A network engineer must connect two sites across a public network using a secure tunneling technology that supports multicast traffic. Which technology must be chosen?
A. IPsec
B. GRE
C. PPTP
D. GRE over IPsec
A network engineer must connect two sites across a public network using a secure tunneling technology that supports multicast traffic. Which technology must be chosen?
A. IPsec
B. GRE
C. PPTP
D. GRE over IPsec