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Update kernel-dma-protection-for-thunderbolt.md

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Updated FAQ section (How can I check if a certain driver supports DMA-remapping?)
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windows/security/information-protection/kernel-dma-protection-for-thunderbolt.md
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@ -100,7 +100,7 @@ In-market systems, released with Windows 10 version 1709 or earlier, will not su
No, Kernel DMA Protection only protects against drive-by DMA attacks after the OS is loaded. It is the responsibility of the system firmware/BIOS to protect against attacks via the Thunderbolt™ 3 ports during boot.
### How can I check if a certain driver supports DMA-remapping?
DMA-remapping is supported for specific device drivers, and is not universally supported by all devices and drivers on a platform. To check if a specific driver is opted into DMA-remapping, check the values corresponding to the DMA Remapping Policy property in the Details tab of a device in Device Manager*. A value of 0 or 1 means that the device driver does not support DMA-remapping. A value of 2 means that the device driver supports DMA-remapping.
DMA-remapping is supported for specific device drivers, and is not universally supported by all devices and drivers on a platform. To check if a specific driver is opted into DMA-remapping, check the values corresponding to the DMA Remapping Policy property in the Details tab of a device in Device Manager*. A value of 0 or 1 means that the device driver does not support DMA-remapping. A value of 2 means that the device driver supports DMA-remapping. If the property is not available, then the policy is not set by the device driver (i.e. the device driver does not support DMA-remapping).
Please check the driver instance for the device you are testing. Some drivers may have varying values depending on the location of the device (internal vs. external).
*For Windows 10 versions 1803 and 1809, the property field in Device Manager uses a GUID, as highlighted in the following image.