CCA175 Exam Dumps : CCA Spark and Hadoop Developer Exam - Performance Based Scenarios

Problem Scenario 59 : You have been given below code snippet.

val x = sc.parallelize(1 to 20)

val y = sc.parallelize(10 to 30) operationl

z.collect

Write a correct code snippet for operationl which will produce desired output, shown below. Array[lnt] = Array(16,12, 20,13,17,14,18,10,19,15,11)

Problem Scenario 45 : You have been given 2 files , with the content as given Below

(spark12/technology.txt)

(spark12/salary.txt)

(spark12/technology.txt)

first,last,technology

Amit,Jain,java

Lokesh,kumar,unix

Mithun,kale,spark

Rajni,vekat,hadoop

Rahul,Yadav,scala

(spark12/salary.txt)

first,last,salary

Amit,Jain,100000

Lokesh,kumar,95000

Mithun,kale,150000

Rajni,vekat,154000

Rahul,Yadav,120000

Write a Spark program, which will join the data based on first and last name and save the joined results in following format, first Last.technology.salary

Problem Scenario 54 : You have been given below code snippet.

val a = sc.parallelize(List("dog", "tiger", "lion", "cat", "panther", "eagle"))

val b = a.map(x => (x.length, x))

operation1

Write a correct code snippet for operationl which will produce desired output, shown below.

Array[(lnt, String)] = Array((4,lion), (7,panther), (3,dogcat), (5,tigereagle))