity if you wish. |
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| 117. |
Point out the correct statement.(a) With Impala, more users, whether using SQL queries or BI applications, can interact with more data(b) Technical support for Impala is not available via a Cloudera Enterprise subscription(c) Impala is proprietary tool for Hadoop(d) None of the mentionedThis question was posed to me in examination.The doubt is from Impala in chapter Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» The CORRECT choice is (a) With Impala, more users, whether using SQL queries or BI applications, can interact with more data |
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| 118. |
__________ is a fully integrated, state-of-the-art analytic database architected specifically to leverage strengths of Hadoop.(a) Oozie(b) Impala(c) Lucene(d) BigTopThe question was asked in an international level competition.My enquiry is from Impala in portion Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» CORRECT ANSWER is (b) IMPALA To elaborate: Impala provides scalability and FLEXIBILITY to hadoop. |
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| 119. |
Which of the following builds an APT or YUM package repository?(a) Bigtop-trunk-packagetest(b) Bigtop-trunk-repository(c) Bigtop-VM-matrix(d) None of the mentionedI have been asked this question during an interview.I'd like to ask this question from BigTop in chapter Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» Right ANSWER is (B) Bigtop-trunk-repository |
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| 120. |
The Apache Jenkins server runs the ______________ job whenever code is committed to the trunk branch.(a) “Bigtop-trunk”(b) “Bigtop”(c) “Big-trunk”(d) None of the mentionedI got this question in examination.Query is from BigTop topic in chapter Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» Right choice is (a) “Bigtop-trunk” |
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| 121. |
The Bigtop Jenkins server runs daily jobs for the _______ and trunk branches.(a) 0.1(b) 0.2(c) 0.3(d) 0.4This question was posed to me in an interview for job.Query is from BigTop topic in portion Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» The correct CHOICE is (C) 0.3 |
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| 122. |
Apache Bigtop uses ___________ for continuous integration testing.(a) Jenkinstop(b) Jerry(c) Jenkins(d) None of the mentionedI have been asked this question by my school teacher while I was bunking the class.This interesting question is from BigTop topic in portion Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» CORRECT CHOICE is (C) Jenkins To elaborate: There are 2 Jenkins servers running for the project. |
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| 123. |
Which of the following operating system is not supported by BigTop?(a) Fedora(b) Solaris(c) Ubuntu(d) SUSEThe question was posed to me by my school principal while I was bunking the class.Question is from BigTop in section Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» The correct choice is (b) Solaris |
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| 124. |
Point out the wrong statement.(a) Bigtop-0.5.0 : Builds the 0.5.0 release(b) Bigtop-trunk-HBase builds the HCatalog packages only(c) There are also jobs for building virtual machine images(d) All of the mentionedThe question was posed to me in my homework.The origin of the question is BigTop in chapter Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» RIGHT ANSWER is (a) Bigtop-0.5.0 : Builds the 0.5.0 release The best explanation: Bigtop PROVIDES vagrant recipes, raw images, and (work-in-progress) docker recipes for deploying HADOOP from zero. |
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| 125. |
Which of the following work is done by BigTop in Hadoop framework?(a) Packaging(b) Smoke Testing(c) Virtualization(d) All of the mentionedThis question was addressed to me during an interview for a job.This question is from BigTop in section Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» Correct OPTION is (d) All of the mentioned |
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| 126. |
Point out the correct statement.(a) Bigtop provides an integrated smoke testing framework, alongside a suite of over 10 test files(b) Bigtop includes tools and a framework for testing at various levels(c) Bigtop components supports only one Operating Systems(d) All of the mentionedI had been asked this question by my college professor while I was bunking the class.My doubt stems from BigTop topic in chapter Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» Correct choice is (b) Bigtop includes tools and a framework for testing at various levels |
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| 127. |
Which of the following is project for Infrastructure Engineers and Data Scientists?(a) Impala(b) BigTop(c) Oozie(d) FlumeI had been asked this question in an interview.I need to ask this question from BigTop in chapter Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» Correct answer is (B) BIGTOP |
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| 128. |
