Hortonworks Hadoop-PR000007 HDPCD Exam Practice Test Instant Access

Question 1

Consider the following two relations, A and B.

What is the output of the following Pig commands?

X = GROUP A BY S1;

DUMP X;

AOption

BOption

COption

DOption

Answer : D

Question 2

Given the following Hive commands:

Which one of the following statements Is true?

AThe file mydata.txt is copied to a subfolder of /apps/hive/warehouse

BThe file mydata.txt is moved to a subfolder of /apps/hive/warehouse

CThe file mydata.txt is copied into Hive's underlying relational database 0.

DThe file mydata.txt does not move from Its current location in HDFS

Answer : B

Question 3

Which YARN component is responsible for monitoring the success or failure of a Container?

AResourceManager

BApplicationMaster

CNodeManager

DJobTracker

Answer : B

Question 4

Given the following Hive command:

Which one of the following statements is true?

AThe files in the mydata folder are copied to a subfolder of /apps/hlve/warehouse

BThe files in the mydata folder are moved to a subfolder of /apps/hive/wa re house

CThe files in the mydata folder are copied into Hive's underlying relational database

DThe files in the mydata folder do not move from their current location In HDFS

Answer : D

Question 5

What are the TWO main components of the YARN ResourceManager process? Choose 2 answers

AJob Tracker

BTask Tracker

CScheduler

DApplications Manager

Answer : C, D

Question 6

Given the following Pig command:

logevents = LOAD 'input/my.log' AS (date:chararray, levehstring, code:int, message:string);

Which one of the following statements is true?

AThe logevents relation represents the data from the my.log file, using a comma as the parsing delimiter

BThe logevents relation represents the data from the my.log file, using a tab as the parsing delimiter

CThe first field of logevents must be a properly-formatted date string or table return an error

DThe statement is not a valid Pig command

Answer : D

Question 7

Which one of the following statements is false about HCatalog?

AProvides a shared schema mechanism

BDesigned to be used by other programs such as Pig, Hive and MapReduce

CStores HDFS data in a database for performing SQL-like ad-hoc queries

DExists as a subproject of Hive

Answer : C

Hortonworks Hadoop-PR000007 Hortonworks-Certified-Apache-Hadoop-2.0-Developer(Pig and Hive Developer) HDPCD Exam Practice Test