What technology allows transporting Layer2 attachment circuits over IP-only backbones?
A. GRE
B. AToM
C. L2TPv3
D. DLSW+
Answer:C
What technology allows transporting Layer2 attachment circuits over IP-only backbones?
A. GRE
 B. AToM
 C. L2TPv3
 D. DLSW+
