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Cisco 400-007 certification exam is designed for those professionals who want to master the Cisco Certified Design Expert (CCDE v3.0) certification. The CCDE is an advanced-level certification, which is intended for experienced network design engineers, network architects, and other networking professionals. Cisco Certified Design Expert (CCDE) Written Exam certification is a validation of the candidate’s ability to design and deploy complex network solutions. It is a globally recognized and highly respected certification, which can help networking professionals take their careers to the next level.
Cisco 400-007 Exam is a written exam that consists of 90-110 multiple-choice and drag-and-drop questions. Candidates are given 120 minutes to complete the exam, which is administered by Pearson VUE. To take 400-007 exam, candidates must have a valid Cisco Certified Network Professional (CCNP) or Cisco Certified Internetwork Expert (CCIE) certification.
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Cisco Certified Design Expert (CCDE v3.0) Written certification exam, also known as the Cisco 400-007 Exam, is a professional-level certification offered by Cisco. Cisco Certified Design Expert (CCDE) Written Exam certification is designed to validate the skills and knowledge of networking professionals who are involved in the design, implementation, and maintenance of complex network infrastructures. The CCDE certification is intended for individuals who have a deep understanding of network design principles and are capable of designing and implementing large-scale networks that meet the requirements of modern organizations.
NEW QUESTION # 530
SDN emerged as a technology trend that attracted many industries to move from traditional networks to SDN. Which challenge is solved by SDN for cloud service providers?
Answer: A
NEW QUESTION # 531
An engineer is designing a DMVPN network where OSPF has been chosen as the routing protocol A spoke-to-spoke 'J<ita propagation model must be set up Which two design considerations must be taken into account? (Choose two )
Answer: B,C
NEW QUESTION # 532
Refer to the exhibit.
A company named XYZ needs to apply security policies for end-user browsing by installing a secure web proxy appliance. All the web traffic must be inspected by the appliance, and the remaining traffic must be inspected by an NGFW that has been upgraded with intrusion prevention system functionality. In which two ways must the routing be performed? (Choose two)
Answer: C,D
Explanation:
In this architecture:
A secure web proxy is introduced to inspect and filter all web (HTTP/HTTPS) traffic.
Remaining traffic (non-web) must pass through an NGFW with IPS capabilities.
Both the web proxy and NGFW reside between the collapsed distribution/core and internet edge.
To enforce that all web traffic is directed to the proxy appliance for inspection and non-web traffic follows its usual path to the NGFW:
A). Policy-Based Routing (PBR) on the Collapsed Core
This allows traffic classification based on destination port (e.g., TCP 80/443) and selectively reroutes web traffic to the proxy. Non-web traffic continues toward the NGFW. PBR is essential here because traditional routing (based only on destination IP) would not differentiate between traffic types.
D). Static Routing on the Appliance
The proxy appliance must return the traffic back toward the NGFW for final processing and internet egress.
This is typically achieved using static routes on the proxy device, ensuring the return path sends packets back to the correct firewall interface for consistent inspection.
# B. Policy-based routing on the internet edge: Not applicable here, as rerouting must occur closer to the source (collapsed core), before traffic reaches the internet edge.
# C. Policy-based routing on firewalls: This adds unnecessary complexity. Firewalls should focus on enforcing security policies, not traffic redirection logic in this scenario.
This approach adheres to CCDE v3.1 best practices by separating policy enforcement functions and enabling scalable, deterministic traffic flow through layered security appliances.
NEW QUESTION # 533
Refer to the exhibit.
The WAN network of the General Bank of Greece has experienced several outages. It takes too long to activate a new branch site. The networking department of the bank plans to upgrade the legacy end-of-life WAN network with a new flexible, manageable, and scalable in-house solution. The number of branches will increase exponentially in the next fiscal year. The CTO states that the bank's main goal is OPEX reduction.
The network engineering team prepares a table to evaluate the available options. Which WAN technology can be used for the solution?
Answer: C
Explanation:
The scenario prioritizes:
* In-house management (not managed services)
* Scalability (exponential branch growth)
* OPEX reduction (low operational cost)
SD-WAN over L3VPN offers a balance of:
* Mid-level ISP cost (leveraging L3VPN as transport)
* Centralized management and automation (ZTP, templates)
* Support for segmentation, application-aware routing, and path control
* Lower OPEX due to simplified configuration and monitoring
Managed SD-WAN has higher ISP and OPEX cost, and DMVPN is more manual and complex to scale. SD- WAN over L2VPN might reduce ISP cost but is less common and not optimal for rapid scalability.
NEW QUESTION # 534
Which two conditions must be met for EIGRP to maintain an alternate loop-free path to a remote network?
(Choose two.)
Answer: B,C
Explanation:
For EIGRP to maintain loop-free alternate paths, the feasibility condition must be met:
* A. The Reported Distance (RD) must be lower than the router's Feasible Distance (FD).
* E. A feasible successor must exist (i.e., an alternate next-hop satisfying the feasibility condition).
This design allows immediate failover without recomputation, ensuring fast convergence - a critical CCDE v3.1 protocol design principle.
Why other options are incorrect:
* B, C, D: Misstate the feasibility condition or confuse RD and FD relationships.
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NEW QUESTION # 535
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