100% Pass 2026 Cisco Perfect 400-007: Cisco Certified Design Expert (CCDE) Written Exam Test Question

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Cisco 400-007 Certification Exam is a rigorous exam that requires significant preparation. Candidates are expected to have a deep understanding of network design principles and experience in designing complex network solutions. Candidates are also expected to have a good understanding of the latest technologies and trends in the networking industry.

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Cisco Certified Design Expert (CCDE v3.0) Written Certification Exam, also known as the Cisco 400-007 Exam, is a challenging certification test designed to assess the skills and knowledge of experienced network designers. 400-007 exam is aimed at professionals who have a deep understanding of network design principles and can create complex network architectures to meet the requirements of large organizations. Passing the CCDE written exam is a significant achievement and demonstrates a high level of expertise in network design.

Cisco Certified Design Expert (CCDE) Written Exam Sample Questions (Q331-Q336):

NEW QUESTION # 331
Company XYZ wants to improve the security design of their network to include protection from reconnaissance and DoS attacks on their sub interfaces destined toward next hop routers.
Which technology can be used to prevent these types of attacks?

A. MPP
B. CPPr
C. DPP
D. CoPP

Answer: B

NEW QUESTION # 332
Which two actions ensure voice quality in a branch location with a low-speed, high-latency WAN connection?
(Choose two.)

A. Prioritize voice packets
B. Increase WAN bandwidth
C. Fragment data packets.
D. Replace any electrical links with optical links
E. Increase memory branch switch.

Answer: A,C

NEW QUESTION # 333
How must the queue sizes be designed to ensure that an application functions correctly?

A. The default queue sizes are good for any deployment as it compensates the serialization delay.
B. Each individual device queuing delay in the chain must be less than or equal to the application required delay.
C. The queuing delay on every device in the chain must be exactly the same to the application required delay.
D. The sum of the queuing delay of all devices plus serialization delay in the chain must be less than or equal to the application required delay.

Answer: D

NEW QUESTION # 334
An Agile for Infrastructure transition often means dismantling traditional IT hierarchies and rebuilding it to align with business objectives and workflows. Organizations are seeing the benefits of using automation tools in the network, such as faster, more efficient, more effective delivery of products and services. Which two components help increasing overall productivity and improve company culture? (Choose two.)

A. dedicated infrastructure
B. controlled infrastructure
C. Agile code practices
D. infrastructure-as-code
E. DevOps practices

Answer: D,E

Explanation:
Infrastructure-as-code (IaC) helps increase overall productivity by automating infrastructure provisioning and management, reducing manual tasks, and ensuring consistency across environments. This aligns with Agile principles and improves efficiency.
DevOps practices focus on collaboration between development and operations teams, automating workflows, and continuously improving the software delivery pipeline. This fosters a positive company culture by breaking down silos and increasing productivity.

NEW QUESTION # 335
Integrity is the assurance that information is trustworthy and accurate and the consistency, accuracy, and trustworthiness of data must be maintained over its entire lifecycle. What supports integrity?

A. version checks
B. biometric verification
C. air-gapped computers
D. two factor authentication

Answer: A

Explanation:
Version checks support integrity by ensuring that data has not been altered or corrupted during storage, transfer, or processing. This maintains consistency and trustworthiness across the data lifecycle.

NEW QUESTION # 336
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