Cloud Computing Concepts: Master the Fundamentals of Cloud Technology

Question 1

Which service model of cloud computing allows users to access and use software applications over the internet without installing them locally?

Accepted Answer

Software as a Service (SaaS)

Answer

Platform as a Service (PaaS)

Answer

Infrastructure as a Service (IaaS)

Answer

Function as a Service (FaaS)

Question 2

In a multi-tenant cloud architecture, which of the following characteristics applies?

Accepted Answer

Shared infrastructure and resources among multiple customers

Answer

Isolation of individual customer data and applications

Answer

Dedicated physical servers for each customer

Answer

Limited customization options

Question 3

When deploying a business-critical application, compare the advantages and disadvantages of using a public cloud versus a private cloud.

Accepted Answer

Public cloud offers lower costs but less control over the infrastructure.

Accepted Answer

Private cloud provides more control over the infrastructure but at a higher cost.

Answer

Public cloud is more secure than private cloud.

Answer

Private cloud offers better scalability than public cloud.

Question 4

In cloud computing, orchestration and automation play distinct roles. Describe how they differ and discuss how their combined use enhances operational efficiency.

Accepted Answer

Orchestration coordinates cloud resources, while automation streamlines provisioning and management.

Answer

Orchestration and automation have identical functions in cloud computing.

Answer

Automation manages cloud resources, while orchestration automates provisioning and management.

Question 5

Which of the following is **not** a recognized cloud service model?

Accepted Answer

HaaS (Hardware as a Service)

Answer

SaaS (Software as a Service)

Answer

PaaS (Platform as a Service)

Answer

IaaS (Infrastructure as a Service)

Question 6

Which of the following is **not** a potential benefit of adopting cloud computing?

Accepted Answer

Enhanced security

Answer

Cost reduction

Answer

Increased scalability

Answer

Improved agility

Question 7

What is the primary distinction between SaaS and PaaS?

Accepted Answer

SaaS provides applications while PaaS provides infrastructure and platform.

Answer

SaaS provides infrastructure and platform while PaaS provides applications.

Answer

SaaS provides platform and applications while PaaS provides infrastructure.

Answer

PaaS provides applications while SaaS provides infrastructure and platform.

Question 8

In cloud computing, what is the primary purpose of virtualization technology?

Accepted Answer

To create multiple virtual machines on a single physical server.

Answer

To manage and provision cloud resources efficiently.

Answer

To connect users to remote servers.

Answer

To provide high availability and fault tolerance.

Question 9

Which of the following is **not** a type of cloud deployment model?

Accepted Answer

Managed cloud

Answer

Public cloud

Answer

Private cloud

Answer

Hybrid cloud

Question 10

What is the core responsibility of a cloud provider?

Accepted Answer

To provide and manage cloud infrastructure and services.

Answer

To develop and deploy cloud applications.

Answer

To provide support and training to cloud users.

Answer

To ensure compliance with data protection regulations.

Question 11

What is the term used to describe the process of moving data and applications from on-premises infrastructure to the cloud?

Accepted Answer

Cloud migration

Answer

Cloud deployment

Answer

Cloud adoption

Answer

Cloud provisioning

Question 12

Which fundamental characteristic of cloud computing involves the ability to scale resources up or down to meet fluctuating demands?

Accepted Answer

Elasticity and scalability

Answer

Centralized storage and processing

Answer

Control over underlying infrastructure

Answer

Pay-as-you-go pricing

Question 13

What is the primary distinction between a public cloud and a private cloud model?

Accepted Answer

Ownership and control of the underlying infrastructure

Answer

Pricing model and cost structure

Answer

Level of customization and flexibility

Answer

Security measures and compliance requirements

Question 14

What is the main advantage of utilizing PaaS (Platform as a Service) over IaaS (Infrastructure as a Service)?

Accepted Answer

Reduced complexity and accelerated development cycles

Answer

Increased control and customization of the underlying infrastructure

Answer

Lower operational costs and improved resource utilization

Answer

Enhanced security and compliance features

Question 15

What is the term used to describe the process of transitioning an application or workload from an on-premises environment to the cloud?

