
Scala & Spark-Master Big Data with Scala and Spark - Word Count Example
Interactive Video
•
Computers
•
9th - 10th Grade
•
Practice Problem
•
Hard
Wayground Content
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in setting up a word count example in Spark RDDs?
Reading the input file
Importing necessary libraries
Creating a new notebook
Configuring the Spark context
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which function is used to read data from a text file in Spark?
readTextFile
textFile
readFile
loadFile
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a step in setting up the Spark context?
Importing Spark libraries
Sorting the input data
Creating a configuration variable
Setting the application name
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the flatMap function do in the context of word count?
Splits lines into words
Counts the number of lines
Sorts the words alphabetically
Combines all words into a single string
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the output of the flatMap function in the word count example?
A list of sentences
A list of words
A list of characters
A list of lines
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the word count example, what is the purpose of using the map function?
To filter out common words
To sort the words
To create key-value pairs for each word
To split lines into words
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the map function transform the data in the word count example?
By reversing the order of words
By converting words to uppercase
By removing punctuation
By creating key-value pairs for each word
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