LAB VIVA -DCDM

LAB VIVA -DCDM

University

25 Qs

quiz-placeholder

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LAB VIVA -DCDM

LAB VIVA -DCDM

Assessment

Quiz

Computers

University

Practice Problem

Hard

Created by

Rupashini P R

Used 2+ times

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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which Python method is used to insert documents into a MongoDB collection?

insert_documents()

add_documents()

insert_one()

add_one()

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the 'combiner' in MapReduce?

To filter the data

To execute Map tasks

To summarize the intermediate results

To manage job scheduling

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following tools is primarily used for managing Hadoop clusters?

Spark

YARN

HDFS

MapReduce

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In MongoDB, collections are:

SQL tables

Sets of documents

Rows in a table

None of the above

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which command is used to start a Hadoop Distributed File System (HDFS)?

start-dfs.sh

hadoop-init.sh

start-hadoop.sh

init-hdfs.sh

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a Python MongoDB implementation, which function is used to connect to the database?

MongoConnect()

MongoClient()

DatabaseConnect()

MongoDBConnect()

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which API is used to manage and manipulate HDFS programmatically?

HDFS API

Hadoop API

WebHDFS API

MapReduce API

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