Valid 400-007 Test Discount, 400-007 Associate Level Exam

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Cisco 400-007 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Control, Data, Management Plane and Operational Design	25%	- Design control plane routing architectures 1. Multicast routing designs and protocol options 2. Unicast routing protocols including OSPF, EIGRP, IS-IS, and BGP 3. IPv4 and IPv6 dual-stack infrastructure transitions - Design data plane transport and management plane strategies 1. Network visibility, telemetry, and logging infrastructures 2. End-to-end Quality of Service policies
Topic 2: Network Design	30%	- Design Service Provider and Enterprise WAN architectures 1. Data center interconnect solutions 2. Software-Defined WAN design implementations 3. WAN transport technologies including MPLS, Layer 3 VPN, and Metro Ethernet - Design resilient and scalable campus architectures 1. Layer 2 and Layer 3 boundary definitions 2. High availability techniques and fast convergence mechanisms
Topic 3: Security Design	15%	- Design secure infrastructure controls 1. Network virtualization security and microsegmentation 2. Layer 2 and Layer 3 security defense mechanisms - Design secure perimeter and edge boundaries 1. Firewall and Intrusion Prevention System deployment modes 2. Enterprise cryptography architectures and VPN frameworks
Topic 4: Service Design	15%	- Design infrastructure and network virtualization 1. MPLS architecture implementations such as LDP and Segment Routing 2. Cloud integration models including hybrid and multi-cloud environments - Incorporate automation and network programmability 1. Data parsing structures using JSON and XML formats 2. Infrastructure as Code tool adoption
Topic 5: Business Strategy Design	15%	- Assess business goals and drivers 1. Evaluate risk management and business continuity strategies 2. Analyze company financial metrics and drivers like CAPEX, OPEX, and ROI 3. Determine regulatory and compliance constraints - Evaluate project management methodologies impact 1. Waterfall framework implementation constraints 2. Agile framework and iterative lifecycle alignment

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400-007 Associate Level Exam & Latest 400-007 Study Guide

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Cisco Certified Design Expert (CCDE) Written Exam Sample Questions (Q377-Q382):

NEW QUESTION # 377

Refer to the exhibit A customer network design team is planning a migration from a legacy TDM-based L2VPN to an MPLS-based L3VPN Migration is planned in a phased approach:
*OSPF backbone Link between HUB A and HUB B sites to be migrated to eBGP
*Spoke A2 and Spoke B1 will be migrated to the L3VPN
Which solution design can be considered to avoid routing loops during backbone link migration?

A. Advertise low AD value for transit traffic on hub sites.
B. Redistribute EIGRP 200 and 300 with low cost into BGP
C. OSPF backbone area advertises summarized routes to hub.
D. Enable route-filtering on OSPF backbone routers for spoke traffic

Answer: C

NEW QUESTION # 378
Which two aspects are considered when designing a dual hub dual DMVPN cloud topology? (Choose two.)

A. hub sites must connect to both DMVPN clouds
B. will only work with single-tier headend architecture
C. spoke-to-spoke traffic will transit the hub unless spokes exchange dynamic routing directly
D. recommended for high availability
E. requires all sites to have dual Internet connections

Answer: A,D

Explanation:
* B: In dual cloud DMVPN designs, hubs typically terminate both clouds to provide full resiliency.
* C: The design improves high availability and redundancy in case one DMVPN cloud fails.
Why other options are incorrect:
* A: Multi-tier (multi-hub) architectures are supported.
* D: Spoke-to-spoke communication can be direct via NHRP once the overlay is established; it doesn't have to always transit hubs.
* E: Dual Internet connections are not strictly required for dual cloud DMVPN - dual tunnels can be built even with a single Internet connection.

NEW QUESTION # 379
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?

A. Increase the bandwidth on the connection between Router A and Router B
B. Create a virtual link to Area 0 from Router B to the ABR
C. Turn on LSA throttling on all devices in Area 5
D. Set Area 5 to stubby at the ABR anyway
E. Implement LSA filtering on the ABR, allowing summary routes and preventing more specific routes into Area 5

Answer: E

Explanation:
The core issue is excessive SPF recalculations in Area 5 caused by too many specific LSAs being flooded into the area. The most effective solution is to use LSA filtering and summarization on the ABR to limit the number of detailed LSAs advertised into Area 5. This reduces SPF computation load while improving stability without requiring changes on Router B (which cannot support stub area).
Why other options are incorrect:
* A: Bandwidth increase does not prevent SPF recalculations.
* C: Virtual links wouldn't change LSA flooding into Area 5.
* D: LSA throttling limits frequency but not volume of recalculations.
* E: Stub area configuration requires support from all routers in the area, which Router B does not provide.
-

NEW QUESTION # 380
Which two descriptions of CWDM are true? (Choose two)

A. Typically used over long distances, but requires optical amplification
B. Shares the same transmission window as DWDM
C. Uses the 850nm band
D. Passive CWDM devices require no electrical power
E. Allows up to 32 optical carriers to be multiplexed onto a single fiber

Answer: B,D

Explanation:
* D: CWDM (Coarse Wavelength Division Multiplexing) shares parts of the same optical transmission window (1260-1625 nm) as DWDM but uses wider spacing between channels (typically 20 nm apart).
* E: CWDM typically uses passive devices (multiplexers and demultiplexers) that require no electrical power, making deployment cost-effective.
Incorrect Options:
* A: CWDM is better suited for shorter distances (up to ~80 km) and doesn't typically use optical amplifiers (EDFA). DWDM is better for long-haul with amplification.
* B: 850 nm is used in multimode fiber systems (not CWDM).
* C: CWDM supports up to 18 channels; DWDM supports up to 32 or more.

NEW QUESTION # 381
Drag and drop the high-level descriptions of network automation and network orchestration on the left to the corresponding category on the right in no particular order.

Answer:

Explanation:

NEW QUESTION # 382
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