Accepted Answer

Cloud migration

Answer

Cloud deployment

Answer

Cloud provisioning

Answer

Cloud optimization

Question 16

Which service model of cloud computing offers pre-built applications, eliminating the need for users to install and maintain software on their end?

Accepted Answer

Software as a Service (SaaS)

Answer

Infrastructure as a Service (IaaS)

Answer

Platform as a Service (PaaS)

Question 17

Which cloud architecture strategy involves utilizing multiple cloud providers to enhance reliability and reduce dependency on a single vendor?

Accepted Answer

Multi-cloud

Answer

Hybrid cloud

Answer

Private cloud

Question 18

Which characteristic distinguishes a private cloud from other cloud deployment models?

Accepted Answer

Dedicated infrastructure for exclusive use

Answer

Shared access among multiple tenants

Answer

Pay-as-you-go pricing model

Question 19

What virtualization technology allows multiple operating systems to operate on a single physical server?

Accepted Answer

Virtualization

Answer

Containerization

Answer

Serverless computing

Question 20

Which aspect of cloud computing focuses on protecting the data stored and processed in the cloud from unauthorized access or breaches?

Accepted Answer

Cloud security

Answer

Cloud governance

Answer

Cloud compliance

Question 21

What type of cloud service provides developers with pre-configured development environments and tools?

Accepted Answer

PaaS

Answer

SaaS

Answer

IaaS

Question 22

Which cloud deployment model is recommended for organizations that prioritize high levels of security and data privacy?

Accepted Answer

Private cloud

Answer

Public cloud

Answer

Hybrid cloud

Question 23

What is a key advantage of utilizing public cloud services?

Accepted Answer

Reduced infrastructure costs

Answer

Extensive customization options

Answer

Enhanced security

Question 24

Design a cloud-based architecture for a video streaming application. Prioritize performance, availability, and cost-effectiveness, and provide a detailed explanation of your design choices.

Accepted Answer

Multi-tier architecture with load balancing, caching, and content delivery network (CDN)

Answer

Single-tier architecture deployed on IaaS

Answer

Serverless architecture with functions triggered by video uploads and streams

Answer

Hybrid architecture combining IaaS, PaaS, and SaaS services

Question 25

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

Accepted Answer

Data as a Service (DaaS)

Answer

Software as a Service (SaaS)

Answer

Platform as a Service (PaaS)

Answer

Infrastructure as a Service (IaaS)

Question 26

Which layer of the cloud architecture provides access to computing, storage, and network resources?

Accepted Answer

Infrastructure Layer

Answer

Platform Layer

Answer

Software Layer

Answer

Application Layer

Question 27

What is the primary role of a cloud provider in IaaS?

Accepted Answer

Manages and provisions physical infrastructure

Answer

Offers pre-built applications and software

Answer

Provides access to development tools

Answer

Provides support and maintenance for customer applications

Question 28

What is the term used to describe the ability to rapidly deploy new applications and services in the cloud?

Accepted Answer

Cloud agility

Answer

Cloud elasticity

Answer

Cloud scalability

Answer

Cloud resilience

Question 29

What is the term used to describe the ability of cloud resources to automatically scale up or down based on changing demand?

Accepted Answer

Elasticity

Answer

Scalability

Answer

Availability

Answer

Redundancy

Question 30

In cloud computing, what is the key difference between elasticity and scalability?

Accepted Answer

Elasticity allows for dynamic resource allocation, while scalability supports handling increased demand efficiently.

Answer

Both elasticity and scalability encompass the capability to adapt to changing resource requirements.

Answer

Elasticity primarily enhances performance during peak demand, while scalability enables cost-effective resource utilization.

Answer

Scalability involves static resource provisioning, while elasticity supports dynamic resource allocation.

Question 31

What is a key benefit of using cloud computing?

Accepted Answer

Lower operating costs

Answer

Increased data security

Answer

Consistent application performance

Question 32

When adopting cloud computing services, what are the main challenges and risks related to data portability and vendor lock-in?

Accepted Answer

Limited control over data and infrastructure, potential data loss or corruption during migration due to lack of interoperability standards.

Answer

Increased costs and reduced efficiency due to the complexity of managing multiple cloud services.

Answer

Weakened security posture and reduced compliance due to reliance on third-party cloud providers.

