Hadoop Online Quiz

Q 1 - Which of these provides a Stream processing system used in Hadoop ecosystem?

A - Solr

B - Tez

C - Spark

D - Hive

Q 2 - In the local disk of the namenode the files which are stored persistently are −

A - namespace image and edit log

B - block locations and namespace image

C - edit log and block locations

D - Namespace image, edit log and block locations.

Q 3 - Which scenario demands highest bandwidth for data transfer between nodes in Hadoop?

A - Different nodes on the same rack

B - Nodes on different racks in the same data center.

C - Nodes in different data centers

D - Data on the same node.

Q 4 - The hadoop frame work is written in

A - C++

B - Python

C - Java

D - GO

Q 5 - Which of the below apache system deals with ingesting streaming data to hadoop

A - Ozie

B - Kafka

C - Flume

D - Hive

Q 6 - The type of data Hadoop can deal with is

A - Structred

B - Semi-structured

C - Unstructured

D - All of the above

Q 7 - The current limiting factor to the size of a hadoop cluster is

A - Excess heat generated in data center

B - Upper limit of the network bandwidth

C - Upper limit of the RAM in namenode

D - 4000 data nodes

Q 8 - In a HDFS system with block size 64MB we store a file which is less than 64MB. Which of the following is true?

A - The file will consume 64MB

B - The file will consume more than 64MB

C - The file will consume less than 64MB.

D - Can not be predicted.

Q 9 - Which of the following technologies is a document store database?

A - HBase

B - Hive

C - Cassandra

D - CouchDB

Q 10 - You have loads of data that can be processed by you MRjobs. However you need the data to be available to Analysts and Scients in you organisation. What is the best format to represent the input?

A - Sequence File.

B - Avro.

C - XML.

D - HTML.