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400-007 Exam Dumps - Cisco CCDE v3.0 Questions and Answers

Question # 24

Refer to the exhibit A customer network design team is planning a migration from a legacy TDM-based L2VPN to an MPLS-based L3VPN Migration is planned in a phased approach:

•OSPF backbone Link between HUB A and HUB B sites to be migrated to eBGP

•Spoke A2 and Spoke B1 will be migrated to the L3VPN

Which solution design can be considered to avoid routing loops during backbone link migration?

Options:

A.

Enable route-filtering on OSPF backbone routers for spoke traffic

B.

Advertise low AD value for transit traffic on hub sites.

C.

OSPF backbone area advertises summarized routes to hub.

D.

Redistribute EIGRP 200 and 300 with low cost into BGP

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Question # 25

What best describes the difference between Automation and Orchestration?

Options:

A.

Automation refers to an automatic process for completing a single task and Orchestration refers to assembling and coordinating a set of tasks and conditions.

B.

Automation describes a hands-off configuration process while Orchestration refers to sets of automation tasks that require the network administrator to coordinate

C.

Automation refers to an automatic process for completing multiple tasks with conditions and Orchestration refers to executing tasks in parallel.

D.

Automation refers to scripting languages (Python. Ansible etc.) and Orchestration refers to commercial products that control configuration deployment

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Question # 26

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 m-house. which area should the architect focus on initially?

Options:

A.

Automation

B.

Zero Trust Networking

C.

Low Latency Infrastructure

D.

Modularity

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Question # 27

VPLS is implemented in a Layer 2 network with 2000 VLANs. What is the primary concern to ensure successful deployment of VPLS?

Options:

A.

Flooding is necessary to propagate MAC address reachability information

B.

PE scalability

C.

The underlying transport mechanism

D.

VLAN scalability

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Question # 28

What advantage of placing the IS-IS layer 2 flooding domain boundary at the core Layer in a three-layer hierarchical network is true?

Options:

A.

The Layer 1 and Layer 2 domains can easily overlap

B.

It reduces the complexity of the Layer 1 domains

C.

It can be applied to any kind of topology

D.

The Layer 2 domain is contained and more stable

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Question # 29

An enterprise organization currently provides WAN connectivity to their branch sites using MPLS technology, and the enterprise network team is considering rolling out SD-WAN services for all sites.

With regards to the deployment planning, drag and drop the actions from the left onto the corresponding steps on the right.

Options:

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Question # 30

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?

Options:

A.

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

B.

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

C.

Shut down legacy infrastructure to allow VXLAN gateways to become active

D.

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

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Question # 31

In an OSPF network with routers connected together with Ethernet cabling, which topology typically takes the longest to converge?

Options:

A.

partial mesh

B.

full mesh

C.

ring

D.

squared

E.

triangulated

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Question # 32

What are two primary design constraints when a robust infrastructure solution is created? (Choose two.)

Options:

A.

monitoring capabilities

B.

project time frame

C.

staff experience

D.

component availability

E.

total cost

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Question # 33

Which three components are part of the foundational information security principles of the CIA triad? (Choose three.)

Options:

A.

cryptography

B.

confidentiality

C.

authorization

D.

identification

E.

integrity

F.

availability

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Exam Code: 400-007
Exam Name: Cisco Certified Design Expert (CCDE v3.1)
Last Update: Jun 15, 2025
Questions: 396
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