Explanation/Reference:
Explanation:
Unsure about these answers:
A public key infrastructure must be deployed.

Windows Firewall must be enabled on all profiles.

ISATAP in the corporate network is not supported. If you are using ISATAP, you should remove it and

use native IPv6.
Computers that are running the following operating systems are supported as DirectAccess clients:

- Windows Server® 2012 R2
- Windows 8.1 Enterprise
- Windows Server® 2012
- Windows 8 Enterprise
- Windows Server® 2008 R2
- Windows 7 Ultimate
- Windows 7 Enterprise
Force tunnel configuration is not supported with KerbProxy authentication.

Changing policies by using a feature other than the DirectAccess management console or Windows

PowerShell cmdlets is not supported.
Separating NAT64/DNS64 and IPHTTPS server roles on another server is not supported.
