Cisco Related Exams
300-420 Exam
A network engineer is redesigning a company's QoS solution. The company is currently using IP Precedence, but the engineer plans to move to DiffServ. It is important that the new solution provide backward compatibility with the current solution. Which technology should the design include?

Refer to the exhibit. A Cisco Catalyst switch is configured to.. only one MAC address to be learned manually on interface gkjO/2. Which command must be run to dynamically learn the devices that are connected to the switch port?


Refer to the exhibit An engineer is designing an OSPF solution with these requirements:
NMS server will manage R5 and R6.
Upon failure of R1. all NMS traffic should be routed through R4.
Upon failure of the link between R5 and R6. all traffic destined for 10.6.6.6 should be routed through R4
Which solution must the engineer choose?