Which pair of mechanisms are often used together to allow dynamic routing over a secured site-to- site VPN tunnel?
Which pair of mechanisms are often used together to allow dynamic routing over a secured site-to- site VPN tunnel?
A. GRE + SSL
B. VTI + SSL
C. VRF + SSL
D. GRE + IPsec
E. L2TP + IPsec
F. VRF + IPsec
Correct Answer: D