Understanding Cloud Services Quiz

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Questions and Answers

Leonard Kleinrock was a chief scientist of the Advanced Research Projects Agency Network (ARPANET) project in ____.

1969

Traditionally Internet-based computer utilities include search engines like Yahoo! and ____.

Google

E-mail services mentioned in the text are Hotmail, Gmail, and other open publishing platforms like MySpace, Facebook, and ____.

YouTube

In 2002, Amazon.com launched the Amazon Web Services (AWS) platform, a suite of enterprise-oriented services that provide remotely provisioned storage computing ____.

resources Signup and view all the answers

In 2006, Amazon launched its Elastic Compute Cloud (EC2) services that enabled organizations to 'lease' computing capacity and processing power to run their enterprise ____.

applications Signup and view all the answers

Distributed computing connects computers so that they can act as one powerful ______.

machine Signup and view all the answers

Computers are either connected through a local network if they are geographically close to one another, or through a wide area network (WAN) if they are geographically ______.

distant Signup and view all the answers

Cluster computing involves using a cluster to perform ______ tasks.

computing Signup and view all the answers

A cluster is a group of IT resources (computers) that are interconnected and work as a single ______.

system Signup and view all the answers

Component devices have reasonably identical hardware and operating ______.

systems Signup and view all the answers

Grid computing provides a platform in which computing resources are organized into one or more logical ______.

pools Signup and view all the answers

Cloud is the on-demand delivery of power, storage, applications, and other IT resources via the Internet with pay-as-you-go pricing.

computing Signup and view all the answers

Examples of software services: video conferencing, webhosting, collaboration service. 34 Cloud Service ▪ A cloud service is any IT resource that is made remotely accessible via a ______.

cloud Signup and view all the answers

The business ______ of cloud computing are capacity planning, cost reduction, organizational agility.

drivers Signup and view all the answers

A cloud service can exist as a simple web-based software program or as a remote access point for large environments and other IT ______.

resources Signup and view all the answers

Some primarily influential ______ for cloud computing are: cluster computing, grid computing, and virtualization.

technologies Signup and view all the answers

A cloud service with a published technical interface is being accessed by a consumer outside of the cloud (left).A cloud service that exists as a virtual server is also being accessed from outside of the cloud’s ______.

boundary Signup and view all the answers

The party that provides cloud-based IT resources is the cloud ______.

provider Signup and view all the answers

The cloud service on the left is likely being invoked by a consumer program/app that was designed to access the cloud service’s published technical ______.

interface Signup and view all the answers

The party that uses cloud-based IT resources is the cloud ______.

consumer Signup and view all the answers

The driving motivation behind cloud computing is to provide IT resources as ______.

services Signup and view all the answers

In a cloud environment, the ______ Boundary is extended beyond the Organizational Boundary.

Trust Signup and view all the answers

A multitude of models for generic types of cloud services have emerged, most of which are labeled with the '______-a-service' suffix.

as Signup and view all the answers

Vertical scaling is common in cloud environments due to the downtime required while the replacement is taking place. 41 Scaling VERTICAL SCALING: Figure: An IT resource (a virtual server with two CPUs) is scaled up by replacing it with a more powerful IT resource with increased capacity for data storage (a physical server with four CPUs). 42 Scaling 43 Scaling Horizontal Scaling Vertical Scaling expensive (through commodity hardware components) more expensive (specialized servers) IT resources instantly available IT resources normally instantly available automated resource replication and scaling additional setup is normally needed not limited by hardware capacity limited by maximum hardware capacity Horizontal Scaling is more commonly used in cloud environment. 44 Roles Cloud provider Cloud consumer Cloud resource administrator Additional roles o Cloud Auditor o Cloud Broker o Cloud Carrier These terms represent roles usually assumed by organizations in relation to clouds and corresponding cloud provisioning contracts and SLAs. 45 Cloud Provider The organization that provides cloud-based IT resources is the “cloud provider”.The organization that is responsible for making cloud services available to cloud consumers, as per agreed upon SLA guarantees.

less Signup and view all the answers

Vertical scaling is ______ common in cloud environments due to the downtime required while the replacement is taking place.

less Signup and view all the answers

Vertical Scaling is ______ expensive (through commodity hardware components) compared to Horizontal Scaling.

more Signup and view all the answers

IT resources normally ______ instantly available in Vertical Scaling.

are Signup and view all the answers

Vertical Scaling is limited by ______ hardware capacity.

maximum Signup and view all the answers

Cloud Provider is the organization that provides cloud-based IT resources to cloud consumers as per agreed upon ______ guarantees.

SLA Signup and view all the answers

Study Notes

Early Development of the Internet

Leonard Kleinrock was a chief scientist of the Advanced Research Projects Agency Network (ARPANET) project.
Internet-based computer utilities include search engines like Yahoo! and Google.

Cloud Computing

In 2002, Amazon.com launched the Amazon Web Services (AWS) platform, a suite of enterprise-oriented services that provide remotely provisioned storage computing capabilities.
In 2006, Amazon launched its Elastic Compute Cloud (EC2) services, enabling organizations to 'lease' computing capacity and processing power.

Distributed Computing

Distributed computing connects computers to act as one powerful computer.
Computers are connected through a local network (LAN) if geographically close or through a wide area network (WAN) if geographically dispersed.

Cluster Computing

Cluster computing involves using a cluster to perform complex tasks.
A cluster is a group of IT resources (computers) that are interconnected and work as a single system.
Component devices have reasonably identical hardware and operating systems.

Grid Computing

Grid computing provides a platform in which computing resources are organized into one or more logical networks.

Cloud Computing Benefits

Cloud computing provides on-demand delivery of computing power, storage, applications, and other IT resources via the Internet with pay-as-you-go pricing.
Business benefits of cloud computing include capacity planning, cost reduction, and organizational agility.

Cloud Service Models

A cloud service is any IT resource made remotely accessible via a network.
Cloud services can exist as simple web-based software programs or remote access points for large environments and other IT resources.

Cloud Computing Influences

Primarily influential technologies for cloud computing are cluster computing, grid computing, and virtualization.

Cloud Service Providers

The party that provides cloud-based IT resources is the cloud provider.
The party that uses cloud-based IT resources is the cloud consumer.

Cloud Scaling

Vertical scaling is less common in cloud environments due to downtime required while the replacement is taking place.
Horizontal scaling is more commonly used in cloud environments, offering automated resource replication and scaling without hardware capacity limitations.

Cloud Roles

Cloud provider: the organization that provides cloud-based IT resources.
Cloud consumer: the organization that uses cloud-based IT resources.
Cloud resource administrator, cloud auditor, cloud broker, and cloud carrier are additional roles.

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Description

Test your knowledge about cloud services and their various forms such as web-based software programs and remote access points for IT resources. Learn about the concept of cloud services and their importance in the modern IT landscape.