Cloud Computing Basics Overview
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Questions and Answers

Which era followed the PC Era in the evolution of technology?

  • Cloud Era
  • Internet of Everything Era
  • Mobile Era (correct)
  • Advent of 5G

    • In the Cloud Transformation process, dedicated hardware is replaced by software-defined storage.

    True

    What is the primary challenge faced by conventional IT architecture?

    Poor scalability and high total costs due to low utilization of devices.

    Cloud computing provides _____ access to a shared pool of configurable computing resources.

    <p>on-demand</p> Signup and view all the answers

    Match the following technology terms with their descriptions:

    <p>Virtualization Technology = Enables maximum utilization of physical hardware Resource Pooling = Transforms enterprise data centers Self-service = Automatic service handling in cloud environments Unified Metering = Centralized tracking of resource usage</p> Signup and view all the answers

    What does the term 'Cloud' refer to in the context of cloud computing?

    <p>An abstraction of network infrastructure</p> Signup and view all the answers

    The Internet of Everything (IoE) Era is characterized by industries competing for ecosystems.

    <p>True</p> Signup and view all the answers

    What is one benefit of migrating to cloud architecture?

    <p>Improved scalability and reduced total costs.</p> Signup and view all the answers

    Which of the following is NOT a characteristic of cloud computing?

    <p>Limited resource sharing</p> Signup and view all the answers

    Public cloud is the dominant form of cloud computing in China.

    <p>True</p> Signup and view all the answers

    Name one example of a cloud music service.

    <p>NetEase Cloud Music</p> Signup and view all the answers

    A cloud infrastructure operated solely for a single organization is known as a ________ cloud.

    <p>private</p> Signup and view all the answers

    Which cloud computing model provides a platform for application deployment?

    <p>Platform as a Service (PaaS)</p> Signup and view all the answers

    Match the following cloud service models with their primary focus:

    <p>Infrastructure as a Service (IaaS) = Providing virtual resources like servers and storage Platform as a Service (PaaS) = Offering a platform for application development Software as a Service (SaaS) = Delivering software applications over the internet</p> Signup and view all the answers

    Robotic Process Automation (RPA) is used to enhance collaboration in cloud services.

    <p>True</p> Signup and view all the answers

    What major benefit does cloud computing provide to enterprises?

    <p>Better products and attracting more users</p> Signup and view all the answers

    Which statement correctly describes the efficiency of virtual machines (VMs) compared to containers?

    <p>VMs typically require more CPU and memory, and fewer can run on the same hardware than containers.</p> Signup and view all the answers

    Container images are larger in size compared to VM images.

    <p>False</p> Signup and view all the answers

    What is the primary purpose of a Default Gateway?

    <p>To connect a local subnet to external networks.</p> Signup and view all the answers

    A __________ is one-to-one communication in network terminology.

    <p>unicast</p> Signup and view all the answers

    Match the following HUAWEI CLOUD Container Services to their descriptions:

    <p>Cloud Container Engine (CCE) = High-performance service for managing Kubernetes applications Cloud Container Instance (CCI) = Serverless container engine for easy deployment SoftWare Repository for Container (SWR) = Manages lifecycle of container images</p> Signup and view all the answers

    Which layer does a router operate in the OSI model?

    <p>Network layer</p> Signup and view all the answers

    What is the primary benefit of using Software as a Service (SaaS)?

    <p>Users only need to utilize applications.</p> Signup and view all the answers

    Cloud services offer more flexibility and higher costs compared to conventional IT models.

    <p>False</p> Signup and view all the answers

    A VLAN allows devices to communicate as if they are on the same network segment, regardless of their physical location.

    <p>True</p> Signup and view all the answers

    What is the main advantage of using Cloud Container Instance (CCI)?

    <p>It allows running containers without managing server clusters.</p> Signup and view all the answers

    What does on-demand self-service in cloud computing mean?

    <p>Customers can deploy resources based on actual requirements without needing provider interaction.</p> Signup and view all the answers

    Cloud computing allows for ______ storage which enhances energy saving and easier maintenance.

    <p>centralized data</p> Signup and view all the answers

    Match the following cloud computing benefits with their descriptions:

    <p>On-demand self-service = Deploy resources as needed without provider interaction Broad network access = Access services over the Internet from various devices Resource pooling = Centralized resources allocated based on customer needs Metered services = Billing based on actual resource usage</p> Signup and view all the answers

    Which of the following is NOT a characteristic of cloud computing?

    <p>Individual hardware purchase</p> Signup and view all the answers

    Elastic computing allows IT resources to be scaled up or down based on demand.

    <p>True</p> Signup and view all the answers

    What are the two billing models commonly used in cloud computing?

    <p>Pay-per-use and monthly/yearly subscriptions.</p> Signup and view all the answers

    Which storage type is most suitable for high-performance applications like databases?

    <p>Block Storage</p> Signup and view all the answers

    Object Storage is limited in scalability and manages data in a hierarchical structure.

    <p>False</p> Signup and view all the answers

    What is the primary advantage of Object Storage?

    <p>High scalability and durability</p> Signup and view all the answers

    Shared File Storage is ideal for scenarios requiring ______ access by multiple systems.

    <p>simultaneous</p> Signup and view all the answers

    Which protocol is used primarily for UNIX systems in File Storage?

    <p>NFS</p> Signup and view all the answers

    Match the following storage types with their key characteristics:

    <p>Block Storage = Lowest latency, requires formatting File Storage = Supports file sharing with millisecond latency Object Storage = Flat structure, high scalability Shared File Storage = Concurrent access by multiple hosts</p> Signup and view all the answers

    Block storage has a higher capacity and bandwidth compared to Shared File Storage.

