Refer to the exhibit. BGPsec is implemented on R1, R2, R3, and R4. BGP peering is established between neighboring autonomous systems.Which statement about imple...

Refer to the exhibit. BGPsec is implemented on R1, R2, R3, and R4. BGP peering is established between neighboring autonomous systems.Which statement about implementation is true?

A. BGP updates from the iBGP peers are appended with a community of local-as. B. BGP updates from the all BGP peers are appended with a community of no-export. C. BGP updates from the eBGP peers are appended with an additional AS path value that is statically set by the domain administrator. D. BGP updates from the eBGP peers are appended with a BGPsec attribute sequence that includes a public key hash and digital signature.