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Cisco 300-420 Exam

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Question 121
An organization is designing a detailed QoS plan that limits bandwidth to specific rates. Which two parameters are supported by the traffic policing feature?(Choose two.)




Question 122
An engineer must propose a QoS architecture model that allows an application to inform the network of its traffic profile and to request a particular type of service to support its bandwidth and delay requirements. The application requires consistent and dedicated bandwidth end to end. Which QoS architecture model meets these requirements?




Question 123
An engineer is designing a multicast network for a financial application. Most of the multicast sources also receive multicast traffic (many-to-many deployment model). To better scale routing tables, the design must not use source trees. Which multicast protocol satisfies these requirements?




Question 124
An engineer is working for a large cable TV provider that requires multiple sources streaming video on different channels using multicast with no rendezvous point.
Which multicast protocol meets these requirements?




Question 125
What is the function of the multicast Reverse Path Forwarding check?





Question 126
An architect is designing a multicast solution for a network that contains over 100 routers. The architect plans to create several multicast domains and balance thePIM-SM traffic within the network. Which technology should the architect include in the design?




Question 127
An engineer must design a scalable QoS architecture that allows the separation of the traffic into classes based on predefined business requirements. The design must also utilize the differentiated services code points as the QoS priority descriptor value and support at least 10 levels of classification. Which QoS technology should the engineer include in the design?




Question 128
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?




Question 129
When designing interdomain multicast, which two protocols are deployed to achieve communication between multicast sources and receivers? (Choose two.)




Question 130
Refer to the exhibit. A customer needs to apply QoS to the network management traffic passing through the GigabitEthernet 0/2 interface. All eight queuing classes are in use, so the new requirement must be integrated into the existing policy. Which solution must the customer choose?
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