
LAB VIVA -DCDM
Quiz
•
Computers
•
University
•
Practice Problem
•
Hard
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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