In a MapReduce application, what does the term "InputFormat" represent?

What does the term "InputFormat" represent in the context of a MapReduce job?

A

Defines how input data is read

B

Defines the map output format

C

Defines the reduce output format

D

Defines the partitioning logic

What does the term "InputFormat" represent in MapReduce?

A

Defines how input data is read

B

Defines the map output format

C

Defines the reduce output format

D

Defines the partitioning logic

What is the significance of the Hadoop MapReduce "Custom InputFormat" in advanced MapReduce?

A

Customize the way input data is read

B

Customize the way map output is formatted

C

Customize the way reduce output is formatted

D

Customize the partitioning logic

In the following figure, Triangle represent school, Square represent college, Circle represent Students, Rectangle represent Private college, and Trapezium represent Distance learning. Which set of letter represent college student that opted for distance learning.

A

G

B

H

C

Both 1 and 2

D

K

What is the significance of the Hadoop MapReduce "MapReduce over HBase" in advanced MapReduce?

A

Process data stored in HBase

B

Process data stored in HDFS

C

Execute MapReduce jobs

D

Manage computation resources

In advanced MapReduce, what is the significance of the Hadoop MapReduce "MapReduce speculative execution"?

A

Execute multiple Map tasks in parallel

B

Execute a backup task if the original task is slow

C

Execute Map and Reduce tasks simultaneously

D

Execute tasks in a distributed environment

In the following figure Rectangle represent Bread, Circle represent Pizza, triangle represent Burger, and Square represent Cheese. Which set of letter represent cheese and bread.

A

B

C

D

None of the above.

In the following figure Rectangle represent rugby players, Circle represent Chess player, triangle represent Sprinter, and square represent Kabaddi Player. Which set of letters represent Chess player and Kabaddi player but not sprinter.

A

JB

B

JH

C

JBH

D

BH

You are a developer for a XYZ Inc that provides free software over the Internet. You are developing en e-mail application that users all over the world can download. The application displays text strings in the user interface. At run time, these text strings must appear in the language that is appropriate to the locale setting of the computer running the application. You have resources to develop versions of the application for only four different cultures.You must ensure that your application will also be usable by people of other cultures.
How should you prepare the application for deployment?

A

Package a different assembly for each culture.

B

Package a different executable file for each culture.

C

Package a main assembly for source code and the default culture. Package satellite assemblies for the other cultures.

D

Package a main assembly for source code. Package satellite assemblies for each culture.

The Hadoop MapReduce framework spawns one map task for each __________ generated by the InputFormat for the job.

A

OutputSplit

B

InputSplit

C

InputSplitStream

D

All of the mentioned

In a MapReduce application, what does the term "InputFormat" represent?

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