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Spark Preliminaries Interview Questions and Answers
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Questions
Spark Preliminaries
0
votes
Q: Is it necessary to install Spark on all the nodes of a YARN cluster when running Spark applications?
asked
Feb 15, 2023
in
Spark Preliminaries
by
Robindeniel
spark-install
0
votes
Q: what is Spark Streaming's caching.
asked
Feb 15, 2023
in
Spark Preliminaries
by
Robindeniel
spark-streaming-cache
0
votes
Q: What does it mean to operate in a sliding window fashion?
asked
Feb 15, 2023
in
Spark Preliminaries
by
Robindeniel
sliding-window
0
votes
Q: How can you set up automatic cleanups in Spark to deal with metadata that has built up?
asked
Feb 15, 2023
in
Spark Preliminaries
by
Robindeniel
automatic-cleanups
0
votes
Q: Why are broadcast variables important when working with Apache Spark?
asked
Feb 15, 2023
in
Spark Preliminaries
by
Robindeniel
boadcase-variables
+1
vote
Q: What is Spark SQL's Catalyst optimizer?
asked
Feb 12, 2023
in
Spark Preliminaries
by
sharadyadav1986
catalyst-optimizer
sql
+2
votes
Q: How to stop/start the Splunk service?
asked
Nov 24, 2022
in
Spark Preliminaries
by
Robin
splunk-services
splunk-start
splunk-stop
+1
vote
Q: Which is not a Storage level in Spark ?
asked
Sep 16, 2022
in
Spark Preliminaries
by
sharadyadav1986
spark-preliminaries
storage
spark
+1
vote
Q: By default Spark uses which algorithm to remove old and unused RDD to release more memory.
asked
Sep 16, 2022
in
Spark Preliminaries
by
sharadyadav1986
spark
rdd
spark-preliminaries
0
votes
Q: RDDs can also be unpersisted to remove RDD from a permanent storage like memory and/or disk.
asked
Sep 16, 2022
in
Spark Preliminaries
by
sharadyadav1986
spark-preliminaries
rdd
storage
0
votes
Q: Which of the following is true of caching the RDD ?
asked
Sep 16, 2022
in
Spark Preliminaries
by
sharadyadav1986
spark
rdd
caching
spark-preliminaries
0
votes
Q: Types of operations that can be performed on RDDs
asked
Sep 16, 2022
in
Spark Preliminaries
by
sharadyadav1986
spark-preliminaries
rdd
+1
vote
Q: To launch a Spark application in any one of the four modes(local, standalone, MESOS or YARN) use
asked
Sep 16, 2022
in
Spark Preliminaries
by
sharadyadav1986
spark-preliminaries
spark-applications
+1
vote
Q: Which tells spark how and where to access a cluster
asked
Sep 16, 2022
in
Spark Preliminaries
by
sharadyadav1986
spark-preliminaries
0
votes
Q: Which is responsible for task scheduling and memory management ?
asked
Sep 16, 2022
in
Spark Preliminaries
by
sharadyadav1986
spark-preliminaries
memory-management
+1
vote
Q: Which of the following is true of running a Spark application on Hadoop YARN?
asked
Sep 16, 2022
in
Spark Preliminaries
by
sharadyadav1986
spark-preliminaries
+1
vote
Q: Which of the following Scala statement would be most appropriate to load the data (sfpd.txt) into an RDD? Assume that SparkContext is available as the variable “sc” and SQLContext as the variable “sqlContext.”
asked
Sep 16, 2022
in
Spark Preliminaries
by
sharadyadav1986
spark-preliminaries
+1
vote
Q: Spark can integrate with which of the following data storage systems?
asked
Sep 16, 2022
in
Spark Preliminaries
by
sharadyadav1986
spark-preliminaries
+1
vote
Q: Which of the following file formats are supported by Spark ?
asked
Sep 16, 2022
in
Spark Preliminaries
by
sharadyadav1986
spark-preliminaries
+1
vote
Q: Benefits of using appropriate file formats in Spark
asked
Sep 16, 2022
in
Spark Preliminaries
by
sharadyadav1986
spark
formats
+1
vote
Q: Spark supports loading data from Hbase.
asked
Sep 16, 2022
in
Spark Preliminaries
by
sharadyadav1986
spark-preliminaries
+1
vote
Q: An instance of the Spark SQL execution engine that integrates with data stored in Hive:
asked
Sep 16, 2022
in
Spark Preliminaries
by
sharadyadav1986
spark-preliminaries
spark-sql
0
votes
Q: RDD is in spark
asked
Sep 16, 2022
in
Spark Preliminaries
by
sharadyadav1986
rdd
spark-preliminaries
0
votes
Q: Which action returns all the elements of the dataset as an array.
asked
Sep 16, 2022
in
Spark Preliminaries
by
sharadyadav1986
spark-preliminaries
0
votes
Q: We can edit the data of RDD like conversion to uppercase
asked
Sep 16, 2022
in
Spark Preliminaries
by
sharadyadav1986
rdd
spark-preliminaries
0
votes
Q: Identify correct transformation
asked
Sep 16, 2022
in
Spark Preliminaries
by
sharadyadav1986
transformation
spark-preliminaries
0
votes
Q: Choose correct statement about RDD
asked
Sep 16, 2022
in
Spark Preliminaries
by
kamalkhandelwal29
spark-preliminaries
0
votes
Q: Choose correct statement
asked
Sep 16, 2022
in
Spark Preliminaries
by
kamalkhandelwal29
spark-preliminaries
0
votes
Q: The transformation which produces one output value for each input value and the operation which produces an arbitrary number values for each input value.
asked
Sep 16, 2022
in
Spark Preliminaries
by
kamalkhandelwal29
spark-transformation
spark-preliminaries
0
votes
Q: Spark can store its data in?
asked
Sep 16, 2022
in
Spark Preliminaries
by
kamalkhandelwal29
spark-preliminaries
spark
data-storage
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