Best Practices and Optimization of Hadoop MCQ question and answer with solution | Hadoop MCQs

A. virtual

B. real

C. distributed

D. all of the mentioned

A. Impala

B. BigTop

C. Oozie

D. Flume

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

A. With Kafka, more users, whether using SQL queries or BI applications, can interact with more data

B. A topic is a category or feed name to which messages are published

C. For each topic, the Kafka cluster maintains a partitioned log

D. None of the mentioned

A. Oozie v2 is a server based Coordinator Engine specialized in running workflows based on time and data triggers

B. Oozie v1 is a server based Workflow Engine specialized in running workflow jobs with actions that execute Hadoop Map/Reduce and Pig jobs

C. A Workflow application is DAG that coordinates the following types of actions

D. None of the mentioned

A. Lucene

B. ALOIS

C. Imphal

D. None of the mentioned

A. cTakes

B. Hive

C. Pig

D. Oozie

A. Shell

B. Command Line

C. Compaction

D. None of the mentioned

A. DirectMemory

B. Directory

C. DeviceMap

D. Drill

A. EC3

B. EC4

C. EMR

D. None of the mentioned