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Cloud Computing

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

What is a cloud database?

a)
A cloud database is a type of local storage device.
b)
A cloud database is a physical server located on-site.
c)
A cloud database is a software application for desktop use.
d)

A database running on cloud servers managed by providers

2.

Which type of database uses tables with rows and columns?

a)
Relational database
b)
NoSQL database
c)
Object-oriented database
d)
Graph database
3.

Which is TRUE about NoSQL databases?

a)

NoSQL databases require a fixed schema for data storage.

b)
NoSQL databases are only suitable for small datasets.
c)

They are best for fast-growing, unstructured data

d)
NoSQL databases can only handle structured data.
4.

Amazon RDS is mainly used for:

a)
Hosting static websites on AWS.
b)
Managing virtual machines on-premises.
c)
Managing relational databases in the cloud.
d)
Storing unstructured data in the cloud.
5.

Azure Cosmos DB is known for:

a)
High cost, limited scalability, single-model support, low performance.
b)
Local distribution, rigid data structure, high latency, low availability.
c)
Complex setup, no support for multiple data types, inconsistent performance, low redundancy.
d)

Global distribution, multi-model support, low latency, high availability and NoSQL support

6.

Google Cloud Spanner combines:

a)
Graph database with NoSQL performance
b)
Key-value store with relational features
c)
Document storage with SQL capabilities
d)
Relational database features with NoSQL scalability
7.

What is the purpose of cloud backups?

a)
Cloud backups are used to enhance internet speed and connectivity.
b)
The purpose of cloud backups is to increase local storage capacity.
c)
The purpose of cloud backups is to securely store data offsite for recovery in case of loss or disasters.
d)
Cloud backups are primarily for sharing files with others online.
8.

High Availability (HA) means:

a)
A system that is frequently offline and hard to access.
b)
A setup that guarantees complete system failure.
c)
A configuration that requires constant manual intervention.
d)
A system that is operational and accessible with minimal downtime.
9.

Fault tolerance means:

a)
The ability of a system to continue functioning in the event of a failure.
b)
The process of backing up data to prevent loss.
c)
The ability to upgrade a system without downtime.
d)
The capacity of a system to recover from data loss.
10.

Which type of database requires you to define the structure (schema) BEFORE adding data?

a)

NoSQL

b)

Graph

c)

Key-value

d)

Relational (SQL)

11.

RTO (Recovery Time Objective) measures:

a)

How fast you must recover after a disaster

b)
The minimum time needed for system maintenance.
c)
The total time required to recover data.
d)
The average time taken for system upgrades.
12.

GDPR is a privacy regulation for:

a)
government agencies in the EU only
b)
individuals within the European Union (EU) and the European Economic Area (EEA)
c)
businesses outside the EU and EEA
d)
individuals in North America and Asia
13.

What does "Encryption at Rest" protect?

a)
Data stored in cloud services.
b)
Data transmitted over the internet.
c)
Data in transit between servers.
d)
Data stored on physical media.
14.

Disaster Recovery (DR) is:

a)

A plan to dance when things go wrong

b)

A plan to restore IT systems after a major problem

c)

Only about backing up photos

d)
Masking compresses sensitive data for storage.
15.

Which of the following is a characteristic of a microservices architecture?

a)

Independent deployment of services.

b)

Limited scalability and flexibility.

c)

Monolithic design with tightly coupled components.

d)

Single database for all services.

16.

Aggregation involves:

a)
Combining multiple elements or data points into a single summary.
b)
Separating individual elements into distinct categories.
c)
Analyzing data points without summarizing them.
d)
Transforming data into a visual representation.
17.

A social media app with millions of posts, likes, and comments should probably use:

a)

Relational database

b)

Spreadsheet

c)

Text file

d)

NoSQL database

18.

Which regulation protects patient health information in the United States?

a)

GDPR

b)

HIPAA

c)

PCI DSS

d)

ISO 27001

19.

Which database is best for a banking app that needs complex transactions and 100% data accuracy?

a)

NoSQL document database

b)

Wide-column database

c)

In-memory database

d)

Relational (SQL) database

20.

What does the term 'Data Breach' refer to?

a)

Unauthorized access to sensitive data.

b)

Data being lost due to system failure.

c)

Data being transferred securely over the internet.

d)

Data being archived for future use.

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