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Final > IT (lecture 8) > Flashcards

IT (lecture 8) Flashcards

1
Q

….. is the delivery of computing services including servers, storage, databases, networking, software, analytics, and intelligence over the internet to offer faster innovation, flexible resources, and economies of scale

A

Cloud computing

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2
Q

…… refers to cloud services ( such as virtual machines, storage, or applications) offered publicly by a commercial provider to businesses and individuals

A

The public cloud

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3
Q

The ….. owned and managed by service provider

A

Public cloud

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4
Q

The ….. made available to the general public or a large industry group

A

Public cloud

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5
Q

The …. is easy and inexpensive setup, because hardware, applications, and bandwidth costs are covered by the provider

A

Public cloud

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6
Q

In ….., No wasted resources because you pay for what you use

A

Public cloud

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7
Q

The ….. refers to cloud services that are owned and managed by the organization that uses them and available only to the organization’s employees and customers

A

Private cloud

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8
Q

….. operated solely for an organization

A

Private cloud

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9
Q

….. may be managed by the organization or a third party

A

Private cloud

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10
Q

….. limits access to enterprise and partner network

A

Private cloud

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11
Q

….. retains high degree of control, privacy and security

A

Private cloud

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12
Q

….. combines public and private cloud resources to support the organization’s computing needs while maintaining compliance with industry regulation

A

Hybrid cloud

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13
Q

…. is the on-demand delivery of computing infrastructure, including operating systems, networking, storage, and other infrastructural components

A

IaaS

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14
Q

….. act as a virtual equivalent to physical servers

A

IaaS

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15
Q

…. relieves cloud users of the need to buy and maintain physical servers while also providing the flexibility to scale and pay for resources as needed

A

IaaS

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16
Q

IaaS providers include …., …., …., and ….

A

Digital ocean, web services, Microsoft Azure, Google computing engine

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17
Q

In IaaS, users are …..

A

IT administrators

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18
Q

….. provides a computing platform where the underlying infrastructure is installed, configured, and maintained by the provider

A

PaaS

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19
Q

….. allow users to focus their efforts on developing and deploying apps in a tested and standardized environment

A

PaaS

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20
Q

In PaaS, users are ……

A

Software developers

21
Q

Example of PaaS include …., …, …., and ….

A

Windows Azure, Force.com, Google App Engine, OpenShift

22
Q

….. providers are cloud-based applications that users access on demand from the internet without needing to install or maintain the software

A

SaaS

23
Q

Like …., ….. abstracts away the underlying infrastructure of the software application so that users are only exposed to the interface they interact with

A

PaaS, SaaS

24
Q

Examples on SaaS include …, …, …, and …

A

GitHub, Google Docs, Dropbox, Slack

25
Q

In SaaS, users are …..

A

End customers

26
Q

In PaaS, you manage …. and ….

A

Applications, data

27
Q

As cloud computing has …… characteristic, an end user can provision computing capabilities, such as server time and network storage, eliminating the traditional need for IT administrators to provision and manage compute resources

A

Self-service provisioning

28
Q

As cloud computing has ….. characteristic, companies can freely scale up as computing needs increase and scale down again as demands decrease

A

Elasticity

29
Q

As cloud computing has ….. characteristic, compute resources are measured at a granular level, enabling users to pay only for the resources and workloads they use

A

Pey-per-use

30
Q

As cloud computing has ….. characteristic, CSPs often implement redundant resources to ensure resilient storage and to keep users’ important workloads running – often across multiple global regions

A

Workload resilience

31
Q

As cloud computing has …. characteristic, organizations can move certain workloads to or from the cloud – or to different cloud platforms – as desired or automatically for better cost savings or to use new services as they emerge

A

Migration flexibility

32
Q

As cloud computing has …. characteristic, a user can access cloud data or upload data to the cloud from anywhere with an internet connection using any device

A

Broad network access

33
Q

As cloud computing has …. characteristic, …. lets numerous customers share the same physical infrastructures or the same applications yet still retain privacy and security over their own data

A

Multi-tenancy, multi-tenancy

34
Q

As cloud computing has …. characteristic, cloud providers service numerous customers from the same physical resources

A

Resource pooling

35
Q

As cloud computing has ….. advantage, using cloud infrastructure can reduce capital costs, as organizations don’t have to spend massive amounts of money buying and maintaining equipment

A

Cost management

36
Q

As cloud computing has …. advantage, storing information in the cloud means that users can access it from anywhere with any device with just an internet connection

A

Data and Workload mobility

37
Q

As cloud computing has …. advantage, all organizations worry about data loss. Storing data in the cloud guarantees that users can always access their data even if their devices are inoperable

A

Business Continuity and DisastervRecovery

38
Q

As cloud computing has …. disadvantage, when relying on the cloud, organizations risk data breaches, hacking of APIs and interfaces, compromised credentials and authentication issues

A

Cloud security

39
Q

…. is considered the greatest challenge facing cloud computing

A

Security

40
Q

As cloud computing has …. disadvantage, cloud costs are frequently interdependent, with one cloud service often utilizing one or more other cloud services, all of which appear in the recurring monthly bill

A

Cost unlredictability

41
Q

As cloud computing has …. disadvantage, With cloud-supporting technologies rapidly advancing, organizations are struggling to keep up with the growing demand for tools and employees with the proper skill sets and knowledge needed to architect,
deploy, and manage workloads and data in a cloud

A

Lack of capability and expertise

42
Q

As cloud computing has …. disadvantage, The emphasis on do-it-yourself capability in cloud computing can make IT governance difficult, as
there is no control over provisioning, deprovisioning and management of infrastructure operations

A

IT governance

43
Q

As cloud computing has …. disadvantage, every cloud is different, so multi-cloud deployments can disjoint efforts to address more general cloud computing challenges

A

Management of multiple clouds

44
Q

As cloud computing has …. disadvantage, performance such as latency is largely beyond the control of the organization contracting cloud services with a provider

A

Cloud performance

45
Q

As cloud computing has …. disadvantage, architecting, building and managing private clouds can be a daunting task for IT departments

A

Building a private cloud

46
Q

As cloud computing has …. disadvantage, the process of moving applications and other data to a cloud infrastructure often causes complications

A

Cloud migration

47
Q

As cloud computing has …. disadvantage, switching between cloud providers can cause significant issues

A

Vendor Lock-in

48
Q

As cloud computing has …. disadvantage, this includes technical incompatibilities, legal and regulatory limitations and substantial costs incurredvfrom sizable data migrations

A

Vendor lock-in

49
Q

A fundamental concept behind cloud computing is that the ….. of the service is irrelevant to the user

A

Location

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