Cloud computing

Definition

Cloud computing refers to the delivery of computing services, including storage, processing power, and applications, over the internet instead of local servers or personal devices. This technology allows users to access and store data remotely, facilitating collaboration, scalability, and flexibility in managing digital resources.

5 Must Know Facts For Your Next Test

1. Cloud computing enables users to access data and applications from any device with an internet connection, promoting remote work and collaboration.
2. This technology supports scalability, allowing businesses to easily adjust their resource usage based on demand without significant upfront investments.
3. Cloud services can be categorized into three main models: public cloud, private cloud, and hybrid cloud, each offering different levels of control and security.
4. Data stored in the cloud is often backed up across multiple servers, which enhances reliability and protects against data loss due to hardware failures.
5. Security is a significant concern in cloud computing, leading providers to implement advanced measures like encryption and multi-factor authentication to protect user data.

Review Questions

• How does cloud computing enhance collaboration among users in different locations?
  • Cloud computing enhances collaboration by enabling users to access shared documents and applications from anywhere with an internet connection. This accessibility allows teams to work together in real-time, regardless of their physical locations. Additionally, cloud platforms often include tools for communication and project management, further facilitating teamwork and streamlining processes.
• Discuss the differences between public, private, and hybrid cloud models in terms of control and security.
  • Public clouds are owned by third-party providers and offer resources over the internet to multiple users, which can limit control and raise security concerns. Private clouds are dedicated to a single organization, providing greater control over data and security but often at a higher cost. Hybrid clouds combine both public and private elements, allowing organizations to choose where to store sensitive information while leveraging public resources for less critical operations.
• Evaluate the impact of cloud computing on business operations and IT management strategies.
  • Cloud computing significantly impacts business operations by providing flexibility and scalability that traditional IT solutions cannot match. Companies can adjust their resource consumption based on current needs without large capital expenditures. This shift encourages more agile IT management strategies, focusing on optimizing resources rather than maintaining physical infrastructure. As a result, businesses can innovate faster and respond more effectively to market changes.

Related terms

Software as a Service (SaaS): A cloud computing model where software applications are hosted on the cloud and accessed via the internet, eliminating the need for local installation.

Infrastructure as a Service (IaaS): A cloud computing model that provides virtualized computing resources over the internet, allowing businesses to manage their infrastructure without maintaining physical hardware.

Platform as a Service (PaaS): A cloud computing model that offers hardware and software tools over the internet for application development, enabling developers to create and manage applications without dealing with the underlying infrastructure.