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C2090-101 IBM Big Data Engineer

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IBM · C2090-101

Free C2090-101 Exam Dumps Preview

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Question 1

Single choice

Which of the following is TRUE about a Resilient Distributed Dataset?

A
It is always mutable
B
It is always immutable
C
It can be configured to be either mutable or immutable
D
It can be changed from mutable to immutable state during its life cycle

Reveal answer details Close answer details

Correct answerB

Explanation

References:
http://beyondcorner.com/learn-apache-spark/spark-rdd-resilient-distributed-datasets/

Question 2

Single choice

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
insert any Output node
C
add a Table node as the terminal node
D
Make the terminal node a scoring branch

Reveal answer details Close answer details

Correct answerD

Question 3

Single choice

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

A
Hue submits MapReduce jobs to Oozie
B
No additional setup is required to secure your session cookies
C
Hue applications require some code to be installed on the client
D
The File Browser application allows you to perform keyword searches across your Hadoop data

Reveal answer details Close answer details

Correct answerA

Question 4

Single choice

Which source operator detects SPSS Collaboration and Deployment Services notification events for a specific SPSS Modeler file and downloads the indicated file version for the refreshed scoring branch?

A
SPSSPublish operator
B
SPSSScoring operator
C
SPSSModeler operator
D
SPSSRepository operator

Reveal answer details Close answer details

Correct answerD

Explanation

References:
https://www.ibm.com/support/knowledgecenter/SS69YH_8.1.0/cads_infosphere_ddita/cads/infosphere/is_overview.html

Question 5

Single choice

What is Flume?

A
A distributed filesystem
B
A platform for executing MapReduce jobs
C
A programming language that translates high-level queries into map tasks and reduce tasks
D
A service for moving large amounts of data around a cluster soon after the data is produced.

Reveal answer details Close answer details

Correct answerD

Explanation

References:
https://www.ibm.com/support/knowledgecenter/en/SSPT3X_4.1.0/com.ibm.swg.im.infosphere.biginsights.product.doc/doc/bi_flume.html

Question 6

Single choice

Which command can be used to move data from HDFS into an existing table in a relational database?

A
sqoop
B
hadoop fs -put
C
hadoop fs -copyToLocal
D
hadoop fs -copyFromLocal

Reveal answer details Close answer details

Correct answerA

Explanation

References:
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&cad=rja&uact=8&ved=2ahUKEwjay5__o8TeAhUryIUKHQyiDVYQFjAEegQIBBAC&url=https%3A%2F%2Fwww.ibm.com%2Fdeveloperworks%2Fcommunity%2Ffiles%2Fbasic%2Fanonymous%2Fapi%2Flibrary%2F3d16d834-9481-4741-8921-fe4cb5e9c93c%2Fdocument%2Fab7d3a7c-2850-4ee1-821b-f6caa1939310%2Fmedia%2FHadoop_IBM_Big_Insights.ppt&usg=AOvVaw1S0xKgU96Ljobe3K3D-1bA

Question 7

Single choice

What are the key elements that IBM Big Match Probabilistic Matching Engine leverages?

A
Wildcard and sorting
B
Wildcard and phonetics
C
Phonetics and searching
D
Phonetics and nicknames

Reveal answer details Close answer details

Correct answerD

Explanation

References:
https://www.ibm.com/support/knowledgecenter/SSWSR9_11.6.0/com.ibm.mdmhs.txn.ref.doc/
r_searchPersonProbabilistic.html

Question 8

Single choice

Which BigInsights tool is able to export data from Big SQL?

A
Ambari
B
BigSheets
C
Flume
D
Knox

Reveal answer details Close answer details

Correct answerB

Explanation

References:
https://www.ibm.com/support/knowledgecenter/en/SSCRJT_5.0.1/com.ibm.swg.im.bigsql.tut.doc/doc/less_bsql_exptobigsh.html

Question 9

Single choice

Which tool below can be used for extracting data directly from an RDBMS and placing a copy within BigInsights as a ready-to-query table?

A
Flume
B
Sqoop
C
NZ Load
D
Distributed Copy

Reveal answer details Close answer details

Correct answerB

Explanation

References:
https://www.ibm.com/support/knowledgecenter/da/SSPT3X_4.2.0/com.ibm.swg.im.infosphere.biginsights.import.doc/doc/data_warehouse_sqoop.html

Question 10

Single choice

The GPFS implementation of Data Management API is compliant to which Open Group storage management Standard?

A
XSH
B
XBD
C
XDSM
D
X / Open

Reveal answer details Close answer details

Correct answerC

Explanation

References:
https://www.ibm.com/support/knowledgecenter/en/SSFKCN_4.1.0/com.ibm.cluster.gpfs.v4r1.gpfs400.doc/bl1dmp_intro.htm

Question 11

Single choice

Which of the following techniques is NOT employed by Big SQL to improve performance?

A
Query Optimization
B
Predicate Push down
C
Compression efficiency
D
Load data into DB2 and return the data

Reveal answer details Close answer details

Correct answerA

Explanation

References:
https://www.ibm.com/support/knowledgecenter/en/SSZLC2_7.0.0/com.ibm.commerce.developer.soa.doc/refs/rsdperformanceworkspaces.htm

Question 12

Single choice

Which of the following is not a data-processing operations that is supported in Pig Latin?

A
filter
B
joins
C
group by
D
logistic regression

Reveal answer details Close answer details

Correct answerD

Explanation

References:
https://pig.apache.org/docs/r0.15.0/basic.html

Question 13

Single choice

Which of the following statements about MapReduce is true?

A
MapReduce source programs must be written in Java
B
The output from MapReduce is one or more files stored in the DFS
C
MapReduce programs always have four phases: Mapper, Shuffle, Combiner, and Reducer
D
Intermediate files, sent from Map tasks to Reduce tasks, are replicated with the number of copies equal to the number of Reducers

Reveal answer details Close answer details

Correct answerB

Question 14

Single choice

The Distributed File Copy application copies files to and from a remote source to the InfoSphere BigInsights distributed file system by using data movement options.

Which of the following is the complete list of options for moving data with Distributed File Copy?

A
File Transfer Protocol (FTP) and SFTP
B
Hadoop Distributed File System (HDFS) and FTP
C
General Parallel File System (GPFS), FTP, and SFTP
D
Hadoop Distributed File System (HDFS), FTP, SFTP, GPFS, and also copy files to and from your local file system

Reveal answer details Close answer details

Correct answerD

Explanation

References:
https://www.ibm.com/support/knowledgecenter/en/SSPT3X_3.0.0/com.ibm.swg.im.infosphere.biginsights.tut.doc/doc/tut_Less_imp_distcopy.html

Question 15

Single choice

Consider the following Solr query:

curl "http://localhost:8983/solr/gettingstarted/select?

wt=json&indent=true&q=foundation" What is the term that is being searched?

A
indent
B
json
C
gettingstarted
D
foundation

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Correct answerD

Explanation

References:
https://lucene.apache.org/solr/6_0_0/quickstart.html

Question 16

Single choice

A Resilient Distributed Dataset supports which of the following?

A
Creating a new dataset from an old one
B
Returning a computed value to the driver program
C
Both "Creating a new dataset from an old one" and "Returning a computed value to the driver program"
D
Neither "Creating a new dataset from an old one" nor "Returning a computed value to the driver program"

Reveal answer details Close answer details

Correct answerC

Explanation

References:
https://spark.apache.org/docs/latest/rdd-programming-guide.html
(RDD operations)

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IBM Big Data Engineer

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