wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

hadoop-map reduce

Total questions: 11

Worksheet time: 4mins

Name
Class
Date
1.

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

a)

MapReduce

b)

Mapper

c)

TaskTracker

d)

JobTracker

2.

The output of the _______ is not sorted in the Mapreduce framework for Hadoop.

a)

Mapper

b)

Cascader

c)

Scalding

d)

None of the mentioned

3.

DFS

a)

Distributed File System

b)

Deputed File System

c)

Disk File System

d)

Drive File System

4.

NFS

a)

Network File System

b)

Non File System

c)

Non network File System

d)

None of the mentioned

5.

___________ part of the MapReduce is responsible for processing one or more chunks of data and producing the output results.

a)

Maptask

b)

Mapper

c)

Task execution

d)

All of the mentioned

6.

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

a)

Reduce

b)

Map

c)

Reducer

d)

process

7.

The ________ option allows you to copy jars locally to the current working directory of tasks and automatically unjar the files.

a)

archives

b)

files

c)

task

d)

None of the mentioned

8.

Although the Hadoop framework is implemented in Java , MapReduce applications need not be written in :

a)

apple

b)

Java interface

c)

c$

d)

C

9.

Although the Hadoop framework is implemented in Java, MapReduce applications need not be written in ____________

a)

Java

b)

applet

c)

c

d)

c#

10.

_________ maps input key/value pairs to a set of intermediate key/value pairs.

a)

Mapper

b)

Reducer

c)

Both Mapper and Reducer

d)

None of the mentioned

11.

The number of maps is usually driven by the total size of ____________

a)

inputs

b)

outputs

c)

tasks

d)

None of the mentioned