which statement about LISP proxy ETR is true
A. LISP site with IPV4-0nly RLOC connectivity can send IPV6 EID within an IPV4 LISP header
B. PETR support transport of LISP only, traffic from one address to LISP site in the same address
C. a LISP site with IPV6-Only RLOC can communicate to non-LISP IPV6 internet users across IPV4 internet communicate to non-LISP IPV4 internet users across IPV6 Internet
D. a LISP PETR implement ITR mapping database lookup and LISP encapsulation function on behalf
