
Quiz Big Data

Quiz
•
Information Technology (IT)
•
University
•
Hard
Widie Has
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sistem OLTP terutama digunakan untuk:
Analisis data historis
Pemrosesan transaksi real-time
Pelaporan multidimensi
Transformasi data tidak terstruktur
Penyimpanan data denormalisasi
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ciri utama OLAP adalah:
Menjalankan kueri sederhana dengan respons cepat
Menggunakan database terdenormalisasi untuk analisis kompleks
Hanya memproses data terstruktur
Tidak memerlukan ETL
Fokus pada transaksi harian
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Proses ETL bertujuan untuk:
Menghapus data historis dari warehouse
Mengubah data dari sumber ke target dengan aturan tertentu
Menggantikan kebutuhan OLAP
Membuat data menjadi terstruktur saja
Menyederhanakan kueri OLTP
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Data warehouse berbeda dari OLTP karena:
Menyimpan data real-time saja
Menggunakan struktur data terdenormalisasi
Tidak memerlukan integrasi data
Hanya untuk transaksi operasional
Tidak mendukung OLAP
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Data mart adalah:
Subset data warehouse untuk departemen tertentu
Sumber data mentah untuk ETL
Pengganti data warehouse
Database operasional
Hanya menyimpan data tidak terstruktur
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Contoh sistem OLTP adalah:
Laporan keuangan bulanan
Sistem reservasi tiket online
Dashboard analitik prediktif
Tools visualisasi Big Data
Data mining historis
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kelemahan data warehouse adalah:
Tidak bisa menyimpan data historis
Waktu respons kueri melambat seiring pertumbuhan data
Hanya mendukung data terstruktur
Tidak kompatibel dengan OLAP
Menggunakan struktur data ternormalisasi
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