1.2. Cloud computing

Question 1

cloud computing

Answer 1

• use of
  > resources/software
  > as services
  > Internet/online - remotely
  > shared
  > subscription fee
  > scalable

Question 2

how are resources shared in cloud computing

Answer 2

like how processing power shared between users

Question 3

what does ‘in the cloud’ mean

Answer 3

data use on the Internet

Question 4

advantages of cloud computing affects limitations on access to data and processing power

Answer 4

• not limited to
  > location
  > device (any OS)
  > size > scalable
• limited to
  > Internet connection > fast & reliable
  > fee

Question 5

examples of cloud computing

Answer 5

• online storage
  > file syncing
  > backup
• media repositories
• cloud applications

Question 6

examples of online storage - file syncing

Answer 6

Dropbox
iCloud/OneDrive/Google Drive
SugarSync
CX

Question 7

what does online storage - file syncing do?

Answer 7

stores files on Internet
like virtual hard drive
access, add, delete

Question 8

how does online storage - file syncing work?

Answer 8

• indicate files on comp synced to Internet
  > web interface on browser
  > app
  + integrates OS file system
  + automatically synced folder
  = security risk on public tech

Question 9

what files would you want to store in online storage - file syncing

Answer 9

• multi-device access
• share
• copy (like backup, not as good)

Question 10

what did online storage - file syncing replace?

Answer 10

• e-mailing files
• USB

Question 11

charges for online storage - file syncing

Answer 11

• usually free version
  > limited storage
• monthly subscription
  > more storage
  > charged/GB

Question 12

what is online/cloud storage - backup?

Answer 12

backup data
access in emergency

Question 13

how do cloud backup services work?

Answer 13

• automatic schedule
  1. backup drive/specified folders
  2. incremental duplication of changed files

Question 14

how does cloud backup differ to cloud syncing?

Answer 14

more data
less data traffic

Question 15

what does cloud backup enable access to?

Answer 15

• history of file versions
• files deleted from computer

Question 16

special feature of online backup services

Answer 16

most encrypt data > only you decrypt/access > increased security

Question 17

how is cloud backup better than cloud syncing in terms of backup power

Answer 17

• incremental
• secure

Question 18

examples of online backup programs

Answer 18

Carbonite
Acronis
CrashPlan

Question 19

charge of online backup

Answer 19

sub fee / user or computer

Question 20

what is a (media) repository?

Answer 20

safe online storage location
- buy cloud access to media
> not download/carry

Question 21

examples of media repositories

Answer 21

iTunes
Amazon

Question 22

advantages of media repository

Answer 22

• any device
  > any storage space
• all media

Question 23

are media repositories popular in south africa? why/why not?

Answer 23

no - Internet connectivity more expensive and slower

Question 24

difference between media repository and backup/syncing?

Answer 24

• no individualized file copies
  > control access to single file based on libraries of users

Question 25

charge of media repositories

Answer 25

- usually limited storage free - yearly fee for full access

Question 26

what does media repositories work best with and why?

Answer 26

low-bandwidth media > music = not movies > high-bandwidth

Question 27

what are cloud applications?

Answer 27

- software - most/all processing cloud-based > 1+ Internet servers

Question 28

examples of cloud applications

Answer 28

Gmail Facebook

Question 29

how can cloud applications present on computer

Answer 29

- app interface on device - page on web browser > app interface in cloud too

Question 30

what are specific types of cloud applications

Answer 30

- Office software - consumer cloud apps - general business apps

Question 31

examples of cloud application Office software

Answer 31

Google Docs Office 365 iWork > last two have local non-cloud-based apps

Question 32

charges of specific cloud Office software

Answer 32

Google Docs - free iWork - free w Apple ID Office 365 - sub fee

Question 33

what are consumer cloud applications

Answer 33

- anyone < most cloud business/service - high processing power

Question 34

examples of consumer cloud applications

Answer 34

123D Catch (Autodesk) Microsoft Photosynth

Question 35

why are consumer cloud applications used?

Answer 35

online server processing higher than local device

Question 36

what is 123D Catch

Answer 36

photo of object > digital 3D object > use in 3D software

Question 37

what is photosynth

Answer 37

many diff photos (angle, zoom) of locaysh stitched > pan-able, zoomable mega-panorama > 3D view

Question 38

charges of 123D Catch and Photosynth and how run and why better

Answer 38

free multiple servers much faster than alone

Question 39

what are general business cloud apps used for

Answer 39

- custom for specific needs - alternatives to non-cloud

Question 40

examples of types of cloud business software

Answer 40

CRM (Customer Relationship Management) HR (Human relations > employee management) accounting software

Question 41

specific example of cloud business software

Answer 41

app suite at Salesforce.com

Question 42

what does SaaS stand for

Answer 42

Software as a Service

Question 43

what is SaaS

Answer 43

- business model > how pay > 'renting' of software > no eternal license

Question 44

how did software purchasing work before SaaS

Answer 44

- not own - once-off for right/license of use > specific version, not future upgrades

Question 45

how is SaaS better than buying?

Answer 45

- latest, up-to-date version - long as paying monthly sub fee

Question 46

forms of SaaS

Answer 46

Cloud-based apps Downloadable, locally installed apps Integrated products

Question 47

how do cloud-based apps reflect when they are SaaS

Answer 47

- software runs on remote servers - regular fee to access

Question 48

examples of SaaS cloud-based apps

Answer 48

business apps > Salesforce almost every (non-free) cloud-based app