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Free Cisco 300-420 Exam Questions

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  • Cisco 300-420 Exam Questions
  • Provided By: Cisco
  • Exam: Designing Cisco Enterprise Networks
  • Certification: CCNP Enterprise
  • Total Questions: 342
  • Updated On: Feb 19, 2026
  • Rated: 4.9 |
  • Online Users: 684
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  • Question 1
    • An engineer must design a scalable QoS architecture that allows the separation of the traffic into classes 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?

      Answer: B
  • Question 2
    • When designing interdomain multicast, which two protocols are deployed to achieve communication between multicast sources and receivers? (Choose two.)

      Answer: C,D
  • Question 3
    • Refer to the exhibit. An engineer Is designing a redistribution solution for a customer. The customer recently acquired another company and decided to integrate the new network running RlPv1 with the company's existing network. Which redistribution technique must the engineer select to ensure the multipoint two-way redistribution does not cause routing loops?

      Answer: C
  • Question 4
    • A company wants to deploy IPv6 within its existing network infrastructure. All current infrastructure equipment supports IPv6, and the company wants a migration strategy that must not require purchasing additional equipment The plan must keep operational management costs low. support IPv6 multicast, and allow applications to migrate using DNS. Which strategy must the company choose?

      Answer: D
  • Question 5
    • 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?

      Answer: D
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