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

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CCA Spark and Hadoop Developer Exam - Performance Based Scenarios Questions and Answers

Question 1

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.

Options:

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Question 2

Problem Scenario 80 : You have been given MySQL DB with following details.

user=retail_dba

password=cloudera

database=retail_db

table=retail_db.products

jdbc URL = jdbc:mysql://quickstart:3306/retail_db

Columns of products table : (product_id | product_category_id | product_name | product_description | product_price | product_image )

Please accomplish following activities.

1. Copy "retaildb.products" table to hdfs in a directory p93_products

2. Now sort the products data sorted by product price per category, use productcategoryid colunm to group by category

Options:

Question 3

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

Options: