4.1 – Cloud Computing: Cloud Characteristics
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Questions and Answers

What is a defining characteristic of an internal cloud?

  • It requires paying third parties based on usage.
  • It uses resources from public cloud providers.
  • It involves creating resources on your own internal network. (correct)
  • It eliminates the need to build a data center.

How does the cost structure of an external cloud typically work?

  • You pay a fixed amount regardless of usage.
  • There are no costs associated with external clouds.
  • Costs vary based on usage and consumption. (correct)
  • Upfront costs are never applicable.

Which term describes the service payment structure where users only pay for resources as they consume them?

  • Subscription services
  • Metered cloud services (correct)
  • Flat-rate services
  • Prepaid services

What is typically required for establishing an internal cloud?

<p>Building out your own data center with equipment. (C)</p> Signup and view all the answers

What advantage does an internal cloud have in terms of cost?

<p>Costs remain the same regardless of how much you use it. (D)</p> Signup and view all the answers

Which of the following best describes a non-metered cloud service?

<p>You pay a flat fee for unlimited transfers within a month. (B)</p> Signup and view all the answers

Which of the following statements about external cloud services is NOT true?

<p>They continuously charge users based on fixed monthly rates. (C)</p> Signup and view all the answers

What does building an internal cloud typically necessitate?

<p>Purchasing and setting up physical infrastructure. (C)</p> Signup and view all the answers

What does 'rapid elasticity' in cloud applications refer to?

<p>The capacity to create and remove instances based on load (A)</p> Signup and view all the answers

Why is high availability important in a cloud environment?

<p>It ensures redundancy to maintain service during failures (C)</p> Signup and view all the answers

How do cloud providers ensure data synchronization across different geographical locations?

<p>By providing various file synchronization methods (B)</p> Signup and view all the answers

What is Desktop as a Service (DaaS)?

<p>A service that allows access to a Windows desktop in the cloud (C)</p> Signup and view all the answers

What technology does DaaS rely on for connecting users to their virtual desktops?

<p>Remote desktop technology (C)</p> Signup and view all the answers

What is a potential challenge associated with using Desktop as a Service?

<p>Network connection quality affects accessibility and performance (C)</p> Signup and view all the answers

Which of the following best describes a Virtual Desktop Infrastructure (VDI)?

<p>A technology that allows remote access to desktops running in the cloud (B)</p> Signup and view all the answers

What is a key advantage of having redundancy in a cloud-based platform?

<p>It ensures continuous operations during server failures (D)</p> Signup and view all the answers

When deploying application instances in the cloud, what must be ensured for data consistency?

<p>Synchronization methods are in place across data centers (D)</p> Signup and view all the answers

What type of service does Amazon Workspaces offer?

<p>Remote access to a cloud-based Windows desktop (D)</p> Signup and view all the answers

Flashcards

Internal Cloud

A cloud deployment model where resources are managed and provisioned within an organization's own data center or network.

External Cloud

A cloud deployment model where resources are provided and managed by a third-party cloud provider, such as Amazon Web Services (AWS), Microsoft Azure, or Google Cloud Platform (GCP).

Metered Cloud Services

A pricing model for cloud services where users pay only for the resources they consume. This includes features like storage, processing power, and bandwidth.

Non-Metered Cloud Services

A pricing model for cloud services where users pay a fixed fee for a specific set of resources or features, regardless of their usage.

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Building Your Own Cloud

The process of building and managing a cloud infrastructure within an organization's physical data center, which involves setting up servers, networking equipment, and other necessary components.

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Public Cloud

A cloud deployment model where resources are shared among multiple users or organizations, usually managed and provisioned by a third-party cloud provider.

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Private Cloud

A cloud deployment model where resources are dedicated to a specific organization or individual.

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Hybrid Cloud

A cloud deployment model where resources are shared between two or more organizations, often with a trusted relationship. Typically, this involves a combination of internal and external cloud elements.

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Rapid Elasticity

The ability of a cloud-based application to quickly scale up or down its resources based on demand, without user intervention. It involves automatically adding more instances when load increases and removing them when load decreases.

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Desktop as a Service (DaaS)

A cloud computing service where a user's desktop environment is hosted remotely on a server in the cloud. Users access their desktop through a web browser or dedicated client, regardless of their physical location.

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Virtual Desktop Infrastructure (VDI)

A technology that provides a virtualized desktop environment to users over a network. It allows users to access their desktops from any device, as long as they have a network connection.

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High Availability

Refers to the ability of a cloud-based system to remain operational even if one or more components fail. This is achieved through redundancy and failover mechanisms.

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File Synchronization

A method used in cloud computing to synchronize data across multiple data centers. It ensures that data consistency is maintained regardless of its location.

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Amazon Workspaces (DaaS)

A cloud service offered by Amazon Web Services (AWS) that provides users with virtual desktops, allowing them to access their Windows desktop environment from any device.

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Remote Desktop

A technology that allows users to access their desktop environment remotely, typically using a thin client or a web browser.

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Minimal Data Transmission

A technique that reduces the amount of data transmitted between the client and the server when using remote desktop technology. This helps improve performance and reduces bandwidth usage.

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Network Connection

A vital component of cloud-based services like DaaS, as it enables the communication and data transfer between users' devices and the remote desktops.

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Study Notes

Cloud Deployment Methods

  • Internal Cloud: Resources are created on your own network. Requires building and maintaining a data center. No extra usage fees, as you own the infrastructure.

  • External Cloud: Uses a third-party provider (e.g., Amazon, Microsoft). Resources are shared on a large public cloud, often in multiple data centers globally. Cost varies, sometimes upfront, or pay-as-you-go (metered).

Cloud Pricing Models

  • Metered Cloud Services: Cost is based on use (e.g., file uploads/downloads, storage). Low entry cost, pay only for what you use.

  • Fixed Cost Cloud Services: A flat fee for a specific service (e.g., file transfers). Allows for unlimited use within the set price bracket for the month.

Cloud Instance Management

  • Rapid Elasticity: Easily scale up or down instances based on load fluctuations. Changes are transparent to the end-user.

  • High Availability: Redundancy built into the cloud platform to maintain operation even during outages (e.g., multiple network lines, backup generators). Varying levels of redundancy among providers.

  • Data Synchronization: Ensures data consistency across different data centers worldwide. Cloud providers offer various synchronization methods.

Cloud-Based Desktops

  • Desktop as a Service (DaaS): Running a Windows desktop entirely in the cloud. Accessed from any device via a network connection (tablet, phone, etc.).

  • Virtual Desktop Infrastructure (VDI): A cloud-based service where applications run within the service allowing for desktop access on a user device.

  • Screen Sharing/Remote Desktop: A remote desktop view of a Windows environment, accessed from a tablet, phone or computer. Network connection crucial and the technology sends a modest amount of data between the client and the desktop.

  • Example Service: Amazon Workspaces is an example of DaaS.

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Description

Test your knowledge on cloud deployment methods and pricing models. This quiz covers internal and external clouds, along with different pricing strategies like metered and fixed cost services. Additionally, explore cloud instance management features like rapid elasticity and high availability.

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