Click the Exhibit button.You configure a 6to4 router, and try to communicate from system A to system B. The interfaces o

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Click the Exhibit button.You configure a 6to4 router, and try to communicate from system A to system B. The interfaces of the source and destination systems are shown in the exhibit. Your ping: systemA# ping -s fe80::203:baff:fe02:7aa5 yields:ICMPv6 Address Unreachable from gateway 2002:8193:c9f::1for icmp6 from 2002:8193:c9f::1 to fe80::203:baff:fe02:7aa5What is the cause of the problem?

A. You did not add a default route for the IPv6 traffic.
B. You can NOT reach the system on the local link address.
C. You do not have a route to gateway 2002:8193:c9f::1.
D. The system you are pinging on does not have IPv6 configured.