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Public cloud

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Definition

A public cloud is a type of cloud computing service that is made available to the general public over the internet, allowing users to access shared resources like storage, applications, and processing power. Public clouds are managed by third-party providers who own the infrastructure and offer services on a pay-as-you-go basis, making it a cost-effective solution for individuals and businesses looking for scalable options without the need for physical hardware.

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5 Must Know Facts For Your Next Test

  1. Public clouds are typically built on a multi-tenant architecture, meaning multiple customers share the same physical resources while maintaining data privacy through virtualization technology.
  2. Popular public cloud providers include Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform, each offering various services tailored to different needs.
  3. Public clouds offer high scalability, allowing users to easily increase or decrease their resource usage based on demand without worrying about underlying hardware limitations.
  4. These services often come with built-in security features, but users must also implement their own security measures to protect sensitive data stored in the public cloud.
  5. Public clouds can help reduce IT costs as they eliminate the need for organizations to invest heavily in on-premises infrastructure and maintenance.

Review Questions

  • How does the public cloud differ from private and hybrid clouds in terms of accessibility and ownership?
    • The public cloud is accessible to anyone with an internet connection and is owned and managed by third-party providers. In contrast, private clouds are dedicated to a single organization, providing more control and security but at a higher cost. Hybrid clouds combine both public and private elements, allowing organizations to leverage the benefits of both environments based on their specific needs. This distinction in ownership and accessibility influences how businesses choose their cloud strategies.
  • Evaluate the advantages of using a public cloud for small businesses compared to traditional on-premises infrastructure.
    • Using a public cloud allows small businesses to benefit from reduced IT costs since they avoid hefty investments in hardware and software. The pay-as-you-go model means that they can only pay for what they use, which helps manage budgets better. Additionally, the scalability offered by public clouds enables small businesses to grow without worrying about infrastructure limitations. This flexibility is crucial for adapting to changing market conditions without substantial financial risk.
  • Analyze the impact of public cloud services on data management strategies within organizations today.
    • Public cloud services have significantly transformed data management strategies by offering scalable storage solutions and advanced analytics capabilities. Organizations can now store vast amounts of data off-site while enjoying easy access from anywhere, promoting collaboration among teams. The shift to public clouds has also led companies to rethink their data governance practices, as they need to ensure compliance with regulations while leveraging cloud providers' built-in security features. As organizations increasingly rely on data-driven decision-making, utilizing public clouds allows them to harness new technologies like machine learning and AI effectively.
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