Cisco Related Exams
300-420 Exam
How is internet access provided to a WAN edge router that is connected to a MPLS transport link?

Refer to the exhibit An engineer is designing a hierarchical ISIS solution for an enterprise customer with these requirements
Users in areas 25 and 55 send and receive traffic from both backbone areas
Link flaps in areas 35 and 45 must not impact other areas
Routers will double within the next 12 months in areas 35 and 45
Which design must the engineer select?
Refer to the exhibit.

An engineer must optimize the traffic flow of the network. Which change provides a more
efficient design between the access and the distribution layer?