[Solved]-Question 1 Ch25 Spark Dataframes Also Immutable Similar Rdds Question 1 Options 1 True 2 F Q37271017

Question 1 (ch25)

In Spark, DataFrames are also “immutable” similar to RDDs.

Question 1 options:

1) True2) False

Question 2

After a spark session is created, the following statementbasically reads data from aaa.csv on HDFS and lets Spark decipherthe data type for each column.

spark.read.csv(“/user/maria_dev/aaa.csv”, header=True)

Question 2 options:

1) True2) False

Question 3 ()

Spark can do batch or real-time data processing, but MapReducealone is primarily used for batch data processing.

Question 3 options:

1) True2) False

Question 4 ()

Java, Python and Scala are popular languages to access ApacheSpark.

Question 4 options:

1) True2) False

Question 5

Zeppelin notebook lets you write code in differentlanguages.

Question 5 options:

1) True2) False

Expert Answer

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Answer to Question 1 (ch25) In Spark, DataFrames are also “immutable” similar to RDDs. Question 1 options: 1) True 2) False Questi… . . .