Practice Amazon Elastic Mapreduce Multiple Choice Questions with Answers Quiz-1

Q.1.

Amazon EMR also allows you to run multiple versions concurrently, allowing you to control your ___________ version upgrade.

Explanation

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

Explanation

Q.3.

The Amazon EMR default input format for Hive is __________

Explanation

Q.4.

Hadoop clusters running on Amazon EMR use ______ instances as virtual Linux servers for the master and slave nodes.

Explanation

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

Explanation

Q.6.

Amazon EMR uses Hadoop processing combined with several __________ products.

Explanation

Q.7.

___________ is an RPC framework that defines a compact binary serialization format used to persist data structures for later analysis.

Explanation

Q.8.

Impala on Amazon EMR requires _________ running Hadoop 2.x or greater.

Explanation

Q.9.

Impala executes SQL queries using a _________ engine.

Explanation

Q.10.

Amazon EMR clusters can read and process Amazon _________ streams directly.

Explanation