The Linthicum Model

• A model for virtualization that enhances the SPI framework's maturity through the use of 'stacks'
• A model for virtualization that enhances the SPI framework's maturity through the use of 'clouds'
• A model for cloud computing that enhances the SPI framework's maturity through the use of 'clouds'
• A model for cloud computing that enhances the SPI framework's maturity through the use of 'stacks' (correct)

• The ability to leverage storage that physically exists remotely, but is not accessible to any application that requires storage.
• The ability to leverage storage that physically exists locally, but is logically a remote storage resource to any application that requires storage.
• The ability to leverage storage that physically exists locally, but is not accessible to any application that requires storage.
• The ability to leverage storage that physically exists remotely, but is logically a local storage resource to any application that requires storage. (correct)

• The ability to consume any type of information, remotely hosted, through an undefined interface such as an API.
• The ability to consume any type of information, locally hosted, through a well-defined interface such as an API.
• The ability to consume any type of information, remotely hosted, through a well-defined interface such as an API. (correct)
• The ability to consume any type of information, locally hosted, through an undefined interface such as an API.