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Hadoop
Amazon Elastic Mapreduce
Quiz 1
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Q.1
Amazon EMR also allows you to run multiple versions concurrently, allowing you to control your ___________ version upgrade.
a) Pig
b) Windows Server
c) Hive
d) Ubuntu
Q.2
Point out the correct statement.
a) Amazon Elastic MapReduce (Amazon EMR) provides support for Apache Hive
b) Pig extends the SQL paradigm by including serialization formats and the ability to invoke mapper and reducer scripts
c) The Amazon Hive default input format is text
d) All of the mentioned
Q.3
The Amazon EMR default input format for Hive is __________
a) org.apache.hadoop.hive.ql.io.CombineHiveInputFormat
b) org.apache.hadoop.hive.ql.iont.CombineHiveInputFormat
c) org.apache.hadoop.hive.ql.io.CombineFormat
d) All of the mentioned
Q.4
Hadoop clusters running on Amazon EMR use ______ instances as virtual Linux servers for the master and slave nodes.
a) EC2
b) EC3
c) EC4
d) None of the mentioned
Q.5
Point out the wrong statement.
a) Apache Hive saves Hive log files to /tmp/{user.name}/ in a file named hive.log
b) Amazon EMR saves Hive logs to /mnt/var/log/apps/
c) In order to support concurrent versions of Hive, the version of Hive you run determines the log file name
d) None of the mentioned
Q.6
Amazon EMR uses Hadoop processing combined with several __________ products.
a) AWS
b) ASQ
c) AMR
d) AWES
Q.7
___________ is an RPC framework that defines a compact binary serialization format used to persist data structures for later analysis.
a) Pig
b) Hive
c) Thrift
d) None of the mentioned
Q.8
Impala on Amazon EMR requires _________ running Hadoop 2.x or greater.
a) AMS
b) AMI
c) AWR
d) All of the mentioned
Q.9
Impala executes SQL queries using a _________ engine.
a) MAP
b) MPP
c) MPA
d) None of the mentioned
Q.10
Amazon EMR clusters can read and process Amazon _________ streams directly.
a) Kinet
b) kinematics
c) Kinesis
d) None of the mentioned
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