Computer Applications
Answer
| Private clouds | Public clouds |
|---|---|
| A private cloud consists of computing resources used and exclusively owned by one business or organization. | Public cloud refers to a common cloud service made available to multiple subscribers. |
| Private cloud resides on company's intranet or hosted data center where all the data is protected behind a firewall. | In public cloud, the same hardware, storage, and network devices are shared among the cloud tenants. |
| Private clouds are often used by government agencies, financial institutions, any other mid to large-size organizations with business-critical operations seeking enhanced control over their environment. | Public cloud deployments are frequently used to provide web-based email, online office applications, storage, and testing and development environments. |
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A company has brought laptop computers for training purposes and for information retrieval. These computers will use the internet and have multimedia capabilities.
(a) State two advantages and one disadvantage of using the internet to search for information when compared to using CD-ROMs or paper-based systems.
(b) The laptops are linked to the network using wireless connections. Give one advantage and one disadvantage of using wireless connections.
Booking seats on an aeroplane can be done by the Internet.
(a) Give two advantages of using the Internet rather than making a telephone call for this task.
(b) What type of file access would be needed to make a booking ? Give a reason for your choice.