An engineer has integrated a new DMVPN to link remote offices across the internet using Cisco
IOS routers. When connecting to remote sites, pings and voice data appear to flow properly and all
tunnel stats seem to show that are up. However, when trying to connect to a remote server using
RDP, the connection fails. Which action resolves this issue?
A.
Change DMVPN timeout values.
B.
Adjust the MTU size within the routers.
C.
Replace certificate on the RDP server.
D.
Add RDP port to the extended ACL.