Responsi Big Data and Predictive Lanjut

Responsi Big Data and Predictive Lanjut

University

86 Qs

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Responsi Big Data and Predictive Lanjut

Responsi Big Data and Predictive Lanjut

Assessment

Quiz

Computers

University

Practice Problem

Medium

Created by

Mulia Sulistiyono

Used 8+ times

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86 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Apa fungsi utama dari SparkContext dalam PySpark?

Membaca file CSV

Membuat koneksi cluster

Menulis data ke tabel

Menambah kolom data

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Apa peran dari master dalam konfigurasi cluster Spark?

Mengirim hasil perhitungan ke worker

Mengatur pembagian data dan perhitungan ke worker

Menerima data dari worker

Menyimpan data secara lokal

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Bagaimana cara membuat SparkSession di PySpark?

spark = SparkSession.builder.create()

spark = SparkSession.builder.getOrCreate()

spark = SparkContext()

spark = SparkSession.start()

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Apakah output dari perintah print(spark.catalog.listTables())?

Daftar kolom di DataFrame

Daftar tabel dalam SparkSession

Daftar semua worker dalam cluster

Informasi konfigurasi SparkSession

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Apa yang dilakukan perintah flights10.filter("distance > 1000")?

Menampilkan semua data di tabel flights10

Memfilter data dengan jarak di atas 1000

Menghapus data yang jaraknya kurang dari 1000

Mengelompokkan data berdasarkan jarak

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Bagaimana cara melakukan query untuk menampilkan hanya data dari kolom origin, dest, dan distance?

flights.select(['origin', 'dest', 'distance'])

flights.filter('origin', 'dest', 'distance')

flights.groupby(['origin', 'dest', 'distance'])

flights.where(['origin', 'dest', 'distance'])

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Apa tujuan dari perintah flights.withColumn('duration_hrs', flights.air_time / 60)?

Menambahkan kolom baru duration_hrs

Menghapus kolom air_time

Mengganti nilai di kolom air_time

Menghapus data dalam kolom duration_hrs

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