Chapter 6
1. A. By default, IPv6 routing is not enabled on a router. To enable it, you issue the ipv6 unicast-routing command in global configuration mode.
As a best practice, you should also enter ipv6 cef in global configuration mode (not router configuration mode) to enable Cisco Express Forwarding for IPv6.
However, ipv6 eigrp is not a valid command.
2. B. EIGRP uses the link-local address as the next hop for routing protocols. Based on R2’s MAC address, R2’s link-local address on Fa 0/0 will be FE80::1311:11FF:FE11:1111. This value is derived by splitting the MAC, inserting FFFE, and flipping bit 7, making the initial hex 11 become hex 13.
3. B. General EIGRP commands (for example, metric, eigrp stub, and eigrp router-id) are configured ...
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