CCA175 Exam Dumps : CCA Spark and Hadoop Developer Exam

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 73 : You have been given data in json format as below.

{"first_name":"Ankit", "last_name":"Jain"}

{"first_name":"Amir", "last_name":"Khan"}

{"first_name":"Rajesh", "last_name":"Khanna"}

{"first_name":"Priynka", "last_name":"Chopra"}

{"first_name":"Kareena", "last_name":"Kapoor"}

{"first_name":"Lokesh", "last_name":"Yadav"}

Do the following activity

1. create employee.json file locally.

2. Load this file on hdfs

3. Register this data as a temp table in Spark using Python.

4. Write select query and print this data.

5. Now save back this selected data in json format.