Why is there no encrypted session between host 10.10.10.1 and 20.20.20.1? 

Answer options:

A. Incorrect or missing group configuration on the client.
B. Incorrect or missing phase 2 configuration on the server.
C. Incorrect or missing Virtual-Template configuration on the server.
D. Incorrect or missing phase 1 configuration on server.
E. Incorrect or missing Virtual-Template configuration on the client.
F. Incorrect or missing group configuration on the server.

E