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

Question # 84

Refer to the table.

A customer investigates connectivity options for a DCI between two production data centers. The solution must provide dual 10G connections between locations with no single points of failure for Day 1 operations. It must also include an option to scale for up to 20 resilient connections in the second year to accommodate isolated SAN over IP and isolated, dedicated replication IP circuits. All connectivity methods are duplex 10 Gbps. Which transport technology costs the least over two years, in the scenario?

Options:

A.

Metro Ethernet

B.

DWDM

C.

CWDM

D.

MPLS

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Question # 85

Company XYZ has implemented policy-based routing in their network. Which potential problem must be kept in mind about network reconvergence and PBR?

Options:

A.

It can limit network scalability

B.

It can create microloops during reconvergence

C.

It increases convergence time.

D.

It reduces convergence time.

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Question # 86

An IT service provider is upgrading network infrastructure to comply with PCI security standards. The network team finds that 802.1X and VPN authentication based on locally-significant certificates are not available on some legacy phones.

Which workaround solution meets the requirement?

Options:

A.

Replace legacy phones with new phones because the legacy phones will lose trust if the certificate is renewed.

B.

Enable phone VPN authentication based on end-user username and password.

C.

Temporarily allow fallback to TLS 1.0 when using certificates and then upgrade the software on legacy phones.

D.

Use authentication-based clear text password with no EAP-MD5 on the legacy phones.

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Question # 87

Which actions are performed at the distribution layer of the three-layer hierarchical network design model? (Choose two)

Options:

A.

Fast transport

B.

Reliability

C.

QoS classification and marking boundary

D.

Fault isolation

E.

Redundancy and load balancing

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Question # 88

Network changes because of mergers, acquisitions, and divestment can be very disruptive to the network if not carried out carefully. When an organization sells parts of its business, it must detach the affected parts of the network from the rest of the network. Which network design approach is appropriate to minimize the impact and risks as the divested parts of the network are detached?

Options:

A.

redundant design

B.

modular design

C.

less complex design

D.

routed access design

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Question # 89

Agile and Waterfall are two popular methods for organizing projects. What describes any Agile network design development process?

Options:

A.

working design over comprehensive documentation

B.

contract negotiation over customer collaboration

C.

following a plan over responding to change

D.

processes and tools over individuals and interactions over time

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Question # 90

An enterprise wants to migrate an on-premises network to a cloud network, and the design team is finalizing the overall migration process. Drag and drop the options from the left into the correct order on the right.

Options:

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Question # 91

Your company utilizes many different types of network transports and you want to increase the efficiency of the network Which solution can be used to improve network efficiency over PPPoE IPsec, and GRE networks'?

Options:

A.

PMTUD

B.

OATM

C.

IRDP

D.

Host Discovery Protocol

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Question # 92

A Service Provider is designing a solution for a managed CE service to a number of local customers using a single CE platform and wants to have logical separation on the CE platform using Virtual Routing and Forwarding (VRF) based on IP address ranges or packet length. Which is the most scalable solution to provide this type of VRF Selection process on the CE edge device?

Options:

A.

Static Routes for Route Leaking

B.

Policy Based Routing

C.

OSPF per VRF Instance

D.

Multi-Protocol BGP

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Question # 93

Refer to the exhibit A service provider has a requirement to use Ethernet OAM to detect end-to-end connectivity failures between SP-SW1 and SP- SW2 Which two ways to design this solution are true? (Choose two)

Options:

A.

Enable unicast heartbeat messages to be periodically exchanged between MEPs

B.

Enable Connectivity Fault Management on the SP switches

C.

Use upward maintenance endpoints on the SP switches

D.

Forward E-LMI PDUs over VPLS

E.

Forward LLD PDUs over the VPLS

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Exam Code: 400-007
Exam Name: Cisco Certified Design Expert (CCDE v3.1)
Last Update: Apr 1, 2025
Questions: 381
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