Cloud Computing

Question 1

Describe some advantages of cloud computing.

Answer 1

• A new system can be up in minutes rather than weeks.
• Operational costs significantly lower (you’re not paying to run your own server, they do all the work).
• Many network service tasks no longer require effort from IT department.
• Flexible, cloud can be adapted for use by almost any type of business.

Question 2

Describe some weaknesses of using the cloud.

Answer 2

• Data security: a big issue.

- Less control: less control over data than on your own server.

Question 3

Describe IAAS.

Answer 3

Infrastructure as a service:

• Allows Iceland to run own software using the cloud. Not use someone else’s like nexus or even make their own, just allows them to use cloud functions with whatever current systems they have in place.
• Aimed at companies who want to complete computer activities using the cloud.

Question 4

Describe PAAS.

Answer 4

Platform as a service

• Allows a company to produce their own application using tools provided online via the cloud.
• Imagine if Iceland wanted to make their own Netflix.
• Used by enterprise application architects and software developers.
• Aimed at companies who wish to avoid keeping own hardware systems.

Question 5

Describe SAAS.

Answer 5

Software as a Service

• One company provides an online application/service to deal with another company’s data. For example Nexus and Iceland.
• Aimed at company’s who want to move data and applications to the cloud.