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| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Cisco Certified Design Expert (CCDE) Written Exam v3.1 |
| Exam Number: | 400-007 |
| Related Certifications: | CCDE Practical Exam Cisco Certified Specialist - Design Core |
| Exam Duration: | 120 minutes |
| Exam Price: | $450 USD |
| Real Exam Qty: | 90-110 |
| Certificate Validity Period: | 3 years |
| Exam Format: | Multiple Response, Multiple Choice |
| Passing Score: | 800 out of 1000 |
| Available Languages: | English |
| Recommended Training: | CCDE Official Training and Resources |
| Exam Registration: | Cisco Official Exam Registration |
| Sample Questions: | Cisco 400-007 Sample Questions |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | No mandatory prerequisites; 7+ years of network design experience recommended |
| Official Syllabus URL: | https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/400-007-ccde.html |
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Passing the Cisco 400-007 exam is a crucial step towards obtaining the CCDE certification. The CCDE certification is recognized worldwide as a symbol of excellence in network design, and it can open up many career opportunities for individuals in the IT industry. Cisco Certified Design Expert (CCDE) Written Exam certification is particularly valuable for professionals who work in large enterprise environments or for those who provide consulting services to clients. Overall, the Cisco 400-007 Exam is a challenging but rewarding certification exam that can help individuals take their career to new heights in the field of network design.
NEW QUESTION # 472
Which two mechanisms avoid suboptimal routing in a network with dynamic mutual redistribution between multiple OSPFv2 and EIGRP boundaries? (Choose two.)
Answer: D,E
Explanation:
Mutual redistribution between different routing protocols can cause routing loops and suboptimal routing due to:
* Route feedback loops (routes being re-imported back into the originating protocol).
* Inconsistent administrative distances (AD) leading to selection of suboptimal paths.
Two key mechanisms avoid these issues:
* A. Administrative Distance (AD) manipulation: Ensures that one protocol is consistently preferred over the other when duplicate routes exist.
* C. Route tagging: Assigns tags to redistributed routes to identify the source of the route and prevent re- importation (looping) into the originating protocol.
These methods align with CCDE v3.1 principles for multi-protocol control plane design and stability.
Why other options are incorrect:
* B & F: Matching routes or process IDs do not directly prevent loops or suboptimal routing.
* D is a duplicate of C.
* E: Filtering helps but is reactive, not a comprehensive prevention mechanism.
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NEW QUESTION # 473
A centralized control plane generally means one or more controllers gather the reachability and topology information from each switching device and calculate some part of the forwarding information at some place.
How can a centralized control plane be defined or described?
Answer: C
NEW QUESTION # 474
An MPLS service provider is offering a standard EoMPLS-based VPLS service to Customer A.
providing Layer 2 connectivity between a central site and approximately 100 remote sites.
Customer A wants to use the VPLS network to carry its internal multicast video feeds which are sourced at the central site and consist of 20 groups at Mbps each. Which service provider recommendation offers the most scalability?
Answer: C
NEW QUESTION # 475
An architect receives a business requirement from a CTO that states the RTO and RPO for a new system should be as close as possible to zero. Which replication method and data center technology should be used?
Answer: A
Explanation:
C (Synchronous replication over Metro Ethernet) provides real-time replication with zero data loss (RPO = 0) and minimal recovery time (RTO # 0).
Metro Ethernet offers low-latency, high-bandwidth, and deterministic connectivity between closely located data centers, ideal for synchronous replication.
Why other options are incorrect:
A and D: Asynchronous replication cannot guarantee zero RPO/RTO.
B: MPLS introduces variable latency unsuitable for synchronous replication.
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NEW QUESTION # 476
[Business-Driven Design Approaches / Recovery Planning] For a company providing online billing systems, which strategy keeps RPO (Recovery Point Objective) as low as possible?
Answer: B
Explanation:
#Explanation:
* A: Cloud-based data mirroring offers near-real-time replication, keeping RPO near zero. This is essential for billing systems where even a small amount of data loss could be critical.
* B and D: Manual or local backups don't offer low RPO unless continuously synced.
* C: Snapshots are periodic and inherently result in a higher RPO due to the gap between intervals.
NEW QUESTION # 477
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