Cloud Computing: Concepts, Services, and Benefits for IT Professionals

Question 1

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

Accepted Answer

Physical ownership of resources

Answer

On-demand self-service

Answer

Broad network access

Answer

Resource pooling

Question 2

Which cloud service model provides users with access to virtualized computing resources, 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 3

Which of the following characteristics is NOT associated with cloud computing?

Accepted Answer

Durability

Answer

Scalability

Answer

Cost-effectiveness

Answer

Flexibility

Question 4

What term accurately describes the ability of a cloud-based system to handle increased demand without significant performance degradation?

Accepted Answer

Elasticity

Answer

Resilience

Answer

Availability

Answer

Security

Question 5

Which cloud deployment model is most appropriate for organizations with specific security and compliance requirements?

Accepted Answer

Private cloud

Answer

Public cloud

Answer

Hybrid cloud

Answer

Community cloud

Question 6

Which of the following is NOT a major provider of cloud services?

Accepted Answer

VMware

Answer

AWS

Answer

Azure

Answer

Google Cloud Platform

Question 7

What is the main purpose of a cloud infrastructure?

Accepted Answer

Provisioning computing resources on demand

Answer

Storing and managing data

Answer

Delivering software applications

Answer

Securing network infrastructure

Question 8

Which of the following is NOT a security risk specifically associated with cloud computing?

Accepted Answer

Physical server failures

Answer

Data breaches

Answer

Denial-of-service attacks

Answer

Compliance violations

Question 9

What term describes the process of transferring existing IT systems and applications to the cloud?

Accepted Answer

Cloud migration

Answer

Cloud adoption

Answer

Cloud implementation

Answer

Cloud modernization

Question 10

Which cloud computing model is best suited for organizations that prioritize complete control over their IT infrastructure?

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 11

Which service models are the cornerstone of cloud computing architectures?

Accepted Answer

Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS)

Answer

Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Serverless Computing

Answer

Serverless Computing, Platform as a Service (PaaS), and Software as a Service (SaaS)

Answer

Infrastructure as a Service (IaaS), Serverless Computing, and Software as a Service (SaaS)

Question 12

Define a hybrid cloud and discuss its potential advantages. Explain how organizations can leverage a hybrid cloud approach to enhance their IT infrastructure.

Accepted Answer

A hybrid cloud combines on-premises and public cloud services, providing flexibility and cost optimization.

Answer

A hybrid cloud grants access to applications and data from multiple cloud providers.

Answer

A hybrid cloud is exclusively designed for disaster recovery purposes.

Question 13

Which cloud service model allows users to access pre-built applications without managing the underlying infrastructure?

Accepted Answer

Software as a Service (SaaS)

Answer

Infrastructure as a Service (IaaS)

Answer

Platform as a Service (PaaS)

Answer

Function as a Service (FaaS)

Question 14

Which deployment model offers the highest level of customization and control over infrastructure?

Accepted Answer

Private Cloud

Answer

Public Cloud

Answer

Hybrid Cloud

Answer

Multi-Cloud

Question 15

What is a primary advantage of using a multi-cloud strategy?

Accepted Answer

Reduced vendor lock-in

Answer

Enhanced security

Answer

Improved cost optimization

Answer

Simplified management

Question 16

Analyze the key financial factors and pricing models associated with cloud computing. How can organizations assess the cost-effectiveness of cloud solutions and optimize their cloud expenditures?

Accepted Answer

Cloud management tools can help organizations optimize their cloud spending and resource allocation.

Answer

Cloud computing is inherently more cost-efficient than on-premises IT infrastructure.

Answer

There is a single, uniform cost model for cloud computing services.

Answer

Organizations should evaluate cloud solutions solely based on upfront costs compared to on-premises IT infrastructure.

Question 17

Which of the following is NOT a benefit of cloud computing?

Accepted Answer

Improved reliability

Answer

Cost savings

Answer

Scalability

Answer

Accessibility from any device

Question 18

Which cloud service provider is considered the global leader in the public cloud market?

Accepted Answer

Amazon Web Services (AWS)

Answer

Microsoft Azure

Answer

Google Cloud Platform (GCP)

Answer

IBM Cloud

Question 19

Which secure protocol is commonly used for data transfer between cloud servers?

Accepted Answer

HTTPS

Answer

SSH

Answer

FTP

Answer

HTTP

Question 20

Cloud computing's "Elasticity" refers to the ability to:

Accepted Answer

Provision and manage resources dynamically

Answer

Ensure data reliability and consistency

Answer

Scale up or down resources on demand

Answer

Guarantee high availability of services

Question 21

A cloud brokerage service primarily functions as a:

Accepted Answer

Marketplace for cloud services

Answer

Provider of training and support for cloud computing

Answer

Manager of cloud resources for clients

Answer

Developer and deployer of cloud applications

Question 22

Which cloud service model offers users on-demand access to computing resources without managing the underlying infrastructure?

Accepted Answer

IaaS (Infrastructure as a Service)

Answer

Daas (Data as a Service)

Answer

SaaS (Software as a Service)

Answer

PaaS (Platform as a Service)

Question 23

Which of these is NOT a potential benefit of cloud computing?

Accepted Answer

Increased upfront capital expenditure

Answer

Enhanced disaster recovery capabilities

Answer

Improved scalability and flexibility

Answer

Reduced IT maintenance costs

Question 24

If a company wants to migrate its email system to the cloud and have minimal management responsibilities, which cloud service model would be most suitable?

Accepted Answer

SaaS (Software as a Service)

Answer

Hybrid Cloud

Answer

IaaS (Infrastructure as a Service)

Answer

PaaS (Platform as a Service)

Question 25

Which cloud provider is known for services such as EC2 (Elastic Compute Cloud) and S3 (Simple Storage Service)?

Accepted Answer

Amazon Web Services (AWS)

Answer

Microsoft Azure

Answer

IBM Cloud

Answer

Google Cloud Platform

Question 26

What is the cloud computing term that describes the ability to quickly adjust resource allocation based on demand?

Accepted Answer

Elasticity

Answer

Agility

Answer

Security

Answer

Resilience

Question 27

For a company that values complete control over its infrastructure and data, which cloud deployment model would be most appropriate for implementing a cloud-based CRM system?

Accepted Answer

Private Cloud

Answer

Hybrid Cloud

Answer

Multi-Cloud

Answer

Public Cloud

Question 28

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

Accepted Answer

Data breaches and unauthorized access

Answer

Scalability and flexibility

Answer

Cost-effectiveness

Answer

Enhanced disaster recovery

Question 29

A company uses both on-premises servers and cloud-based resources to manage its IT infrastructure. What type of cloud deployment model are they using?

Accepted Answer

Hybrid Cloud

Answer

Public Cloud

Answer

Multi-Cloud

Answer

Private Cloud