Falcon provides the key services data processing applications need so Sophisticated________ can easily be added to Hadoop applications.(a) DAM(b) DLM(c) DCM(d) All of the mentionedThis question was posed to me in examination.I'm obligated to ask this question of Orchestration in Hadoop topic in chapter Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» The CORRECT answer is (b) DLM |
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| 129. |
A recurring workflow is used for purging expired data on __________ cluster.(a) Primary(b) Secondary(c) BCP(d) None of the mentionedI have been asked this question in an internship interview.The query is from Orchestration in Hadoop topic in section Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» The correct option is (a) Primary |
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| 130. |
Falcon promotes decoupling of data set location from ___________ definition.(a) Oozie(b) Impala(c) Kafka(d) ThriftThis question was posed to me in an internship interview.This key question is from Orchestration in Hadoop in chapter Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» The correct option is (a) Oozie |
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| 131. |
Falcon provides ___________ workflow for copying data from source to target.(a) recurring(b) investment(c) data(d) none of the mentionedThis question was posed to me in an international level competition.My query is from Orchestration in Hadoop in chapter Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» RIGHT option is (a) recurring Best explanation: FALCON instruments workflows for DEPENDENCIES, retry logic, Table/Partition registration, NOTIFICATIONS, ETC. |
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| 132. |
Point out the wrong statement.(a) Falcon promotes Javascript Programming(b) Falcon does not do any heavy lifting but delegates to tools with in the Hadoop ecosystem(c) Falcon handles retry logic and late data processing. Records audit, lineage and metrics(d) All of the mentionedThe question was posed to me in final exam.I want to ask this question from Orchestration in Hadoop topic in division Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» Right answer is (a) Falcon PROMOTES Javascript PROGRAMMING |
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| 133. |
The ability of Hadoop to efficiently process large volumes of data in parallel is called __________ processing.(a) batch(b) stream(c) time(d) all of the mentionedI got this question during an interview.This question is from Orchestration in Hadoop topic in section Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» The CORRECT answer is (b) stream |
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| 134. |
__________ is used for simplified Data Management in Hadoop.(a) Falcon(b) flume(c) Impala(d) None of the mentionedThis question was posed to me in an international level competition.I'm obligated to ask this question of Orchestration in Hadoop topic in chapter Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» Right choice is (a) FALCON |
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| 135. |
Point out the correct statement.(a) Large datasets are incentives for users to come to Hadoop(b) Data management is a common concern to be offered as a service(c) Understanding the life-time of a feed will allow for implicit validation of the processing rules(d) All of the mentionedThe question was posed to me in an interview.This question is from Orchestration in Hadoop in portion Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» The CORRECT CHOICE is (d) All of the mentioned |
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| 136. |
A collection of various actions in a control dependency DAG is referred to as ________________(a) workflow(b) dataflow(c) clientflow(d) none of the mentionedI got this question in an interview for internship.This interesting question is from Orchestration in Hadoop topic in division Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» Right OPTION is (a) workflow |
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| 137. |
A _______________ action can be configured to perform file system cleanup and directory creation before starting the mapreduce job.(a) map(b) reduce(c) map-reduce(d) none of the mentionedThe question was posed to me in quiz.The origin of the question is Oozie with Hadoop topic in section Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» RIGHT choice is (C) map-reduce For explanation I would say: The map-reduce action starts a HADOOP map/reduce JOB from a WORKFLOW. |
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| 138. |
If the failure is of ___________ nature, Oozie will suspend the workflow job.(a) transient(b) non-transient(c) permanent(d) all of the mentionedI have been asked this question in unit test.The question is from Oozie with Hadoop topic in chapter Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» Right answer is (b) non-transient |
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| 139. |
If a computation/processing task -triggered by a workflow fails to complete successfully, its transitions to _____________(a) error(b) ok(c) true(d) falseI had been asked this question in semester exam.Query is from Oozie with Hadoop topic in chapter Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» CORRECT choice is (a) error Easy explanation: If a computation/processing task -triggered by a workflow completes SUCCESSFULLY, it TRANSITIONS to ok. |
