Cloudera Exam CCA175 Topic 1 Question 37 Discussion

Problem Scenario 64 : You have been given below code snippet.

val a = sc.parallelize(List("dog", "salmon", "salmon", "rat", "elephant"), 3)

val b = a.keyBy(_.length)

val c = sc.parallelize(Ust("dog","cat","gnu","salmon","rabbit","turkey","wolf","bear","bee"), 3)

val d = c.keyBy(_.length)

operation1

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

Array[(lnt, (Option[String], String))] = Array((6,(Some(salmon),salmon)), (6,(Some(salmon),rabbit}}, (6,(Some(salmon),turkey)), (6,(Some(salmon),salmon)), (6,(Some(salmon),rabbit)), (6,(Some(salmon),turkey)), (3,(Some(dog),dog)), (3,(Some(dog),cat)), (3,(Some(dog),gnu)), (3,(Some(dog),bee)), (3,(Some(rat), (3,(Some(rat),cat)), (3,(Some(rat),gnu)), (3,(Some(rat),bee)), (4,(None,wo!f)), (4,(None,bear)))