A cloud is a combination of services, networks, hardware, storage, and interfaces that helps in delivering computing as a service. It broadly has three users. These are the end-user, business management user, and cloud service, provider. The end-user is the one who uses the services provided by the cloud. The responsibility of the data and the services provided by the cloud is taken by the business management user in the cloud. The one who takes care of or is responsible for the maintenance of the IT assets of the cloud is the cloud service provider. The cloud acts as a common center for its users to fulfill their computing needs.
IaaS (Infrastructure as a Service): Provides virtualized computing resources over the internet (e.g., AWS EC2).
PaaS (Platform as a Service): Offers platforms for developers to build, deploy, and manage applications without managing the underlying infrastructure (e.g., Google App Engine).
SaaS (Software as a Service): Delivers fully functioning software applications over the internet (e.g., Microsoft 365, Salesforce).
Responsive web design, or RWD, is the process of creating websites that adapt to the device of the user. Any device that views a website should be able to see it with optimal clarity and usability.
Serverless computing is a cloud-computing model where the cloud provider manages the infrastructure, and users only pay for the actual execution time of their code. Examples include AWS Lambda and Azure Functions.
Public Cloud: Services provided by third-party cloud providers over the internet, shared by multiple customers (e.g., AWS, Microsoft Azure).
Private Cloud: A dedicated cloud infrastructure used by a single organization, offering greater control over data and security.
Hybrid Cloud: A mix of public and private clouds, allowing data and applications to be shared between them.
Community Cloud: A cloud infrastructure shared by multiple organizations with similar interests or requirements (e.g., compliance needs).
Virtualization is the technology that allows multiple virtual machines (VMs) to run on a single physical machine by abstracting the hardware. In cloud computing, virtualization enables efficient resource management by allowing multiple instances to run on shared physical infrastructure.
Cloud migration is the process of moving applications, data, and workloads from on-premises infrastructure to the cloud. Challenges include data security, minimizing downtime, managing costs, and ensuring application compatibility with the cloud.
Edge computing involves processing data closer to its source (e.g., IoT devices), reducing latency and bandwidth usage. It complements cloud computing by allowing real-time data processing at the edge, while larger data sets or analysis are processed in the cloud.
A cloud API allows developers to interact with cloud services programmatically, enabling automation and integration with other systems. Examples include AWS SDKs, Azure REST APIs, and Google Cloud APIs, which facilitate resource management and service configuration.
DevOps is a set of practices that integrates software development and IT operations to shorten the development lifecycle and improve software delivery. Cloud computing supports DevOps by providing infrastructure as code, automated deployment pipelines, and scalable environments for continuous integration and continuous deployment (CI/CD).
Encryption: Data is encrypted at rest and in transit to prevent unauthorized access.
Identity and Access Management (IAM): Ensures only authorized users can access cloud resources.
Multi-Factor Authentication (MFA): Adds an additional layer of security.
Regular Security Audits: Helps identify vulnerabilities and maintain compliance.
DevOps is a set of practices that integrates development and IT operations to shorten the development lifecycle. Cloud computing supports DevOps by providing scalable infrastructure, automated deployments, and continuous integration/continuous deployment (CI/CD) pipelines.
DevOps is a set of practices that integrates development and IT operations to shorten the development lifecycle. Cloud computing supports DevOps by providing scalable infrastructure, automated deployments, and continuous integration/continuous deployment (CI/CD) pipelines.
DevOps is a set of practices that integrates development and IT operations to shorten the development lifecycle. Cloud computing supports DevOps by providing scalable infrastructure, automated deployments, and continuous integration/continuous deployment (CI/CD) pipelines.
When transporting data in a cloud computing environment, keep two things in mind: Make sure that no one can intercept your data as it moves from point A to point B in the cloud, and make sure that no data leaks (malicious or otherwise) from any storage in the cloud.
IAM allows cloud users to control access to resources by defining policies and permissions for different users and groups. It ensures that only authorized individuals can access specific services and data in the cloud environment.
A cloud-based load balancer distributes incoming network traffic across multiple servers to ensure high availability and prevent server overload. Cloud providers like AWS Elastic Load Balancing (ELB) and Azure Load Balancer automatically scale to handle traffic efficiently.
AWS CloudFormation is a service that allows you to model and set up AWS resources using templates. You can automate resource provisioning and manage infrastructure as code, simplifying the deployment of cloud environments.
AWS CloudFormation is a service that allows you to model and set up AWS resources using templates. You can automate resource provisioning and manage infrastructure as code, simplifying the deployment of cloud environments.
A cloud SLA defines the performance and uptime guarantees provided by a cloud service provider. It also outlines remedies or compensations in case of service outages or failures to meet the agreed-upon performance metrics.
