Questions and Answers
Traditional hardware devices exist independently, and their reliability depends only on ______.
software
The performance of a single ______ is limited.
device
With virtualization technology, computer components run on the ______ environment.
virtualization
Cloud computing enables ubiquitous, convenient, on-demand network access to a shared pool of ______.
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Cloud transformation changes data centers from resource silos to resource ______.
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The term 'cloud' is a metaphor for ______ and the Internet.
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Cloud computing can be viewed as the delivery of on-demand, measured computing services over the ______.
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Cloud architecture shifts from centralized to ______ architecture.
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Cloud computing provides ______ access through the internet.
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With cloud computing, resources can be ______ on demand.
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Users can utilize cloud computing services without ______ assistance.
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Cloud computing employs a method called ______ pooling to optimize resource use.
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Services in cloud computing are typically ______, meaning users are billed based on their usage.
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Examples of cloud music services include NetEase Cloud Music and ______ Music.
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HUAWEI CLOUD Meeting supports interactive video and voice communications for ______ locations.
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E-Gov Cloud Online Services provide public services through the ______.
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A hybrid cloud is a combination of a public cloud and a private cloud or ______ resources.
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Infrastructure as a Service (IaaS) provides infrastructure such as servers, storage devices, networks, and ______ resources.
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In Platform as a Service (PaaS), users only need to focus on ______ and data.
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Software as a Service (SaaS) provides all resources, services, and ______.
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Cloud computing integrates hardware resources into one in software and dynamically allocates the resources to ______ in software.
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By building high-specification cloud data centers and introducing automatic ______ technology, data storage becomes more centralized.
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Cloud service-oriented mode offers IT devices as services that allow customers to select on ______.
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Cloud computing achieves energy saving, emission reduction, and easier ______.
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Before virtualization, software and specified hardware are bound together, but after virtualization, software can be freely migrated on all ______.
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Elastic computing means that IT resources can be ______ provided.
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Based on the situation of small and micro startups, low-cost software is required to earn money at small profits but ______ turnover.
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Cloud computing data centers are geographically ______ and their performance varies by region.
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Cloud computing offers ______ self-service, allowing customers to deploy services based on actual requirements.
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The public cloud has a large number of users with different requirements, thus advanced ______ technologies must be adopted.
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Cloud services can be accessed from various clients such as mobile phones, laptops, and ______.
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In resource pooling, computing resources are ______ so that customers can rent services.
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Cloud computing features quick deployment and ______, allowing customers to rent unlimited resources.
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Cloud services are billed based on ______ resource usage, such as CPU and memory.
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One characteristic of cloud computing is its ______ scale, centralizing IT resource supply.
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Homogeneity in cloud computing implies a level of ______, ensuring compatibility among various devices.
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Virtualization allows for smaller computing units, much like dividing a ______ into pieces to share.
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Study Notes
Traditional IT Architecture Challenges
- Traditional hardware is independent, with reliability tied solely to software.
- Heterogeneous devices and vendors complicate management.
- Single device performance is constrained, leading to low utilization and high costs.
Cloud Architecture Migration
- Enterprises are moving to cloud architecture to improve efficiency and reduce costs.
- Transition involves shifting from localized, power-intensive setups to cloud-based resource pooling.
- Virtualization technology allows software to run independently of physical hardware, optimizing utilization.
Definition of Cloud Computing
- Cloud computing enables on-demand network access to shared computing resources with minimal management effort.
- Key characteristics include:
- Broad network access
- Fast scaling capabilities
- On-demand self-service features
- Resource pooling
- Metered services
Cloud Computing in Daily Life
- Significant applications include:
- Cloud albums (Baidu Cloud, iCloud)
- Cloud music (NetEase, Kugou, Kuwo, Xiami)
- Cloud video services (Baidu Cloud, Tencent Cloud Video)
- Cloud document solutions (Youdao Note, Shimo)
Enterprise Cloud Services
- HUAWEI CLOUD Meeting facilitates video and voice communication across locations, crucial for collaboration.
- Video conferencing market in China grows over 20% annually, yet only a small fraction of enterprises utilize it.
- E-Government cloud offers public services via the Internet, enhancing access to IT services comparable to utilities.
Hybrid Cloud Model
- Combines public cloud, private cloud, and on-premises resources while maintaining distinct entities.
- Offers flexible workload management across different cloud environments.
Cloud Computing Service Models
- IaaS (Infrastructure as a Service): Provides infrastructure; users manage system and application layers.
- PaaS (Platform as a Service): Offers application deployment environments with a focus on applications and data.
- SaaS (Software as a Service): Delivers full resources and services; users interact solely with applications.
Benefits of Cloud Computing
- Integrates hardware resources in software, enhancing resource allocation efficiency.
- Supports automatic scaling, optimizing workflow performance.
- Promotes centralized data storage, leading to energy savings and easier maintenance.
- Key benefits include:
- On-demand self-service
- Broad network access from multiple device types
- Resource pooling allowing dynamic resource allocation
- Quick deployment and scalability
- Metered billing based on actual resource usage
Core Characteristics of Cloud Computing
- Massive scale allows centralized IT resource supply, differentiating it from conventional IT.
- Homogeneity standardizes services akin to utilities.
- Virtualization improves resource utilization and decouples software from hardware.
- Elastic computing provides flexible resource availability.
- Low-cost software promotes market competitiveness and accessibility.
- Geographic distribution enables global service access.
- Service orientation emphasizes a design focused on delivering services.
- Advanced security technologies ensure user data protection in public cloud environments.
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Description
This quiz explores the challenges faced by traditional IT architecture and the transition to cloud computing. It covers definitions, key characteristics, and real-life applications of cloud computing. Test your knowledge on how virtualization technology enhances efficiency and optimizes resource utilization.