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| 140. |
Point out the wrong statement.(a) The fork and join nodes must be used in pairs(b) The fork node assumes concurrent execution paths are children of the same fork node(c) A join node waits until every concurrent execution path of a previous fork node arrives to it(d) A fork node splits one path of execution into multiple concurrent paths of executionThe question was asked during an interview.The origin of the question is Oozie with Hadoop in division Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» The correct option is (B) The FORK node ASSUMES CONCURRENT execution paths are children of the same fork node |
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| 141. |
The ___________ attribute in the join node is the name of the workflow join node.(a) name(b) to(c) down(d) none of the mentionedThis question was addressed to me in semester exam.Asked question is from Oozie with Hadoop topic in section Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» The CORRECT option is (a) name |
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| 142. |
Which of the following can be seen as a switch-case statement?(a) fork(b) decision(c) start(d) none of the mentionedThe question was asked in an interview for job.This is a very interesting question from Oozie with Hadoop topic in chapter Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» CORRECT choice is (b) DECISION Explanation: A decision node consists of a list of predicates-transition pairs plus a default transition. |
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| 143. |
All decision nodes must have a _____________ element to avoid bringing the workflow into an error state if none of the predicates evaluates to true.(a) name(b) default(c) server(d) clientThis question was addressed to me in examination.My question is based upon Oozie with Hadoop in division Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» Correct OPTION is (b) DEFAULT |
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| 144. |
Point out the correct statement.(a) Predicates are JSP Expression Language (EL) expressions(b) Predicates are evaluated in order or appearance until one of them evaluates to true and the corresponding transition is taken(c) The name attribute in the decision node is the name of the decision node(d) All of the mentionedI have been asked this question during an interview.My query is from Oozie with Hadoop in portion Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» CORRECT answer is (d) All of the mentioned Best explanation: The predicate ELs are EVALUATED in order until ONE returns true and the corresponding TRANSITION is TAKEN. |
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| 145. |
A ___________ node enables a workflow to make a selection on the execution path to follow.(a) fork(b) decision(c) start(d) none of the mentionedI had been asked this question during an interview.I'd like to ask this question from Oozie with Hadoop in section Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» Right choice is (b) decision |
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| 146. |
A workflow definition must have one ________ node.(a) start(b) resume(c) finish(d) none of the mentionedI got this question in exam.My question comes from Oozie with Hadoop topic in portion Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» Correct answer is (a) start |
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| 147. |
Node names and transitions must be conform to the following pattern =[a-zA-Z][\-_a-zA-Z0-0]*=, of up to __________ characters long.(a) 10(b) 15(c) 20(d) 25The question was asked at a job interview.The above asked question is from Oozie with Hadoop topic in division Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» RIGHT OPTION is (C) 20 The BEST I can explain: Action nodes trigger the execution of a computation/processing TASK. |
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| 148. |
________ nodes that control the start and end of the workflow and workflow job execution path.(a) Action(b) Control(c) Data(d) SubDomainThis question was posed to me during an interview.I want to ask this question from Oozie with Hadoop in section Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» Correct choice is (b) Control |
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| 149. |
Workflow with id __________ should be in SUCCEEDED/KILLED/FAILED.(a) wfId(b) iUD(c) iFD(d) all of the mentionedThe question was asked in unit test.I would like to ask this question from Oozie with Hadoop topic in division Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» The CORRECT option is (a) wfId |
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| 150. |
_____________ will skip the nodes given in the config with the same exit transition as before.(a) ActionMega handler(b) Action handler(c) Data handler(d) None of the mentionedThe question was asked during a job interview.This key question is from Oozie with Hadoop in portion Oozie, Orchestration, Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications of Hadoop |
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Answer» The correct answer is (B) Action handler |
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