Cisco 400-007 New Real Exam & 400-007 Exam Success

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Cisco Certified Design Expert (CCDE) is one of the most sought-after certifications in the IT industry. It is a highly specialized certification that validates the skills of network design professionals. The Cisco 400-007 exam is the written portion of the CCDE v3.0 certification. 400-007 exam tests candidates on their ability to design complex networks and provide solutions to real-world problems.

Cisco 400-007 Exam covers a wide range of topics related to network design, including design methodologies, network infrastructure, routing and switching protocols, security, and network management. 400-007 exam consists of multiple-choice and scenario-based questions, and candidates are required to demonstrate their ability to analyze and solve complex network design problems.

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Cisco 400-007 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Network Design: This section is designed for a Senior Network Designer and assesses the ability to create resilient, scalable, and secure modular networks in both traditional and software-defined environments. It emphasises the translation of technical, operational, and business constraints into robust implementation and migration strategies that accommodate application behaviour and organisational requirements.
Topic 2
  • Security Design: This part of the exam measures the expertise of a Network Security Architect and covers the integration of security within network design. It includes segmentation, access control, visibility, policy enforcement, and application of the CIA triad within modular architectures. Professionals must also understand how to align security with regulatory requirements relevant to network governance.
Topic 3
  • Control Data, Management, Operational Design: Targeting the Network Automation Specialist, this domain covers end to end IP traffic flow across rich environments, involving the separation of data, control, and management planes. Candidates must demonstrate knowledge of centralized, decentralized, and hybrid control models, and explain how automation and orchestration, including API integration, model-driven management, and CI
  • CD evolution, support controller-based and software-defined architectures such as SD WAN and network fabric implementations.
Topic 4
  • Business Strategy and Design: This section of the exam measures skills of a Network Architect, focusing on how business strategy drives network design and optimisation. Candidates are expected to understand the impact of project methodologies such as waterfall and agile, and how considerations like business continuity, RPO, ROI, CAPEX
  • OPEX and risk
  • reward influence technical decisions in solution design.
Topic 5
  • Service Design: This domain, aimed at a Cloud Network Engineer, examines how modular network design supports diverse IP-based applications including voice, video, replication, IoT, and storage. Candidates must consider operational resilience, cloud
  • hybrid connectivity, data governance needs (sovereignty, compliance), and service placement models like SaaS, PaaS, IaaS, direct connects, and WAN integration under regulatory constraints.

Cisco Certified Design Expert (CCDE) Written Exam Sample Questions (Q159-Q164):

NEW QUESTION # 159
Retef to the exhibit.

An engineer is designing a multiarea OSPF network for a client who also has a large EIGRP domain EIGRP routes are getting redistributed into OSPF ,OSPF area 20 has routers with limited memory and CPU resources The engineer wants to block routes from EIGRP 111 from propagating into area 20 and allow EIGRP 222 routes to How in Which OSPF area type fulfills this design requirement?

Answer: B


NEW QUESTION # 160
Refer to the exhibit.

A customer runs OSPF with Area 5 between its aggregation router and an internal router When a network change occurs in the backbone. Area 5 starts having connectivity issues due to the SPF algorithm recalculating an abnormal number of times in Area 5 You are tasked to redesign this network to increase resiliency on the customer network with the caveat that Router B does not support the stub area How can you accomplish this task*?

Answer: D


NEW QUESTION # 161
Which design benefit of PortFast is true?

Answer: F

Explanation:
PortFast is a feature that allows access ports to enter the STP forwarding state immediately, without waiting for the usual listening and learning states. This accelerates the connection of end devices like PCs or servers.
A key design benefit is that PortFastdoes not trigger topology changeswhen devices are plugged in or disconnected. This prevents unnecessary STP recalculations and protects core stability.
* Correct Statement (A):STP does not consider link transitions on PortFast-enabled ports as topology changes, reducing control-plane overhead.
Other options misrepresent the function of PortFast:
* B:PortFast does not disable STP; it bypasses specific STP states.
* C/D/E/F:These describe other features like Loop Guard or UDLD, not PortFast.


NEW QUESTION # 162
Which three items do you recommend for control plane hardening of an infrastructure device?
(Choose three.)

Answer: A,C,E


NEW QUESTION # 163
Two enterprise networks must be connected together. Both networks are using the same private IP addresses.
The client requests from both sides should be translated using hide NAT (dynamic NAT) with the overload feature to save IF addresses from the NAT pools. Which design addresses this requirement using only one Cisco I OS NAT router for both directions?

Answer: C


NEW QUESTION # 164
......

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