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| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | CCDE Written Exam |
| Exam Number: | 400-007 |
| Exam Duration: | 120 minutes |
| Real Exam Qty: | 90–110 (approx.) |
| Certificate Validity Period: | 3 years |
| Related Certifications: | Cisco Certified Design Expert (CCDE) |
| Exam Price: | $400 USD (approx.) |
| Available Languages: | English |
| Exam Format: | Multiple choice, Multiple answer |
| Recommended Training: | Cisco CCDE Official Training Cisco Learning Network |
| Exam Registration: | Cisco Certification Portal CCDE Certification Overview |
| Sample Questions: | Cisco 400-007 Sample Questions |
| Exam Way: | Computer-based exam (online proctored or authorized testing center) |
| Pre Condition: | No formal prerequisite, but CCNP-level knowledge and extensive network design experience are strongly recommended. |
| Official Syllabus URL: | https://www.cisco.com/c/en/us/training-events/training-certifications/certifications/expert/ccde.html |
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Cisco 400-007 exam is a requirement for IT professionals seeking CCDE certification. Cisco Certified Design Expert (CCDE) Written Exam certification is designed to validate the skills and knowledge of IT professionals in the areas of network design, architecture, and implementation. Cisco Certified Design Expert (CCDE) Written Exam certification is highly regarded in the IT industry and is recognized as a symbol of excellence in network design. IT professionals who hold CCDE certification are highly sought after by employers and are often able to command higher salaries.
Cisco 400-007 certification exam is a prerequisite for the CCDE certification. To achieve the CCDE certification, candidates must pass both the written and practical exams. The CCDE certification is a prestigious and highly sought-after certification, which can open up new career opportunities for networking professionals. Cisco Certified Design Expert (CCDE) Written Exam certification is recognized worldwide and is a testament to a candidate’s expertise in designing complex network solutions. By passing the Cisco 400-007 Certification Exam, candidates can demonstrate their commitment to their profession and their dedication to staying up-to-date with the latest networking technologies.
NEW QUESTION # 509
A company uses equipment from multiple vendors in a data center fabric to deliver SDN, enable maximum flexibility, and provide the best return on investment. Which YANG data model should be adopted for comprehensive features to simplify and streamline automation for the SDN fabric?
Answer: A
Explanation:
* B (OpenConfig):OpenConfig YANG models are vendor-neutral, community-driven standards designed to simplify multi-vendor network automation and interoperability - ideal for heterogeneous SDN fabrics.
Other options explained:
* A: Proprietary models limit flexibility and interoperability.
* C: Native models are vendor-specific.
* D: IETF YANG models exist but are not as comprehensive for full operational SDN automation as OpenConfig.
NEW QUESTION # 510
Which DCI technology utilizes a "flood and learn" technique to populate the Layer2 forwarding table?
Answer: B
NEW QUESTION # 511
A business wants to refresh its legacy Frame Relay WAN. It currently has product specialists in each of its 200 branches but plans to reduce and consolidate resources. The goal is to have product specialists available via video link when customers visit the nationwide branch offices. Which technology should be used to meet this objective?
Answer: C
NEW QUESTION # 512
A BGP route reflector in the network is taking longer than expected to converge during large network changes. Troubleshooting shows that the router cannot handle all the TCP acknowledgements during route updates. Which action can be performed to tune the device performance?
Answer: B
Explanation:
During massive BGP update events (such as after a topology change), a route reflector may struggle processing both BGP updates and the resulting TCP acknowledgments required for reliable BGP session communication.
Increasing the hold queue size allows the router to buffer more packets waiting for processing (including TCP acknowledgments), helping the router handle bursts of BGP updates without dropping TCP segments or tearing down sessions.
This queue tuning is a well-known scalability optimization in CCDE v3.1 when designing route reflector clusters handling large-scale control plane updates.
Why other options are incorrect:
* B & C: Adjusting buffer sizes does not directly address TCP acknowledgment backlog.
* D: Keepalive timers control session liveliness, not update processing.
-
NEW QUESTION # 513
Drag and drop the QoS technologies from the left onto the correct capabilities on the right
Answer:
Explanation:
NEW QUESTION # 514
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