Cisco Related Exams
300-420 Exam

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?
An engineer is designing a QoS solution for a customer The customer's internet connection has a bandwidth of 10 Mbps. The design must ensure that traffic bursts of data do not exceed the bandwidth of the connection and that received traffic does not starve out business-critical traffic Which solution must the engineer choose?
An engineer must design a solution to provide backup connectivity between two sites. The engineer plans to use an Internet connection but company policy requires the connection to be encrypted. Additionally, there are several applications that utilize multicast to deliver video streams between the sites. Which technology should the design include?