Refer to the Cisco IOS XR router output exhibit,
which method is being used to transport IPv6 traffic over the service provider network?
A.
6PE
B.
6VPE
C.
native IPv6
D.
native IPv4
E.
dual stack
Explanation:
NOT SURE THIS MATCHES ANSWER
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https://tools.ietf.org/html/rfc4291#section-2.2, #3:
An alternative form that is sometimes more convenient when dealing with a mixed environment of IPv4 and IPv6 nodes is x:x:x:x:x:x:d.d.d.d, where the ‘x’s are the hexadecimal values of the six high-order 16-bit pieces of the address, and the ‘d’s are the decimal values of the four low-order 8-bit pieces of the address (standard IPv4 representation).
Examples:
0:0:0:0:0:0:13.1.68.3 >>> compressed form: ::13.1.68.3
0:0:0:0:0:FFFF:129.144.52.38 >>> compressed form: ::FFFF:129.144.52.38
https://tools.ietf.org/html/rfc6052#section-2.3
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