6 - The Cloud Flashcards

Information Technology concepts and vocab

1
Q

Cloud

A

A term that refers to elastic leasing of pooled computer resources over the internet

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2
Q

Content Delivery Network

(CDN)

A

An information system that serves content to Web pages over the internet

To reduce wait time, data is typically stored and served from many geographic locations

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3
Q

Infrastructure as a service

(IaaS)

A

The cloud hosting of a bare server computer or data storage.

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4
Q

“Over the Internet”

A

As applied to cloud computing,

the provisioning of world-wide servers over the internet.

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5
Q

Packet Analyzer

A

Program used for appropriate purposes to read, record, and display all of the wireless packets that are broadcasted in the vicinity of the computer running the analyzer.

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6
Q

Packet sniffers

A

Programs used for inappropriate purposes that are used to read, record, and display all the wireless packets that are broadcast in the vicinity of the computer running the sniffers.

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7
Q

Platform as a Service

(PaaS)

A

Vendors provide hosted computers, an operating system, and possibly DBMS.

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8
Q

Pooled

A

Situation in which multiple organizations use the same physical hardware.

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9
Q

Private cloud

A

In-house hosting, delivered via Web services standard, which can be dynamically configured.

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10
Q

Remote action system

A

An information system that provides action at a distance,

such as telesurgery or telelaw enforcement.

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11
Q

Service Oriented Architecture

(SOA)

A

A design philosophy that dictates:

ALL interactions among computing devices are defined as services in a formal, standardized way.

SOA makes the cloud possible.

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12
Q

Software as a Service

(SaaS)

A

Leasing hardware infrastructure, operating systems, and application programs to another organization.

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13
Q

Telediagnosis

A

A remote access system used by health care professionals to provide expertise in rural or remote areas.

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14
Q

Telelaw enforcement

A

A remote access system that provides law enforcement capability.

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15
Q

Telesurgery

A

A remote access system that links surgeons to robotic equipment and patients at a distance

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16
Q

Tunnel

A

A virtual, private pathway over a public or shared network from VPN client to VPN server

17
Q

Virtual Private Cloud

(VPC)

A

A subset of a public cloud that has highly restricted, secure access.

18
Q

Virtual Private Network

(VPN)

A

A WAN connection alternative that uses the Internet or a private internet to create the appearance of private point-to-point connections.

In the IT world, the term virtual means something appears to exist that does not in fact exist.

Here, a VPN uses the public internet to create the appearance of a private connection.

19
Q

Web service standards

A

Worldwide standards that programs use to declar what they do, the structure of the data they process, and the ways they will communicate.

20
Q

Web services

A

SOA-designed programs that comply with Web service standards.