Which of the following is TRUE concerning unnumbered VPN Tunnel Interfaces (VTIs)?

Which of the following is TRUE concerning unnumbered VPN Tunnel Interfaces (VTIs)?
A . Local IP addresses are not configured, remote IP addresses are configured
B . VTI specific additional local and remote IP addresses are not configured
C . VTIs are only supported on Secure Platform
D . VTIs cannot be assigned a proxy interface

Answer: B