What technology can secure data over an insecure medium and provide WAN redundancy in the event of a primary connection failure?
A. virtual private network
B. shadow PVC
C. dial-up ISDN
D. GRE Tunnel
What technology can secure data over an insecure medium and provide WAN redundancy in the event of a primary connection failure?
A. virtual private network
B. shadow PVC
C. dial-up ISDN
D. GRE Tunnel