400-007 Flexible Testing Engine - Free 400-007 Test Questions

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Cisco 400-007 Exam Syllabus Topics:

Section	Weight	Objectives
Service Design	15%	- Design infrastructure and network virtualization 1. Cloud integration models including hybrid and multi-cloud environments 2. MPLS architecture implementations such as LDP and Segment Routing - Incorporate automation and network programmability 1. Data parsing structures using JSON and XML formats 2. Infrastructure as Code tool adoption
Network Design	30%	- Design Service Provider and Enterprise WAN architectures 1. Software-Defined WAN design implementations 2. Data center interconnect solutions 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
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
Business Strategy Design	15%	- Evaluate project management methodologies impact 1. Waterfall framework implementation constraints 2. Agile framework and iterative lifecycle alignment - Assess business goals and drivers 1. Analyze company financial metrics and drivers like CAPEX, OPEX, and ROI 2. Determine regulatory and compliance constraints 3. Evaluate risk management and business continuity strategies
Control, Data, Management Plane and Operational Design	25%	- Design control plane routing architectures 1. Multicast routing designs and protocol options 2. IPv4 and IPv6 dual-stack infrastructure transitions 3. Unicast routing protocols including OSPF, EIGRP, IS-IS, and BGP - Design data plane transport and management plane strategies 1. Network visibility, telemetry, and logging infrastructures 2. End-to-end Quality of Service policies

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Cisco Certified Design Expert (CCDE) Written Exam Sample Questions (Q483-Q488):

NEW QUESTION # 483
Refer to the exhibit.

Refer to the exhibit A service provider has a requirement to use Ethernet OAM to detect end-to-end connectivity failures between SP-SW1 and SP- SW2 Which two ways to design this solution are true? (Choose two)

A. Enable unicast heartbeat messages to be periodically exchanged between MEPs
B. Forward E-LMI PDUs over VPLS
C. Use upward maintenance endpoints on the SP switches
D. Forward LLD PDUs over the VPLS
E. Enable Connectivity Fault Management on the SP switches

Answer: C,E

NEW QUESTION # 484
What are two reasons for a company to prefer a hybrid approach rather than a mixed approach while transitioning to a software-defined network? (Choose two.)

A. Hybrid approach allows box-by-box transition to spread out the costs
B. Mixed approach is more palatable to the small-size companies
C. Hybrid approach allows to deploy portions of the network without impacting performance
D. Mixed approach creates more complexity which makes troubleshooting more difficult
E. Hybrid approach is more palatable to the large-size companies

Answer: A,D

NEW QUESTION # 485
A business invests in SDN and develops its own SDN controller that, due to budget constraints, runs on a single controller. The controller actively places an exclusive lock on the configuration of the devices to ensure it is the only source of changes to the environment. What is the result if the controller fails?

A. All device configurations are in read-only mode until the controller is restored.
B. If a device fails, the configuration backup is unavailable.
C. The control plane is unavailable until the controller is restored.
D. Manual changes are only possible until the controller is restored.

Answer: C

Explanation:
* B (Control plane is unavailable):In centralized SDN models where the controller has full exclusive configuration authority (lock), controller failure results in loss of control-plane functionality. No new flows can be programmed, and dynamic traffic adjustments cannot occur until the controller is restored.
Other options explained:
* A: Devices typically continue forwarding existing flows but are not in read-only config mode.
* C: Backups may still be available independently.
* D: Manual changes are often restricted to preserve state consistency.

NEW QUESTION # 486
A small organization of 20 employees is looking to deliver a network design service for modernizing customer networks to support advanced solutions.
* Project scope and weekly progress should be visualized by the management.
* Always consider feedback and make changes accordingly during the project.
* Should consider flexibility to change scope at the point of time.
Which project methodology meets the requirements and have the least impact on the outcome?

A. Kanban
B. Six-Sigma
C. Scrum
D. LEAN

Answer: C

Explanation:
https://firebrand.training/uk/blog/scrum-vs-six-sigma-which-one-is-right-for-you

NEW QUESTION # 487
What is the most important operational driver in building a resilient and secure modular network design?

A. Increase time spent on developing new features
B. Dependencies on hardware or software that is difficult to scale
C. Minimize app downtime
D. Reduce the frequency of failures requiring human intervention

Answer: D

Explanation:
* The primary goal of resilient modular network design is to minimize the operational impact of failures by automating recovery and isolating fault domains.
* C: Reducing failures that require manual intervention improves availability, reduces downtime, and ensures stability even under fault conditions.
Why other options are incorrect:
* A: This is a limitation to avoid, not a design driver.
* B: Minimizing app downtime is an outcome, not the operational driver itself.
* D: Development time is not related to operational network resiliency.
-

NEW QUESTION # 488
......

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