Spark-Scala Quiz Questions and Answers – Crack It In 7 Min
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After learning Apache Spark and Scala try your hands on Spark-Scala Quiz and get to know your learning so far. Below is some multiple choice Questions corresponding to them are the choice of answers. This quiz will help you to revise the concepts of Apache Spark and Scala will build up your confidence in Spark. Hope these questions are helpful for you.
Q.1 Which of the following organized a data into a named column?
Q.2 Which of the following provide the object-oriented programming interface
Q.3 After transforming into DataFrame one cannot regenerate a domain object
Q.4 RDD allows Java serialization
Q.5 Which of the following make use of an encoder for serialization.
Q.6 Apache Spark is presently added in all major distribution of Hadoop
Q.7 Does Dataset API support Python and R.
Q.8 Which of the following is slow to perform simple grouping and aggregation operations.
Q.9 Which of the following is good for low-level transformation and actions.
Q.10 Which of the following technology is good for Stream technology?
Q.11 Which of the following is not true for Apache Spark Execution?
Q.12 When SQL run from the other programming language the result will be
Q.13 The Dataset API is accessible in
Q.14 Dataset API is not supported by Python. But because of the dynamic nature of Python, many benefits of Dataset API are available.
Q.15 Which of the following is true for Catalyst optimizer?
Q.16 Which of the following are uses of Apache Spark SQL?
Q.17 With the help of Spark SQL, we can query structured data as a distributed dataset (RDD).
Q.18 Spark SQL can connect through JDBC or ODBC.
Q.19 Using Spark SQL, we can create or read a table containing union fields.
Q.20 Which of the following is true for Spark SQL?
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