Cloud Computing: Concepts, Architectures, and Services

Question 1

Which of the following is NOT a key characteristic of a private cloud deployment model?

Accepted Answer

Offers limited scalability compared to public cloud

Answer

Owned and operated by a single organization

Answer

Provides the highest level of security and control

Answer

Typically more expensive than public cloud

Question 2

Which cloud security model places the primary responsibility for protecting data and applications on the cloud service provider?

Accepted Answer

Provider responsibility model

Answer

Shared responsibility model

Answer

Customer responsibility model

Answer

Zero-trust model

Question 3

What is the main purpose of a cloud scaling policy?

Accepted Answer

To automatically adjust cloud resources based on demand or usage patterns

Answer

To ensure that cloud services are always available

Answer

To optimize cloud costs

Answer

To improve cloud performance

Question 4

Which of the following is NOT a major cloud computing platform provider?

Accepted Answer

Salesforce

Answer

Amazon Web Services (AWS)

Answer

Microsoft Azure

Answer

Google Cloud Platform (GCP)

Question 5

Which of the following is NOT a recognized cloud service model?

Accepted Answer

Storage as a Service (StaaS)

Answer

Infrastructure as a Service (IaaS)

Answer

Platform as a Service (PaaS)

Answer

Software as a Service (SaaS)

Question 6

Which of the following is a defining characteristic of Platform as a Service (PaaS)?

Accepted Answer

Emphasizes providing development tools and platforms

Answer

Provides a comprehensive hardware and software stack

Answer

Requires extensive infrastructure management

Answer

Suitable for hosting custom applications without additional software installation

Question 7

Which of the following is a common use case for Infrastructure as a Service (IaaS)?

Accepted Answer

Hosting virtual machines for various operating systems and applications

Answer

Developing and testing applications in a controlled environment

Answer

Deploying cloud-based applications without managing the underlying infrastructure

Answer

Providing off-site data storage and backup services

Question 8

Which of the following is NOT a fundamental characteristic of cloud computing?

Accepted Answer

Unlimited hardware availability

Answer

On-demand self-service

Answer

Rapid elasticity

Answer

Multi-tenancy

Question 9

Which cloud service model provides users with access to the underlying infrastructure, such as servers, storage, and networking?

Accepted Answer

Infrastructure as a Service (IaaS)

Answer

Platform as a Service (PaaS)

Answer

Software as a Service (SaaS)

Answer

Function as a Service (FaaS)

Question 10

What is the primary function of a cloud broker?

Accepted Answer

Provide access to and manage multiple cloud services from different providers

Answer

Manage cloud resources and infrastructure

Answer

Develop and deploy cloud-based applications

Answer

Provide security for cloud environments

Question 11

What is the purpose of a hypervisor in a cloud computing environment?

Accepted Answer

To partition a physical server into multiple isolated virtual machines

Answer

To manage network traffic and routing

Answer

To provide security for cloud applications

Answer

To store and manage data in the cloud

Question 12

What does the concept of 'elasticity' refer to in the context of cloud computing?

Accepted Answer

The ability to dynamically scale resources up or down based on demand

Answer

The ability to provide high availability and redundancy

Answer

The ability to migrate applications between different cloud providers

Answer

The ability to support multiple operating systems

Question 13

Which of the following is NOT a cloud service model?

Accepted Answer

Desktop as a Service (DaaS)

Answer

Infrastructure as a Service (IaaS)

Answer

Platform as a Service (PaaS)

Answer

Software as a Service (SaaS)

Question 14

What is the primary difference between IaaS and PaaS cloud service models?

Accepted Answer

IaaS provides fundamental infrastructure resources (e.g., servers, storage), while PaaS offers a platform for application development and deployment

Answer

IaaS is more flexible and customizable compared to PaaS

Answer

PaaS is more secure and reliable than IaaS

Answer

IaaS is more cost-effective than PaaS

Question 15

In cloud computing, discuss the potential security risks and suggest effective measures to mitigate these concerns.

Accepted Answer

Implement stringent access controls, encrypt sensitive data, and regularly update systems to enhance security.

Answer

Avoid cloud services altogether due to their inherent security vulnerabilities.

Answer

Allow unrestricted access to cloud resources for simplified management.

Question 16

Which of the following is NOT a characteristic of SaaS?

Accepted Answer

Full control over infrastructure

Answer

Self-service provisioning

Answer

Multi-tenancy

Answer

On-demand pricing

Question 17

Which of the following is the primary responsibility of a Cloud Security Alliance (CSA)?

