CS Unit 3 T6 - Cloud Storage

CS Unit 3

T6 - Cloud Storage

By Michael Harrington

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Objectives

Understand what is meant by cloud storage

Explain the advantages and disadvantages of storing data on the cloud in comparison to storing it <?>

Poll

You will be getting questions on this topic in a few slides.

Why are you not making 100% effort?

Why are you not reading each slide carefully?

• I already know all this

• I am only after a grade C

• I am reading carefully and will get the questions correct

• I can not be bothered but will do this from now on

Multiple Select

Which is correct about Data centres?

[more than 1]

• Uptimes for data centres are often better than 99.99%

• The buildings will have temperature control and air conditioning to keep the servers as warm as possible

• Data centres are buildings that are dedicated to storing physical servers

• Cloud storage companies can all be trusted with company data

• Each server will contain an array of hard drives

Multiple Choice

Which is referring to cloud storage - Synchronisation of devices with the cloud storage

• is where multiple copies of files are stored in different locations

• is the ability of the storage system or cloud computing resources to increase in size

• You can access your data any time

• You can have a copy of your local data which mirrors the version stored in the cloud

Multiple Choice

Which is referring to cloud storage - 24/7 Availability

• is where multiple copies of files are stored in different locations

• is the ability of the storage system or cloud computing resources to increase in size

• You can access your data any time

• You can have a copy of your local data which mirrors the version stored in the cloud

Multiple Choice

Which is referring to cloud storage - Scalability

• is where multiple copies of files are stored in different locations

• is the ability of the storage system or cloud computing resources to increase in size

• You can access your data any time

• You can have a copy of your local data which mirrors the version stored in the cloud

Multiple Choice

Which is referring to cloud storage - Redundancy

• is where multiple copies of files are stored in different locations

• is the ability of the storage system or cloud computing resources to increase in size

• You can access your data any time

• You can have a copy of your local data which mirrors the version stored in the cloud

Multiple Select

Which is correct about privacy?

[more than 1]

• Companies and organisations will need to consider Data stored locally is under the control of a single person or organisation

• Both cloud storage and local storage may be hacked, however, typically clouds will rain when you least expect it.

• If data is stored in the cloud, the security and privacy of the data is controlled by an external company

• Cloud storage companies can all be trusted with company data

• When files and data are sent to the cloud, they are actually being sent to a server that is connected to the internet.

Fill in the Blank

Local storage is very fast to <?> data

A local SATA solid state drive can read and write data at around 500 MB per second

A typical UK internet connection operates at around 70 Mb/s giving speeds of less than 10 MB per second

Fill in the Blank

Local storage is very fast to transfer data

A local SATA solid state drive can read and write data at around 500 MB per second

A typical UK internet connection operates at around 70 Mb/s giving <?> of less than 10 MB per second

Open Ended

What is cloud storage?

Open Ended

How does cloud storage differ from local storage?

Open Ended

What are two disadvantages of cloud storage compared to local storage?

Open Ended

What are two advantages cloud storage compared to local storage?

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