MegaCorp plans to upgrade all of its firewalls. Currently the corporation is a mixture of SecurePlatform and IPSO machin

[answerhappygod]

MegaCorp plans to upgrade all of its firewalls. Currently the corporation is a mixture of SecurePlatform and IPSO machines running R71, to the latest code level of
GAiA. Many of the firewalls are using VTIs to allow advanced routing configuration to propagate through all the networks. What will the Acme company need to do to make sure VTIs will work once moved to GAiA?

A. Move to Domain based routing as GAiA does not support VTIs.
B. Convert all the Secure Platform replacements to unnumbered VTIs.
C. Nothing specific as GAiA supports both numbered and unnumbered VTIs.
D. Convert all of the IPSO replacements to numbered VTIs.