    <p>False</p> Signup and view all the answers

    What are some use cases for Object Storage?

    <p>Big data, IoT, backup, and archival</p> Signup and view all the answers

    Study Notes

    Evolution of Technology Eras

    • PC Era: Personal computers were networked, interconnected through servers.
    • Mobile Era: Internet access via mobile phones became widely adopted.
    • Advent of 5G: Seamless connection among all devices, including computers and intelligent terminals.
    • Internet of Everything (IoE) Era: Competitive ecosystems in industries with rapid changes stabilizing over time.

    Challenges Faced by Conventional IT Architecture

    • Long procurement periods hinder the rollout of new business systems.
    • Poor scalability limits processing performance to a single node.
    • Traditional hardware operates independently, relying on software for reliability.
    • Managing heterogeneous devices and vendors is complex and inefficient.
    • High total costs due to low utilization of devices.

    Enterprise Migration to Cloud Architecture

    • Traditional IT Architecture: Requires significant power, space, and capital; typically installed locally.
    • Virtualization Technology: Maximizes physical hardware usage and simplifies software reconfiguration.
    • Cloud Transformation: Involves transitioning from resource silos to pooling, centralized to distributed architecture, and from dedicated hardware to software-defined storage.

    Definition and Characteristics of Cloud Computing

    • Cloud Computing: Model providing convenient, on-demand network access to a shared pool of configurable computing resources.
    • Cloud: Represents networks and Internet infrastructure.
    • Computing: Includes services from powerful computers with diverse functionalities.
    • Key Characteristics:
      • Broad network access
      • Fast and elastic scaling
      • On-demand self-service
      • Resource pooling
      • Metered services

    Benefits of Cloud Computing

    • Enhances product quality and user attraction for enterprises.
    • Examples of Cloud Services:
      • Cloud albums: Baidu Cloud, iCloud Shared Album
      • Cloud music: NetEase Cloud Music, Kugou Music
      • Cloud video: Baidu Cloud, Tencent Cloud Video
      • Cloud documents: Youdao Note, Shimo Document

    E-Government Cloud Online Services

    • Guidance: Utilizes AI for auto-populated fields based on big data.
    • Review Process: AI enhances review efficiency and reduces staff pressure.
    • Collaboration: RPA automates work items in collaboration with agencies.

    Public Cloud Development in China

    • Public cloud dominates the Chinese market, featuring:
      • Traditional telecom providers like China Mobile and China Unicom.
      • Local government cloud platforms.
      • Major internet platforms such as Alibaba Cloud and Tencent Cloud.
      • Internet Data Center (IDC) carriers.

    Cloud Computing Deployment Models

    • Private Cloud: Operated exclusively for a single organization.
    • Public Cloud: Owned by a service provider and available to the public.
    • Hybrid Cloud: Combines both public and private clouds while allowing workload migration.

    Cloud Computing Service Models

    • Infrastructure as a Service (IaaS): Provides infrastructure (servers, storage) for users to manage systems and applications.
    • Platform as a Service (PaaS): Offers an environment for application deployment, removing the need for users to manage the underlying infrastructure.
    • Software as a Service (SaaS): Delivers complete applications managed by the provider, focusing solely on application usage.

    Advantages of Cloud Over Conventional IT

    • Services allow for on-demand selection of IT devices.
    • Greater flexibility and lower costs compared to traditional procurement.

    Key Benefits of Cloud Computing

    • On-demand Self-Service: Resources can be deployed without provider interaction.
    • Broad Network Access: Services available over the Internet across different devices.
    • Resource Pooling: Centralized resources dynamically allocated based on needs.
    • Quick Deployment & Auto-Scaling: Rapid scalability in response to demand.
    • Metered Services: Billing based on actual resource utilization.

    Common Characteristics of Cloud Computing

    • Significant scale due to centralized IT resources.
    • Standardization and homogenization akin to household electrical appliances.
    • Virtualization enables better resource utilization and flexibility.
    • Elastic Computing: IT resources can scale based on demand.

    Storage Types in Cloud Computing

    • Block Storage: Low latency, suitable for mission-critical applications.
    • File Storage: Allows concurrent access for multiple users, ideal for scenarios like HPC.
    • Object Storage: Manages large volumes of data with high reliability; suited for big data and archival needs.

    HUAWEI CLOUD Container Services

    • Cloud Container Engine (CCE): Manages containerized applications and supports Kubernetes.
    • Cloud Container Instance (CCI): Serverless solution for running containers without managing clusters.
    • SoftWare Repository for Container (SWR): Manages container image lifecycle, ensuring secure deployment.

    Basic Networking Concepts

    • Broadcast vs. Unicast: Unicast is one-to-one communication; broadcast is one-to-many.
    • Router: Connects networks, operates at the network layer of the OSI model.
    • Default Gateway: Routes traffic from a local subnet to external networks.
    • VLAN: Logical groupings that allow communication across distinct physical locations.

    Enterprise Storage Types

    • Traditional Block Storage: Connects disks to servers, beneficial for high-performance applications.
    • Shared File Storage: Facilitates simultaneous access by different systems.
    • Object Storage: High scalability and efficiency but requires application-level APIs.

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    Description

    Explore the evolution of technology through various eras in cloud computing. This quiz covers the transition from the PC era to the mobile era, and further to the advent of 5G and the Internet of Everything (IoE). Test your understanding of these significant technological advancements.

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