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400-007 – Cisco Certified Design Expert (CCDE v3.0) Written Exam

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Showing 13–15 of 15 questions

Question 13

A service provider recently migrated to an SD-WAN solution for delivering WAN connections to its customers. One of the main challenges with the SD-WAN deployment is that branch site volume increases every year, which causes management complexity. Which action resolves the issue?

Select an option, then click Submit answer.

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    Implement a scalable network management system to manage all sites.
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    Adopt a well-structured SD-WAN service management lifecycle model
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    Build a service orchestration platform on top of the network controller
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    Set up a dedicated team to monitor and provision new customers
Question 14

SDWAN networks capitalize the usage of broadband Internet links over traditional MPLS links to offer more cost benefits to enterprise customers. However, due to the insecure nature of the public Internet, it is mandatory to use encryption of traffic between any two SDWAN edge devices installed behind NAT gateways. Which overlay method can provide optimal transport over unreliable underlay networks that are behind NAT gateways?

Select an option, then click Submit answer.

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    TLS
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    DTLS
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    IPsec
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    GRE
Question 15

You are designing a network running both IPv4 and IPv6 to deploy QoS Which consideration is correct about the QoS for IPv4 and IPv6?

Select an option, then click Submit answer.

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    IPv4 and IPv6 traffic types can use use queuing mechanisms such as LLQ, PQ and CQ.
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    IPv6 packet classification is only available with process switching, whereas IPv4 packet classification is available with both process switching and CEF.
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    IPv6 and IB/4 traffic types can use a single QoS policy to match both protocols
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    Different congestion management mechanisms need to be used for IPv4 and IPv6 traffic types