CASSANDRA QUIZ DESCRIPTION

Which method builds the cluster with the given contact points?

  • ResultSet execute()
     

  • Session connect()
     

  • Cluster build()
     

  • Cluster.Builder addContactPoint()

Which of the following is used for machine learning on hadoop?

  • Pig
      

  • Hive
     

  • HBase
     

  • Mahoot

Which of the configuration file is used to control the hdfs replication factor?

  •  core-site.xml
     

  • yarn-site.xml
       

  • hdfs-site.xml
      

  • mapred-site.xmlA

Which of the following critical feature of big data?

  • Volume
      

  • Velocity
     

  • Variety
      

  • All of the above

What is the role of journal node?

  •  Report the edit log information of the blocks in the data node.
     

  • Report the location of the blocks in a data node
        

  • Report the Schedules when the jobs are going to run
     

  • Report the activity of various components handled by resource manager

Who developed by NoSQL ?

  • Alen turing
        

  • Carlo Strozzi
     

  • Mayank K.
     

  • None of them

Job tracker runs on

  • Namenode
      

  • Secondary datanode
      

  • Datanode
     

  • Secondary namenode

Which of the following language is used for NoSQL?

  •  Java
       

  • SQL
     

  • Python
      

  • Pascal

What is Hive used as?

  • MapReduce wrapper
        

  • Hadoop query engine
       

  • Hadoop SQL interface
        

  • All of the above

Select the correct parameter to describes destination directory which would contain the archive ?

  • archiveName
     

  • destination
        

  • source
     

  • None of these

NoSQL databases typically handle large volumes of ...................

  • structured data
      

  • unstructured data
       

  • semi-structured data
     

  • None of the above

Which of them is a memory-resident data structure?
 

  • Data center
     

  • SSTable
     

  • Mem-table
     

  • Bloom filter

Which of the following is not a valid NoSQL database?

  • Scylla
       

  • Cassandra
      

  • Handhoop
       

  • PostgreSQL

Following represent column in NoSQL______

  • Field
     

  • Document
      

  • Database
     

  • Collection

NoSQL database are most often referred to as ..........

  • Network
      

  • Relational
     

  • Distributed
     

  • None of the above

 Which of the following is a primary classification for nosql architectures

  • Document & Graph Database
      

  • Key / value database
       

  • column-oriented database
     

  • All of the Above

By default, Cassandra uses __________ for cluster communication.

  • 3000
     

  • 5000
     

  •  7000
     

  • 9000

List the different kinds of NoSQL data stores?

  •  Key-value store
     

  • Column family store
      

  • Graph store
     

  • All of the above

Which method used to close the cluster instance?

  • close()
     

  •  void close()
     

  • data close()
     

  • cassendra close()

fetchdt command is not used to check for various inconsistencies.

  • True

  • False

Choose the core component of Hadoop?

  • Map Reduce
      

  • HDFS
     

  • Both 1 and 2
       

  • None of these

Select the default size of distributed cache?

  • 10 GB
      

  • 15 GB
     

  • 13 GB
       

  • 11 GB

CRUD stands for ____.
 

  • Create Read Update Delete
     

  • Change Return Upload Download
     

  •  Both A and B
     

  • Create Read Update Drop

What are the advantages of NoSQL?

  •  It does not have schema.
     

  • Read/Write throughput is very high.
      

  •  Horizontal scalability can be achieved easily.
     

  • All of the above

In which year NoSQL was released

  • 1996
     

  • 1997
     

  • 1998
     

  • 1999

Facebook Tackles Big Data With _______ based on Hadoop.

  • roject Bid
       

  • Project Prism
     

  • Prism
     

  • Project Data

Which of the following is a unit of replication in Cassandra?
 

  • Row
     

  •  Column
     

  • Both A and B
     

  •  None of the above

 Which of the following is not a strong feature for NoSQL databases?

  • Scalability
      

  • Relational data
     

  • Faster data access than RDBMS.
     

  • All of the above

 InputFormat class calls the ________ function and computes splits for each file and then sends them to the jobtracker.

  • getSplits
     

  • gets
     

  • puts
      

  • None of theseC

Which of the following is a NoSQL Database Type ?

  •  SQL
      

  • JSON
     

  • Document databases
     

  • All of the above