C2090-101 Exam Training Practice Tests (IBM Big Data Engineer)]

Question 1

Which statement is TRUE concerning optimizing the load performance?

A. You can improve the performance by decreasing the number of map tasks that are assigned to the load and adjusting the heap size B. You can improve the performance by increasing the number of map tasks assigned to the load C. It is advantageous to run the LOAD HADOOP statement directly pointing to large files located in the host file system as opposed to copying the files to the DFS prior to load D. When loading large files the number of files that you load does not impact the performance of the LOAD HADOOP statement

Correct Answer: B

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Question 2

Which of the following statements is TRUE regarding search visualization with Apache Hue?

A. The Hue Beeswax application enables you to perform queries on HBase B. For optimal performance, the Hue Server should be one of the nodes within your Hadoop cluster C. Hue utilizes Java libraries which must be installed on your system D. The Hue Sqoop UI allows transferring data from a relational database to Hadoop, but not from Hadoop to a relational database

Correct Answer: D

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Question 3

A Resilient Distributed Dataset is a good solution for which of the following?

A. A search B. An interactive query and iterative algorithms C. A high throughput write oriented use cases D. An SQL based data transformation

Correct Answer: B

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Question 4

Which component of BigInsights is able to mask data items so as restrict viewing of sensitive data?

A. HDFS B. Flume C. Big SQL D. Oozie

Correct Answer: C

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Question 5

When creating a configuration file for a Flume agent, which of the following must be configured?

A. A source, a sink, and a channel B. A database configuration file C. An interceptor D. All of the above

Correct Answer: A

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Question 6

In order for an SPSS Modeler stream to be incorporated for use in an InfoSphere Streams application leveraging SPSS Modeler Solution Publisher, you need to:

A. add a Type node B. add a Table node as the terminal node C. insert any Output node D. Make the terminal node a scoring branch

Correct Answer: D

Question 7

When indexing a Hive Table, which of the following is TRUE?

A. Hive tables do not support indexes B. It increases query speed but requires additional processing time for data insert/update/delete and needs more disk space C. It does not increase query speed but makes data insert/delete/update faster D. It increases query speed without the need for additional disk space

Correct Answer: D

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Question 8

Given a file named readme.txt, which command will copy the readme.txt file to the <user> directory on the HDFS?

A. hadoop fs -put hdfs://test.ibm.com:9000/<user> readme.text B. hadoop fs -put readme.txt hdfs://test.ibm.com:9000/<user> C. hadoop fs -cp hdfs://test.ibm.com:9000/<user> readme.txt D. hadoop fs -cp readme.txt hdfs://test.ibm.com:9000/<user>

Correct Answer: C

Question 9

For what purpose SPSS models are embedded within InfoSphere Streams application?

A. To create new models based on streaming data B. To ingest and parse binary and other complex data types C. To provide high availability D. To score streaming data using existing models

Correct Answer: D

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Question 10

When you configure a MapReduce job, the inputs can include:

A. Paths to one or more directories B. A file pattern (e.g., mypath/*.csv) C. A single file D. All of the above

Correct Answer: B

IBM Big Data Engineer - C2090-101 Exam Practice Test