Answer

Limited flexibility and scalability to adapt to changing business requirements.

Question 33

Which of the following is a characterizing attribute of cloud computing?

Accepted Answer

Scalability

Answer

Dedicated hardware

Answer

Restricted accessibility

Answer

Inflexible pricing

Question 34

Which of the following is a defining characteristic of cloud computing?

Accepted Answer

Cloud providers manage the underlying hardware and infrastructure.

Answer

Data is stored solely in a single, centralized location.

Answer

Users have direct control over the hardware and operating system.

Answer

Cloud services always cost more than on-premises infrastructure.

Question 35

Which three advantages are associated with using containers in cloud computing environments?

Accepted Answer

Lightweight and resource-efficient

Accepted Answer

Portable and cross-platform compatible

Accepted Answer

Highly scalable and flexible

Answer

Complete security isolation from other applications

Question 36

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

Accepted Answer

FaaS

Answer

SaaS

Answer

IaaS

Answer

PaaS

Question 37

In cloud computing, what architecture pattern focuses on managing and orchestrating containerized applications?

Accepted Answer

Container Orchestration

Answer

Microservices

Answer

Virtualization

Answer

Serverless Computing

Question 38

Which cloud deployment model provides access to cloud services over a shared network infrastructure?

Accepted Answer

Public Cloud

Answer

Private Cloud

Answer

Hybrid Cloud

Answer

Community Cloud

Question 39

A key aspect of stateless applications in cloud environments is their:

Accepted Answer

Absence of data storage between user requests

Answer

Increased risk of single point of failure

Answer

Support for long-running processes

Answer

Strong data consistency

Question 40

Which tool is commonly used for managing and provisioning cloud infrastructure?

Accepted Answer

Terraform

Answer

Docker

Answer

Kubernetes

Answer

Jenkins

Question 41

What is the primary function of a cloud brokerage service?

Accepted Answer

Acting as an intermediary between cloud providers and consumers

Answer

Providing direct access to cloud resources without a brokerage layer

Answer

Managing cloud security and compliance

Question 42

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

Accepted Answer

Data breaches

Answer

Hardware failures

Answer

Network latency

Answer

Storage constraints

Question 43

How does elasticity differ from scalability in the context of cloud computing?

Accepted Answer

Elasticity refers to on-demand provisioning and de-provisioning, while scalability involves gradual scaling up or down of resources.

Answer

Elasticity requires manual configuration, whereas scalability is fully automated.

Answer

Elasticity is limited to public clouds, while scalability is applicable to all cloud models.

Question 44

Which of the following is NOT a service model in cloud computing?

Accepted Answer

Hosted Services

Answer

Infrastructure as a Service (IaaS)

Answer

Platform as a Service (PaaS)

Answer

Software as a Service (SaaS)

Question 45

What is the primary benefit of using cloud computing?

Accepted Answer

Increased resource availability, scalability, and cost-effectiveness

Answer

Improved local hardware performance

Answer

Enhanced data security

Answer

Simplified application development

Question 46

Which of the following is a key element of cloud architecture?

Accepted Answer

Virtualization and resource pooling

Answer

Physical servers

Answer

Dedicated network connections

Answer

Local data storage devices

Question 47

What is the main distinction between SaaS and PaaS?

Accepted Answer

SaaS provides fully managed applications, while PaaS offers a platform for application development and deployment.

Answer

SaaS is more expensive than PaaS.

Answer

PaaS includes infrastructure management, whereas SaaS does not.

Question 48

What is the primary role of a cloud broker in cloud computing?

Accepted Answer

To provide guidance and support services to organizations considering or using cloud services.

Answer

To manage and maintain cloud infrastructure

Answer

To develop and deploy cloud applications

Question 49

What is the concept of elasticity in cloud computing?

Accepted Answer

The ability of cloud resources to dynamically adjust their capacity based on demand.

Answer

The ability to store unlimited amounts of data in the cloud

Answer

The ability to access cloud resources from multiple devices simultaneously

Question 50

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

Accepted Answer

A private cloud is dedicated to a single organization, while a public cloud is shared among multiple users.

Answer

A public cloud offers greater security than a private cloud.

Answer

A private cloud is more expensive than a public cloud.