Accepted Answer

Developing and promoting cloud security standards

Answer

Providing cloud security training and certification

Answer

Auditing and assessing cloud security practices

Answer

Managing cloud security incidents

Question 18

Which of the following protocols is used for virtual network communication in a cloud environment?

Accepted Answer

TCP/IP

Answer

HTTP

Answer

SSH

Answer

SMTP

Question 19

Which of the following tools is commonly used for cloud infrastructure monitoring and management?

Accepted Answer

CloudWatch

Answer

Splunk

Answer

Nagios

Answer

Chef

Question 20

Which of the following services allows users to build and deploy applications without managing the underlying infrastructure?

Accepted Answer

Platform as a Service (PaaS)

Answer

IaaS

Answer

SaaS

Answer

FaaS

Question 21

Compare the advantages and disadvantages of deploying an e-commerce application on a public cloud versus a private cloud.

Accepted Answer

Public cloud: Lower cost, higher scalability; Private cloud: Enhanced security, greater control.

Answer

Private cloud: Lower cost, higher scalability; Public cloud: Enhanced security, greater control.

Answer

Public cloud: Higher cost, lower scalability; Private cloud: Reduced security, less control.

Answer

Private cloud: Higher cost, lower scalability; Public cloud: Reduced security, less control.

Question 22

Which cloud pricing model charges based on the actual resources used and provides flexibility in resource allocation?

Accepted Answer

Pay-as-you-go

Answer

Fixed pricing

Answer

Spot pricing

Answer

Subscription pricing

Question 23

In cloud computing, which of these is a key benefit?

Accepted Answer

Lower operating costs

Answer

Improved data protection

Answer

Total authority over IT assets

Question 24

What is a primary benefit of using cloud computing platforms like AWS, Azure, or GCP?

Accepted Answer

Reduced hardware expenses

Answer

Enhanced data security

Answer

Limited scalability

Question 25

Which cloud security risk involves unauthorized access to sensitive information?

Accepted Answer

Data breach

Answer

DoS attack

Answer

Man-in-the-middle attack

Answer

Credential stuffing

Question 26

Which layer in the cloud computing stack provides fundamental computing resources like storage, processing power, and networking?

Accepted Answer

IaaS

Answer

SaaS

Answer

PaaS

Answer

Hardware

Question 27

Which cloud deployment model offers the highest level of customization and control to the organization?

Accepted Answer

Private cloud

Answer

Public cloud

Answer

Hybrid cloud

Answer

Community cloud

Question 28

Which important metric measures the percentage of time that a cloud service is operational?

Accepted Answer

Uptime

Answer

Latency

Answer

Throughput

Answer

Redundancy

Question 29

Which widely used protocol is employed for data transfer and communication in cloud computing?

Accepted Answer

HTTP

Answer

SMTP

Answer

FTP

Answer

SSH

Question 30

Which practice is not recommended for maintaining robust cloud security?

Accepted Answer

Storing sensitive data on-premises

Answer

Implementing strong password policies

Answer

Enabling multi-factor authentication

Answer

Conducting regular security audits

Question 31

Which data management strategy is commonly employed in cloud applications to ensure data consistency?

Accepted Answer

Eventual Consistency

Answer

Multi-master Replication

Answer

Strong Consistency

Question 32

Which of these technologies is NOT a recent advancement in cloud computing?

Accepted Answer

Virtualization

Answer

Serverless computing

Answer

Edge computing

Answer

Quantum computing

Question 33

Which of the following is not considered a type of cloud service model?

Accepted Answer

On-premises infrastructure

Answer

Platform as a Service (PaaS)

Answer

Software as a Service (SaaS)

Answer

Infrastructure as a Service (IaaS)

Question 34

Identify the characteristic of cloud computing that allows resources to be dynamically scaled up or down based on demand.

Accepted Answer

Elasticity

Answer

Cost-effectiveness

Answer

Scalability

Answer

Reliability

Question 35

In which cloud deployment model do multiple organizations share the same infrastructure, but maintain isolation and control over their own resources?

Accepted Answer

Community cloud

Answer

Public cloud

Answer

Hybrid cloud

Answer

Private cloud

Question 36

Which of the following is a potential security vulnerability associated with cloud computing?

Accepted Answer

Unauthorized access to data

Answer

Software defects

Answer

Hardware malfunction

Answer

Internet connectivity issues

Question 37

Identify a financial benefit of adopting cloud computing for businesses.

