Refer to the exhibit.

Vendor: Cisco
Product: 300-420
Update on: Jul 27, 2025
Questions: 339

Cisco 300-420 Question Answer

Refer to the exhibit. An architect is designing an ISIS network for a customer migrating from IPv4 to IPv6. The current network uses narrow metrics, and the IPv6 areas will increase to 10 within the next two years. Also, IPv6 traffic must not blackhole in IPv4 network during the migration. Which two solutions must the architect choose? (Choose two.)

multi-topology enabled under address-family ipv6 on C1 and C2

metric-style transition enabled on all routers

multi-topology enabled under address-family ipv6 on E1 and E2

metric-style transition enabled on C1 and C2

metric-style transition enabled on E1 and E2