IBM C2090-101 Exam Questions Instant Access

Question 1

Which file format support Column data compression? (Choose two.)

AText

BAvro

CRCFile

DParquet

ESequence_text

Answer : C, D

Question 2

A Resilient Distributed Dataset with Replicated storage level does which of the following?

AProtects from data loss by recomputing the data

BAllows you to continue running the task in case of a node failure

CGuarantees a performance benefit

DBoth ''Protects from data loss by recomputing the data'' and ''Allows you to continue running the task in case of a node failure''

Answer : A

Question 3

Which one of the following is NOT provided by the SerDe interface?

ASerDe interface has to be built using C or C++ language

BAllows SQL-style queries across data that is often not appropriate for a relational database

CSerializer takes a Java object that Big SQL has been working with, and turns it into a format that BigSQL can write to HDFS

DDeserializer interface takes a string or binary representation of a record, and translates it into a Java object that Big SQL can manipulate

Answer : A

Question 4

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

Ahadoop fs --cp readme.txt hdfs://test.ibm.com:9000/<user>

Bhadoop fs --cp hdfs://test.ibm.com:9000/<user> readme.txt

Chadoop fs --put readme.txt hdfs://test.ibm.com:9000/<user>

Dhadoop fs --put hdfs://test.ibm.com:9000/<user> readme.text

Answer : B

Question 5

In which of the following the Flume open-source software is written?

AC / C++

BPrimarily Java

CPython and related tools

DA combination of C++ and Perl

Answer : B

https://en.wikipedia.org/wiki/Apache_Flume

Question 6

Which of the following is NOT a characteristic of a consistent region?

ASupport for non-deterministic applications

BSupport for single-threaded operators only

CAllows ''at-least-once'' processing by using replayable data sources

DAllows ''exactly-once'' processing if using an external system that can detect duplicate tuples or can restore its state after a failure

Answer : B

https://developer.ibm.com/streamsdev/2015/02/20/processing-tuples-least-infosphere-streams- consistent-regions/

Question 7

Which parameters are considered when configuring Big Match algorithm?

ASearch and custom requirements

BAccuracy, search, and performance

CAdaptive weighting and standardization

DEmpirical components, accuracy, and performance

Answer : B

IBM Big Data Engineer C2090-101 Exam Questions