cloud computing Flashcards

1
Q

the term cloud is used as a ____ for a set of resource infrastructures accessible over the internet

A

metaphor

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2
Q

on-demand availability for computer system resources, especially data storage and computing power, without direct active management by the user

A

cloud computing

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3
Q

cloud computing is a model of ____ rather than ___ resources

A

renting, buying

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4
Q

somewhere the “cloud” comes to “ground” there must be a physical place where the copmuting resources are made available

A

coming-to-ground

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5
Q

there are hella data centers, especially in

A

virginina

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6
Q

provider’s computing resources are pooled to serve multiple consumers. making more efficient use of hardware lessens the amount of hardware needed

A

resource pooling

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7
Q

multiple customers share the same application, running on the same operating system, on the same hardware, with the same data-storage mechanism (database)

A

multi-tenancy model

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8
Q

a group of users who share common access

A

tenant

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9
Q

allow resources on one computer ot be split into multiple virtual minicomputers (“many boxes in a box”) inside which many applications can be run separately.

A

Virtualization

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10
Q

allows you to run windows in your mac memory- your machine is now running two operating systems at the same time, but they are kept apart

A

parallels

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11
Q

customers generally have little or no control or knowledge over the exact location of the hardware supporting the provided resources

A

location independence

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12
Q

a consumer can unilaterally provision copmuting capabilities automatically without requiring human interaction with each service provider

A

on-demand self-service

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13
Q

rapidly and elastically provisioned to quickly scale up when needed
- rapidly released to quickly scale down if demand drops

A

scalability

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14
Q

providing transparency for both the provider and consumer of the utilized service

A

measured/ metered service

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15
Q

wherever there is a network, you have access

A

broad network access

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16
Q

what are some cloud computing benefits

A

-subscription
-increased efficiency
- rapid access
-scalability
-greener computing

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17
Q

what are cloud computing concerns

A

-security
-availability (higher risks in zones with weaker telecom infrastructure)
-lock in - interoperability among clouds is no t yet at a mature stage
-legal- government policies may not allow data to be stored abroad

18
Q

provisioning cloud services and infrastrucutre requires a _____

A

set of technologies

19
Q

the app you have open and interacting wtih is high-level but requires _________ in order to work

A

all the lower-level technologies

20
Q

windows task manager monitors the local windows ____

A

runtime

21
Q

consumers rent processing storage, networks, and other fundamental computing resources from the cloud provider

A

IaaS (Infrastrucutre as a Service):

22
Q

manages the sharing of computers to maximize use, ensures networking/ security capability, and physical security

A

cloud provider of Iaas

23
Q

consumers can deploy and run software of their ___

A

choice

24
Q

What is Paas

A

platform as a service, builf on IaaS

25
Q

more fullly configured computing environemnt that supports operating systems, supported programming enviornemtns, database servers

A

cloud provider of PaaS

26
Q

consumers of Paas can develop and deploy their own applications in the _____ supported by the paaS stack

A

cloud

27
Q

when consumers elect outsource the entire it stack to a third party provider
- softare licensing and delivery model in which applications are licensed on a subscription basis and are centrally hosted on the cloud by a 3rd party service provider

A

Software as a service (SaaS)

28
Q

SaaS and FaaS has allowed many app providers to move to a more lucrative _____ for value capture

A

subcription-based model

29
Q

business model in which a customer must pay a recurring price at regular intervals for access toa product or service

A

subscription based model for value capture

30
Q

Consumers can execute lightweight, single-purpose stateless functions that can be executed on demand, typically through an API without consuming resources until the point of execution

A

Function as a Service (FaaS)

31
Q

many companies expose their web services through this
- designed for computer-to-computer interactions not human to computer interactions

A

API (application programming interface)

32
Q

how are api calls made through

A

HTTP requests

33
Q

most apis use _____

A

REST (representational State Transfer)

34
Q

Made up of name-value pairs

A

json Java Script Object Notation

35
Q

what is a public cloud

A

amazon, google cloud

36
Q

cloud infrastrucutre is operated solely for an organization. IT may be managed by the organization or a third party and may exist on-premise or off premise

A

private clouds

37
Q

cloud infrastrucutre is operated solely for an organization. IT may be managed by the organization or a third party and may exist on-premise or off premise

A

private clouds

38
Q

cloud providers offer services that include hardware, operating system, developmet tools, testing, and hosting

A

platform as a service

39
Q

cloud providers offer services that include running the remote hardware, storage, and networking

A

infrastrucutre as a service

40
Q

massive network of computer servers software to coordinate their collective use. Server farms provide the infrastrucutre backbone to SaaS and hardware cloud efforts, as well as any large-scale internet services

A

server farm