PDF Notes: CCsem4

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    What is cloud computing?

    Enables on-demand access to shared computing resources over the internet.

    What are the key characteristics of cloud computing?

    Includes scalability, elasticity, and on-demand provisioning.

    How does cloud computing differ from traditional computing?

    Cloud computing offers flexible resource access without physical hardware ownership.

    What is elasticity in cloud computing?

    The ability to quickly increase or decrease resources based on demand.

    What are the types of cloud deployment models?

    Public, private, hybrid, and community clouds.

    What is SaaS?

    Software delivered over the internet without local installation.

    What is PaaS?

    Platform for developing and managing applications without handling infrastructure.

    What is IaaS?

    Infrastructure as a service provides virtualized computing resources over the internet.

    What is the difference between public and private clouds?

    Public clouds are shared among multiple users, while private clouds are exclusive to one organization.

    What is the purpose of virtualization?

    To create virtual versions of physical resources for better resource management.

    What is the role of a cloud broker?

    Acts as an intermediary to manage and deliver cloud services to consumers.

    What is resource pooling in cloud computing?

    Combining resources to serve multiple consumers efficiently.

    What does scalability mean in cloud computing?

    The ability to increase or decrease resources as needed.

    What is the significance of fault tolerance?

    Ensures system reliability by maintaining operations despite failures.

    What is the publish/subscribe model?

    A messaging pattern where publishers send messages to subscribers through a broker.

    What are the advantages of cloud storage?

    Accessibility, scalability, and cost-effectiveness.

    What is IAM in cloud security?

    Identity and Access Management controls user access to resources.

    What is the purpose of disaster recovery in cloud computing?

    To restore systems quickly after a failure.

    What is the difference between horizontal and vertical scaling?

    Horizontal scaling adds more machines, while vertical scaling increases the power of existing machines.

    What is the role of APIs in cloud services?

    APIs allow different software applications to communicate and interact with cloud services.

    What is the significance of data encryption in cloud security?

    Protects data from unauthorized access by converting it into a secure format.