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

Question # 34

Refer to the exhibit.

Company XYZ must design a DMVPN tunnel between the three sites Chicago is going to act as the NHS and the company wants DMVPN to detect peer endpoint failures Which technology should be used m the design?

Options:

A.

VPLS

B.

IP SLA

C.

GRE

D.

L2TPv3

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Question # 35

Which component of the SDN architecture automatically ensures that application traffic is routed according to policies established by network administrators?

Options:

A.

packet forwarding engine

B.

northbound API

C.

southbound API

D.

SDN controller

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Question # 36

A key to maintaining a highly available network is building in the appropriate redundancy to protect against failure. This redundancy is carefully balanced with the inherent complexity of redundant systems. Which design consideration is relevant for enterprise WAN use cases when it comes to resiliency?

Options:

A.

Design in a way that expects outages and attacks on the network and its protected resources

B.

The design approach should consider simple and centralized management aspect

C.

Design in a way that it simplifies and improves ease of deployment

D.

Design automation tools wherever it is appropriate for greater visibility

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Question # 37

A thorough examination of the curant network infrastructure has revealed that several devices have an unusual high CPU load A traffic analysis indicates that control plane protocols and management traffic are affected as the devices are busy processing inbound traffic The networking team is working on updating their design for the entre network to handle situations like this Which feature or technology can be added to help mitigate the problem?

Options:

A.

control plane policing

B.

deep uterface buffers

C.

TCAM carving

D.

modular QoS

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Question # 38

Router R1 is a BGP speaker with one peering neighbor over link "A". When the R1 link/interface "A" fails, routing announcements are terminated, which results in the tearing down of the state for all BGP routes at each end of the link. What is this a good example of?

Options:

A.

fault isolation

B.

resiliency

C.

redundancy

D.

fate sharing

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Question # 39

What is an architectural framework created by ETSI that defines standards to decouple network functions from proprietary hardware-based appliances and have them run in software on standard x86 servers?

Options:

A.

NPIV

B.

NFVIS

C.

NFV

D.

VNF

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Question # 40

Company XYZ is running SNMPv1 in their network and understands that it has some flaws. They want to change the security design to implement SNMPv3 in the network Which network threat is SNMPv3 effective against?

Options:

A.

man-in-the-middle attack

B.

masquerade threats

C.

DDoS attack

D.

brute force dictionary attack

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Question # 41

You are designing a large-scale DMVPN network with more than 500 spokes using EIGRP as the IGP protocol Which design option eliminates potential tunnel down events on the spoke routers due to the holding time expiration?

Options:

A.

Increase the hold queue on the physical interface of the hub router.

B.

Increase the hold queue on the tunnel interface of the spoke routers

C.

Increase the hold queue on the tunnel interface of the hub router

D.

Apply QoS for pak_priority class

E.

Increase the hold queue on the physical interface of the spoke routers.

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Question # 42

With virtualization being applied in many parts of the network every physical link is likely to carry one or more virtual links, but what is a drawback in cases like this?

Options:

A.

unneeded tunneling

B.

fate sharing

C.

bandwidth utilization

D.

serialization delay

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Question # 43

Which feature is supported by NETCONF but is not supported by SNMP?

Options:

A.

distinguishing between configuration data and operational data

B.

taking administrative actions

C.

collecting the status of specific fields

D.

changing the configuration of specific fields

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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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