An XML firewall is most commonly deployed in line between the firewall and application server to validate XML code before it reaches the application. An XML firewall is intended to validate XML before it reaches the application. Placing the XML firewall between the presentation and application layers, between the firewall and IPS, or between the application and data layers would not serve the intended purpose.

Explanation/Reference:
Explanation:
Reversibility is the cloud concept involving the ability for a cloud customer to remove all of its data and IT assets from a cloud provider. Also, processes and agreements would be in place with the cloud provider that ensure all removals have been completed fully within the agreed upon timeframe. Portability refers to the ability to easily move between different cloud providers and not be locked into a specific one.
Removability and extraction are both provided as terms similar to reversibility, but neither is the official term or concept.

SOC 2 deals with the CIA triad. SOC 1 is for financial reporting. SOC 3 is only an attestation by the auditor.
There is no SOC 4.

Explanation/Reference:
Explanation:
Directive 95/46/EC is titled "On the protection of individuals with regard to the processing of personal data and on the free movement of such data."