What is the purpose of the RPF check in multicast routing?
A. to ensure that multicast packets are forwarded if they arrived on the interface used to route traffic back to the source address
B. to ensure that multicast packets are dropped if they arrived on the interface used to route traffic to the destination address
C. to ensure that multicast packets are forwarded if they arrived on the interface used to route traffic to the destination address
D. to ensure that multicast packets are dropped if they arrived on the interface used to route traffic back to the source address
E. to ensure that multicast packets, no matter the interface they arrived on, are forwarded out all interfaces
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?
A. Configure the queuing default queue for shaping inbound and policing inbound.
B. Configure the queuing default queue for shaping inbound and policing outbound.
C. Configure the queuing default queue for shaping outbound and policing inbound.
D. Configure the queuing default queue for shaping outbound and policing outbound.
Nowadays, the certification exams become more and more important and required by more and more enterprises when applying for a job. But how to prepare for the exam effectively? How to prepare for the exam in a short time with less efforts? How to get a ideal result and how to find the most reliable resources? Here on Vcedump.com, you will find all the answers. Vcedump.com provide not only Cisco exam questions, answers and explanations but also complete assistance on your exam preparation and certification application. If you are confused on your 300-420 exam preparations and Cisco certification application, do not hesitate to visit our Vcedump.com to find your solutions here.