You are in charge of Securing Networks Cisco Routers and Switches in your company when
troubleshooting site-to-site IPsec VPN, you see this console message:
%CRYPT0-6-IKMP_SA_N0T_0FFERED: Remote peer %15i responded with attribute [chars] not
offered or changed.
Which configuration should you verify?

A.
the crypto ACL

B.
the crypto map

C.
the IPsec transform set

D.
the ISAKMP policies