Accepted Answer

Reduced hardware and maintenance costs

Answer

Complete ownership of IT infrastructure

Answer

Enhanced security measures

Answer

Increased data storage capacity

Question 38

Which component is responsible for virtualizing and managing multiple operating systems on a single physical server in cloud computing?

Accepted Answer

Hypervisor

Answer

Load balancer

Answer

Firewall

Answer

Database server

Question 39

Identify the technique used to ensure high availability of cloud services by replicating critical components across multiple servers.

Accepted Answer

Redundancy

Answer

Load balancing

Answer

Caching

Answer

Encryption

Question 40

Which cloud pricing model allows users to pay only for the resources they consume, such as storage and compute time?

Accepted Answer

Pay-as-you-go

Answer

Tiered pricing

Answer

Flat rate

Answer

Subscription

Question 41

Which of the following is NOT a valid cloud service model?

Accepted Answer

Haas

Answer

PaaS

Answer

IaaS

Answer

SaaS

Question 42

Which of the following best describes the Infrastructure as a Service (IaaS) model?

Accepted Answer

Provides virtual servers and storage infrastructure.

Answer

Provides tools for developing and deploying applications.

Answer

Provides access to pre-built applications.

Question 43

Which of the following is a common security concern associated with cloud computing?

Accepted Answer

Data breaches

Answer

Network outages

Answer

Software bugs

Answer

Hardware failures

Question 44

What is the primary function of a hypervisor in a cloud computing environment?

Accepted Answer

Manages multiple virtual machines on a single physical server.

Answer

Handles data encryption and decryption.

Answer

Provides network connectivity between cloud instances.

Question 45

Which of the following is a characteristic of a multi-tenant cloud architecture?

Accepted Answer

Shared resources among multiple users.

Answer

Higher cost than single-tenant architecture.

Answer

Lower security than single-tenant architecture.

Answer

Dedicated resources for each user.

Question 46

What is the primary purpose of a cloud service broker?

Accepted Answer

Provides a unified interface to access and manage multiple cloud services.

Answer

Manages the provisioning and de-provisioning of cloud resources.

Answer

Handles data transfer between different cloud providers.

Question 47

Which factor is of utmost importance when selecting a cloud service provider?

Accepted Answer

Reliability

Answer

Cost

Answer

Location

Answer

Performance

Question 48

What is the fundamental difference between a public cloud and a private cloud?

Accepted Answer

Public clouds are shared among multiple organizations, while private clouds are dedicated to a single organization.

Answer

Public clouds are more secure than private clouds.

Question 49

Which of the following is NOT one of the three main cloud service models?

Accepted Answer

DDoS protection

Answer

Platform as a Service (PaaS)

Answer

Software as a Service (SaaS)

Answer

Infrastructure as a Service (IaaS)

Question 50

Which benefit is a key advantage of public cloud services?

Accepted Answer

Elasticity and scalability

Answer

Complete control over infrastructure

Answer

Guaranteed performance

Question 51

Which layer of the cloud computing stack provides the highest level of abstraction and requires the least technical expertise?

Accepted Answer

SaaS

Answer

IaaS

Answer

PaaS

Question 52

Which of the following is a primary concern that organizations should consider when evaluating cloud security?

Accepted Answer

Data privacy and regulatory compliance

Answer

Vendor lock-in

Answer

Availability of skilled security professionals

Answer

Cost of security measures

Question 53

Which mechanism is used to distribute traffic across multiple servers to ensure high availability and performance in cloud computing?

Accepted Answer

Load balancing

Answer

Access control

Answer

Encryption

Answer

Disaster recovery

Question 54

Which of the following cloud computing models provides users with the ability to manage and control virtual machines and storage?

Accepted Answer

Infrastructure as a Service (IaaS)

Answer

Community PaaS

Answer

Private PaaS

Answer

Hybrid SaaS

Question 55

Which is a key advantage of using containers in cloud computing?

Accepted Answer

Portability and isolation

Answer

Improved performance

Answer

Simplified data management

Answer

Reduced licensing costs

Question 56

Which practice is recommended for effectively managing cloud costs?

Accepted Answer

Regularly review, analyze, and optimize resource usage

Answer

Negotiate large discounts with cloud providers

Answer

Ignore cost considerations and focus solely on performance

Answer

Use only the most expensive cloud services

Question 57

Which emerging trend is expected to have a substantial impact on the future of cloud computing?

Accepted Answer

Edge computing

Answer

Peer-to-peer networks

Answer

Virtual reality

Answer

Mainframe computing