Answer:
<em>Private cloud</em>
Explanation:
<em>A Private cloud is another type of cloud computer that delivers same advantages of a public cloud, which include some features like self-service. availability, but passes through an architecture that is proprietary. </em>
<em>The primary function of a private cloud is it is recommended only to achieve the aims of a single or private organisation</em>
<em>From the example given, the method that can be used in meeting the needed requirements of banks is implementing a private cloud </em>
<em>By using the private cloud method, computer resources can be shared in a public cloud, at the same time, it is completely isolated alone from other banks or organisation and using the same service provider or resources of the cloud.</em>
<em>In this situation, this i the best method, he banks need right now. T. Which is exactly what the small bank needs in this situation.</em>