Refresh your knowledge in DE

Refresh your knowledge in DE

Professional Development

18 Qs

quiz-placeholder

Similar activities

AI_Driven_Retail_Intelligence

AI_Driven_Retail_Intelligence

Professional Development

20 Qs

IT Test

IT Test

Professional Development

15 Qs

Information Security Controls Quiz

Information Security Controls Quiz

Professional Development

22 Qs

GCCD 2025 Coimbatore Quiz

GCCD 2025 Coimbatore Quiz

Professional Development

15 Qs

Python Chapter 5: Functions

Python Chapter 5: Functions

Professional Development

15 Qs

Internal Order Perta Arun Gas

Internal Order Perta Arun Gas

Professional Development

15 Qs

Refresh your knowledge in DE

Refresh your knowledge in DE

Assessment

Quiz

Information Technology (IT)

Professional Development

Easy

Created by

Abdellah ELAAROUB

Used 1+ times

FREE Resource

AI

Enhance your content in a minute

Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...

18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When is ELT better than ETL?

With cloud data warehouses

With on-premise databases

When transforming before loading

When no transformation is needed

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a common issue when handling large-scale distributed data?

High network latency

Lack of storage space

Excessive manual data entry

Too many relational tables

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a primary goal of data normalization?

Increase storage usage

Reduce redundancy

Speed up queries

Remove all primary keys

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which data processing model is best for handling large-scale batch data?

Event-driven

Lambda

OLAP

OLTP

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which tool is commonly used for building ETL pipelines?

Apache Kafka

Apache Airflow

Elasticsearch

Apache NIFI

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main drawback of data denormalization?

Increased redundancy

Slower queries

More complex joins

Loss of integrity

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which SQL technique improves query performance on large tables?

Joins

Indexing

Normalization

CTEs

Create a free account and access millions of resources

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

By signing up, you agree to our Terms of Service & Privacy Policy

Already have an account?