SKILLSOURCE • CLOUD COMPUTING
What Is Cloud Computing? A Complete Beginner’s Guide to the Cloud
Understand how cloud computing works, why businesses and individuals
use cloud services, the major cloud models, common technologies and
the skills beginners can develop to enter the cloud computing field.
What Is Cloud Computing?
Cloud computing is a way of accessing computing resources over a
network instead of relying entirely on hardware and software located
on your own device or within your own physical facilities.
Depending on the service, cloud platforms can provide computing
power, storage, databases, networking, software, analytics and
other technology resources.
Simple definition:
Cloud computing allows people and organizations to use computing
resources and services through network-connected infrastructure,
often without owning and maintaining all of the underlying hardware.
How Does Cloud Computing Work?
Instead of every organization purchasing and maintaining all the
infrastructure it needs, cloud providers operate large computing
environments and make resources available through online services.
A Simplified Cloud Computing Model
User
Person or business
Internet
Network connection
Cloud
Computing platform
Resources
Servers and storage
Application
Useful service
Why Is Cloud Computing Important?
Cloud technology has changed how many organizations develop,
deploy and operate digital services.
Flexible Resources
Organizations can access computing resources according to
their changing requirements.
Remote Access
Cloud services can make applications and information
accessible from different locations when properly configured.
Faster Deployment
Cloud platforms can provide infrastructure and services
without requiring every resource to be built physically
from scratch.
Scalability
Cloud environments can support changing workloads by
adjusting resources according to demand.
The Main Cloud Service Models
Infrastructure as a Service — IaaS
Provides fundamental computing resources such as virtual
machines, storage and networking. Customers generally have
more control over the operating environment.
Platform as a Service — PaaS
Provides a managed environment that can help developers
build and deploy applications without managing every
underlying infrastructure component.
Software as a Service — SaaS
Provides complete software applications through a service
model, reducing the need for users to manage the underlying
infrastructure.
Serverless Computing
Allows developers to run application logic while the cloud
provider manages much of the underlying server infrastructure.
Types of Cloud Deployment
Organizations can use different deployment approaches depending on
their technical requirements, security needs and operational goals.
Public Cloud
Cloud infrastructure and services are provided by a cloud
provider and shared across multiple customers according to
the provider’s architecture.
Private Cloud
A cloud environment dedicated to a particular organization,
often providing greater control over its environment.
Hybrid Cloud
Combines private infrastructure or services with public
cloud resources.
Multi-Cloud
Uses services or infrastructure from multiple cloud
providers rather than relying on only one provider.
Common Cloud Computing Technologies
| Technology |
Purpose |
| Virtual Machines |
Run virtualized computing environments on physical
infrastructure.
|
| Containers |
Package applications and their dependencies into
portable environments.
|
| Cloud Storage |
Store files and data using remotely managed storage
infrastructure.
|
| Cloud Databases |
Provide managed database services for applications
and data.
|
| APIs |
Allow software systems and services to communicate
with one another.
|
| Cloud Networking |
Connects cloud resources and controls communication
between services and networks.
|
Cloud Security Basics
Moving systems into the cloud does not remove the need for
cybersecurity. Cloud environments still require appropriate
security controls and responsible configuration.
Identity Management
Control who can access cloud resources and what actions
different users or services are permitted to perform.
Access Controls
Use appropriate permissions and avoid giving accounts more
access than they require.
Data Protection
Protect information through appropriate security controls,
encryption and careful handling.
Monitoring
Monitor systems and activity to help identify unusual
behavior and security events.
Important:
Cloud security is a shared responsibility. The exact division
of responsibilities depends on the service and deployment model,
so users and organizations must understand what they are
responsible for securing.
Cloud Computing vs Traditional IT
| Traditional IT Approach |
Cloud Approach |
|
Organization may purchase and maintain physical
infrastructure.
|
Organization can consume infrastructure and services
from a cloud provider.
|
|
Capacity planning may require significant advance
investment.
|
Resources can often be adjusted more flexibly.
|
|
Hardware maintenance is handled internally.
|
The provider manages varying levels of the underlying
infrastructure depending on the service.
|
|
Software and infrastructure may be tied closely to
physical facilities.
|
Services can often be accessed through network-based
interfaces.
|
How to Start Learning Cloud Computing
Beginners can approach cloud computing gradually rather than trying
to learn every service at once.
1
Learn Computer Fundamentals
Understand operating systems, hardware, software and basic
troubleshooting.
2
Learn Networking
Study IP addresses, DNS, routing, ports, protocols and
basic network architecture.
3
Learn Linux Basics
Linux knowledge is valuable for many cloud and server
environments.
4
Learn Cloud Fundamentals
Study virtual machines, storage, databases, networking,
identity and cloud service models.
5
Practice With Projects
Build small, legitimate projects to understand how cloud
resources work together.
6
Explore Certifications
Once your fundamentals are strong, investigate certifications
that match your chosen cloud career path.
Beginner tip:
Do not try to memorize hundreds of cloud services. Focus first
on understanding the core concepts behind computing, networking,
storage, security and applications.
Cloud Computing Career Paths
Cloud skills can support several technology career paths.
Cloud Administrator
Helps manage cloud resources, identities, configurations
and operational environments.
Cloud Engineer
Designs, deploys and maintains cloud infrastructure and
services.
Cloud Architect
Designs larger cloud environments around technical,
operational and business requirements.
Cloud Security Specialist
Focuses on protecting cloud systems, identities, data and
infrastructure.
DevOps Professional
Works across development and operations with automation,
deployment and infrastructure practices.
Cloud Developer
Builds applications that use cloud platforms, services and
APIs.
Frequently Asked Questions
Is cloud computing difficult to learn?
It can seem complex because cloud platforms contain many
services, but beginners can make progress by learning computing
and networking fundamentals first.
Do I need programming skills for cloud computing?
Not every cloud role requires advanced programming. However,
scripting and programming become increasingly useful for
automation, development and infrastructure management.
Is Linux important for cloud careers?
Linux is widely used in server and cloud environments, making
basic Linux administration a valuable skill for many cloud
professionals.
Is cloud computing related to cybersecurity?
Yes. Cloud environments require identity management, access
controls, data protection, monitoring and other security
practices.
Can beginners build cloud projects?
Yes. Beginners can use appropriate learning environments and
controlled projects to practice concepts such as storage,
virtual machines, networking and application deployment.
Should I learn cloud computing or programming first?
Basic programming and networking knowledge can make cloud
learning easier, but the ideal order depends on your career
goals. Learning the fundamentals of both areas can be highly
useful.
SKILLSOURCE
Build Your Cloud Computing Skills
Cloud computing has become an important part of modern technology,
supporting applications, websites, data systems, business services
and many other digital solutions.
Start with the fundamentals. Learn networking, operating systems,
cloud concepts and security, then strengthen your knowledge through
practical projects.
As your skills develop, you can explore cloud administration,
engineering, architecture, DevOps, development or cloud security.
Learn the cloud. Practice the fundamentals. Build real skills.
