Realtime Processing with Apache Spark MCQ question and answer with solution

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Each section contains 100 MCQs on Realtime Processing with Apache Spark .

. . . . . . . . is a REST API for HCatalog.

A) WebHCat B) WbHCat C) InpHCat D) None of the mentioned

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

A . . . . . . . . server and a data node should be run on one physical node.

A) groom B) web C) client D) all of the mentioned

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Which of the following is a multi-threaded server using non-blocking I/O?

A) TNonblockingServer B) TSimpleServer C) TSocket D) None of the mentioned

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Users can easily run Spark on top of Amazon's . . . . . . . .

A) Infosphere B) EC2 C) EMR D) None of the mentioned

Discuss

Answer & Solution

Answer: Option B

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Point out the correct statement.

A) HCat provides connectors for MapReduce B) Apache HCatalog provides table data access for CDH components such as Pig and MapReduce C) HCat makes Hive metadata available to users of other Hadoop tools like Pig, MapReduce and Hive D) All of the mentioned

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

A . . . . . . . . is used to manage the efficient barrier synchronization of the BSPPeers.

A) GroomServers B) BSPMaster C) Zookeeper D) None of the mentioned

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

. . . . . . . . uses blocking socket I/O for transport.

A) TNonblockingServer B) TSimpleServer C) TSocket D) None of the mentioned

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Point out the wrong statement.

A) PyLucene is a Lucene port B) PyLucene embeds a Java VM with Lucene into a Python process C) The PyLucene Python extension, a Python module called lucene is machine-generated by JCC D) PyLucene is built with JCC

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The . . . . . . . . class defines a configuration parameter named LINES_PER_MAP that controls how the input file is split.

A) NLineInputFormat B) InputLineFormat C) LineInputFormat D) None of the mentioned

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Point out the wrong statement.

A) For distributed storage, Spark can interface with a wide variety, including Hadoop Distributed File System (HDFS) B) Spark also supports a pseudo-distributed mode, usually used only for development or testing purposes C) Spark has over 465 contributors in 2014 D) All of the mentioned

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

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Realtime Processing with Apache Spark MCQ question and answer with solution | Hadoop MCQs