Question 28:
An engineer is creating a design to enable IPv6 to run on an existing IPv4 IS-IS network. The IPv4 and IPv6 topologies will match exactly, and the engineer plans to use the same IS-IS router levels for each protocol per interface. Which IS-IS design is required?
Answer options:
A. multi topology without enabling transition feature B. multi topology with transition feature enabled C. single topology without enabling transition feature D. single topology with transition feature enabled