Cloud computing has become the mainstay of technology. Promoting services ranging from social media to enterprise-class business operations. Cloud computing is accessible, scalable, and secure, and one of the most significant innovations of the 21st century.
For the novice, understanding the basics is your first step to putting technology in your world. Whether you’re a student trying to explore IT, a professional trying to attain some skills, or an entrepreneur trying to take your business to the next level, cloud computing has infinite options.
What is Cloud Computing?
Cloud computing is essentially defined as the process of delivering computing services (storage, networking, databases, servers, etc.) and software over the internet. Instead of purchasing, for example, hardware or installing software on your local device, you gain access to services online.
Another way to think about it is that you may use electricity. You may not create your power at your home, but instead just plug into the power grid and pay for the number of units you use. Cloud services also operate in this manner. You have access to technology resources when you need them and pay for what you use.
Companies are relieved of needing to invest millions of dollars in data centers and infrastructure, while individuals can take advantage of cloud services to store files and access their files without worrying about storage on their devices.
How Does Cloud Computing Work?
Cloud computing essentially works through a network of data centers that are spread out all over the world, which host powerful servers and storage systems that are managed by cloud service providers such as Amazon Web Services (AWS), Microsoft Azure, or Google Cloud.
Here is how this works step by step:
- Request: You log in to a cloud service (like Google Drive) to upload a file.
- Processing: Your request is sent to the closest data center the provider has a partnership.
- Storage & Backup: The file is stored securely; it is also typically backed up in several places concurrently, so it can’t get lost.
- Access: You can retrieve the file at any time using your credentials; it can be accessed on any device with an internet connection.
For the user, the experience feels seamless; nobody needs to know where their data is stored or how the servers are managed; the provider deals with everything.
Types of Cloud Computing
There are three main types of cloud deployment models. Each one has certain characteristics and is applied to different functions and situations.
Public Cloud
Public cloud refers to a cloud service owned and operated by a third party. The third party will allow anyone to obtain services through subscription. Popular examples are Google Drive and Microsoft OneDrive. A public cloud service is commonly compared to renting a condo in a high-rise – the space may be in a shared building, but the user is responsible for maintaining it.
Private Cloud
A private cloud service is deployed solely for a single organization, which provides more flexibility and security to the user. Generally, these organizations operate in somewhat sensitive markets like banking or healthcare. When determining the differences between the models, consider the experience of owning your own home; you own the property and all the utilities, including the electricity, water, etc.
Hybrid Cloud
The general definition of a hybrid cloud service is a combination of both public and private models where an organization manages sensitive information on a private cloud, but all of their common workflow continues on a public cloud. Having a hybrid model provides the organization with flexibility and control.
Cloud Computing Service Model
Infrastructure as a Service (IaaS)
Infrastructure as a Service (IaaS) is the online provision of virtualization resources on demand. Instead of purchasing physical servers, networking, and distribution hardware and having it in-house, businesses can rent from the vendors the ultimate amount of infrastructure needed.
For example, Amazon EC2 provides virtual servers where organizations can scale both up and down based on demand. This is useful for start-ups and organizations that require flexibility while providing access without heavy upfront costs.
To put it simply, IaaS is equivalent to renting land; you obtain the land formation, and you can place whatever you want on it.
Platform as a Service (PaaS)
Platform as a Service (PaaS) offers infrastructure plus the environment and tools to build, test, and deploy applications. Developers do not have to manage servers or networks; they can solely focus on improving their software and building products.
A typical analogy is Google App Engine. Developers can build applications right on Google’s PaaS offering without having to take care of infrastructure.
PaaS is like renting an office space. You have the whole space energized and space worked out, you bring your ideas and team, and they already have everything set up.
Software as a Service (SaaS)
Software as a Service (SaaS) delivers applications ready for use. You don’t have to install or maintain the software; it is ready to use via browser or app.
Some common examples of SaaS delivered applications are Gmail, Zoom, Dropbox, and Canva. Users can quickly log into their uploaded application or service and use it without anything further to take care.
If I take the analogy a bit further, SaaS is like walking into a fully furnished apartment. It is set up, and you can use it, and you will not have to maintain it.
What are the Benefits of Cloud computing?
The reason cloud computing is important is because of its assistance to people and companies in an increasingly digital-first world.
- Flexibility: work from anywhere, access data from multiple devices.
- Cost-effective: The user avoids large capital costs associated with infrastructure.
- Easy Collaboration: Teams can share the same project in real time from anywhere in the world.
- Low maintenance: Updates and maintenance are handled by cloud providers.
- Security and Backup: Cloud providers protect the data in their centre with encryption, and in some cases have multiple backups in the most extreme situations.
For companies, cloud computing helps reduce operational complexity. For people, it helps simplify the everyday tasks of file storage, streaming, or connecting with others.
Begin Your Cloud Journey with Viewsoft Academy
Learning the fundamentals of the cloud is only the first step. If you want to differentiate yourself from every other graduate entering the job market today, you need a structured path for learning and an accredited certification. Fortunately, the Cloud Computing Fundamentals Course by Viewsoft Academy can provide that advantage.
Why Certification Program?
Certification is primarily used to validate the knowledge and skills of candidates and to assure employers that they are ready to be hired. It provides a good foundational summary, sharpens industry-related fundamentals, and improves your chances at global opportunities and higher-paying jobs.
Career Opportunities Available
With public and private cloud solutions, certified professionals are valued and sought for positions such as:
- Cloud Engineer
- Solutions Architect
- DevOps Engineer
- Security Specialist
- Cloud Consultant
These positions offer both growth opportunities and considerable job security.
Take the Next Step
Now is the time to benefit your career. Take the Cloud Computing Fundamentals Course by Viewsoft Academy today and gain the knowledge, certification, and confidence to work in the cloud industry. If you want to take the next step beyond the basics and obtain deeper knowledge, consider checking out the Cloud Computing Fundamentals Course by Viewsoft Academy. The course is designed to simplify and not complicate any concepts and instill a greater foundation for your career within technology.
Frequently Asked Questions on Cloud Computing
Question 1. Is the cloud only about storage?
Answer: No, it also includes storage, servers, applications, databases, and networking services. It is a full infrastructure for individuals as well as businesses.
Question 2. Can I learn cloud computing if I have no technical background?
Answer: Yes, you will start with the basics and SaaS that require no technical background, and slowly become confident enough to explore the advanced technical types like IaaS/PaaS.
Question 3. Is my data safe in the cloud?
Answer: Yes, the cloud providers take strong security measures, such as encryption, authentication, and backups, but the responsibility lies with the user too; in their level of security, i.e., strong passwords, two-factor authentication, and so on.
Question 4. What is the difference between the cloud and traditional IT systems?
Answer: Traditional IT is a matter of buying, setting up, and supporting servers, software, and networks, and the cloud is using them over the internet, with more flexibility and often lower cost and scalability.
Question 5. What are the different carrier opportunities in cloud computing?
Answer: Yes, cloud computing has the fastest growth within IT. Some roles span the range of job roles/skills from Cloud Engineer, Cloud Architect, and Cloud Security Specialist, in high demand across the globe. With just a couple of certifications and limited knowledge, you can begin a successful career.
