400-007 Practice Online

Question 1

Which SDN architecture component is used by the application layer to communicate with the control plane layer to provide instructions about the resources required by applications?

A : uthbound APIs

B : rthbound APIs

C : chestration layer

D : N controller

Answer: B

Question 2

Refer to the exhibit.

2022-02-16-05-49-47-4bed6cdf27e43ced500562749ecb5302

On this MPLS-based network ring, links have failed between router A and router E. These failures formed microloops while the network converged, when A forwarded traffic to B but B forwards it back to A. Which technology is the simplest solution to avoid microloops without enabling a new protocol in the network?

A : Fast ReRoute

B : Loop-Free Alternate

C : mote Loop-Free Alternate

Answer: C

Question 3

A green data center is being deployed and a design requirement is to be able to readily scale server virtualization Which IETF standard technology can provide this requirement?

A : ta center bridging

B : ified fabric

C : ansparent Interconnection of Lots of Links

D : bric path

Answer: C

Question 4

A customer migrates from a traditional Layer 2 data center network into a new SDN-based, spine-and-leaf VXLAN EVPN data center within the same location. The networks are joined to enable host migration at Layer 2. What is the final migration step, after hosts have physically migrated, to have traffic flowing through the new network without changing any host configuration?

A : Increase VRRP priorities on new infrastructure over legacy VRRP values, then shut down legacy SVIs.

B : Shut down legacy Layer 3 SVIs and activate new preconfigured Layer 3 SVIs on VXLAN.

C : Shut down legacy infrastructure to allow VXLAN gateways to become active.

D :

Shut down legacy Layer 3 SVIs, clear ARP caches on all hosts being migrated, and then configure the legacy VRRP address onto new VXLAN core switches.

Answer: B

Question 5

A business requirement is supplied to an architect from a car manufacturer stating their business model is changing to just-in-time manufacturing and a new network is required, the manufacturer does not produce all of the specific components in-house, which area should the architect focus on initially?

A : Modularity

B : Zero Trust Networking

C : Automation

D : Low Latency Infrastructure

Answer: C

Name:	Cisco Certified Design Expert CCDE v3.0
Exam Code:	400-007
Certification:	CCDE
Vendor:	Cisco
Total Questions:	516
Last Updated:	Sep 26, 2024

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