BigdataAnalytics-2023

USN

NAME

A ________ node acts as the Slave and is responsible for executing a Task assigned to it by the JobTracker.

• namenode

• Job tracker

• Tasktracker

• Map reduce

------ message is send to ensure connectivity between the name node and data node

• Hello

• Becon

• Heartbeat

• alive

------- is responsible of resource managment

• Yarn

• Hive

• Map

• Reduce

The default replication factor in HDFS is _____-

• 4

• 3

• 5

• 1

Cassandra is ______ data base

• SQL

• Nosql

• relational

• excel

Two replicaton strategy in Cassandra are

• Simple and complex

   

• single node and network Toplogy

• Simple and Network topology Strategy

• All of the above

________ function is responsible for consolidating the results produced by each of the Map() functions/tasks.

• Mapper

• Reducer

• Shuffle

• Partition

In Hive when the table is dropped, _____ type of table  retains the data in the underlying location

• External table

• Managed Table

• Internal Table

• All of the Above