________________ is the parallel programming model for writing Hadoop distributed applications.

• A) Namenode
• B) Datanode
• C) MapReduce
• D) Hadoop Distributed File System

In Hbase, which of the following command does not belong to DDL?

• A) describe
• B) list
• C) create
• D) count

drop_all and alter commands belong to _____________ in Hbase.

• A) Basic Commands
• B) DML
• C) General Commands
• D) DDL

In Hbase, which command is used to provide information about user?

• A) version
• B) status
• C) whoami
• D) table_help

Apache Hive is used to process ___________ data in Hadoop.

• A) Semi-structured
• B) Structured
• C) Both Structured and Un-structured
• D) Un-structured

The system having the namenode acts as the __________ server.

• A) Slave
• B) Data
• C) Master
• D) Block

In Sqoop, the input to the import process is a _____________.

• A) Database record
• B) Database field
• C) Database table
• D) Database relationships

MapReduce is devised at _______________.

• A) Google
• B) Facebook
• C) Yahoo
• D) Amazon

Hadoop Distributed File System (HDFS) is a distributed file system which is designed to run on:

• A) Powerful hardware
• B) Costly hardware
• C) Commodity hardware
• D) Special hardware

Which of the following command will start the namenode as well as the data nodes as cluster?

• A) $ start-dfs.sh
• B) $ start-dfs.hh
• C) $ start-dfs.sn
• D) $ start-dfs.hs

Which of the following is known as a Complex type in Hive?

• A) STRING
• B) FLOAT
• C) INT
• D) STRUCT

HDFS follows the __________ architecture.

• A) Node-node
• B) Worker-slave
• C) Master-slave
• D) Master-worker

The minimum amount of data that HDFS can read or write is called a __________________.

• A) WORD
• B) Block
• C) Bit
• D) Byte

In Hbase, which of the following command deletes all the cells in a given row?

• A) delete
• B) drop
• C) truncate
• D) deleteall

Which of the following is not related to Hadoop file system?

• A) Hbase
• B) Hive
• C) Oracle
• D) HDFS

Hbase provides data replication across ____________.

• A) Tables
• B) Servers
• C) Clients
• D) Clusters

Sqoop Import is used to transfer data:

• A) From Hadoop file system to Relational Database Management System.
• B) From Relational Database Management System to Hadoop file system
• C) From Relational Database Management System to Relational Database Management System.
• D) From Hadoop file system to Hadoop file system.

________ is the slave/worker node and holds the user data in the form of Data Blocks.

• A) NameNode
• B) Data block
• C) DataNode
• D) Replication

In Sqoop, the import tool imports _________from RDBMS to HDFS.

• A) Individual Tables
• B) Individual Columns
• C) Individual Rows
• D) Individual record

Sqoop Export is used to transfer data:

• A) From Hadoop file system to Hadoop file system.
• B) From Relational Database Management System to Relational Database Management System.
• C) From Hadoop file system to Relational Database Management System.
• D) From Relational Database Management System to Hadoop file system.