400-007 Actual Braindumps | Exam 400-007 Objectives

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Cisco 400-007 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Service Design15%- Incorporate automation and network programmability
  • 1. Infrastructure as Code tool adoption
  • 2. Data parsing structures using JSON and XML formats
- 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
Topic 2: Control, Data, Management Plane and Operational Design25%- Design control plane routing architectures
  • 1. IPv4 and IPv6 dual-stack infrastructure transitions
  • 2. Unicast routing protocols including OSPF, EIGRP, IS-IS, and BGP
  • 3. Multicast routing designs and protocol options
- Design data plane transport and management plane strategies
  • 1. End-to-end Quality of Service policies
  • 2. Network visibility, telemetry, and logging infrastructures
Topic 3: Network Design30%- Design resilient and scalable campus architectures
  • 1. High availability techniques and fast convergence mechanisms
  • 2. Layer 2 and Layer 3 boundary definitions
- Design Service Provider and Enterprise WAN architectures
  • 1. WAN transport technologies including MPLS, Layer 3 VPN, and Metro Ethernet
  • 2. Software-Defined WAN design implementations
  • 3. Data center interconnect solutions
Topic 4: Security Design15%- Design secure infrastructure controls
  • 1. Layer 2 and Layer 3 security defense mechanisms
  • 2. Network virtualization security and microsegmentation
- Design secure perimeter and edge boundaries
  • 1. Firewall and Intrusion Prevention System deployment modes
  • 2. Enterprise cryptography architectures and VPN frameworks
Topic 5: Business Strategy Design15%- Assess business goals and drivers
  • 1. Evaluate risk management and business continuity strategies
  • 2. Determine regulatory and compliance constraints
  • 3. Analyze company financial metrics and drivers like CAPEX, OPEX, and ROI
- Evaluate project management methodologies impact
  • 1. Waterfall framework implementation constraints
  • 2. Agile framework and iterative lifecycle alignment

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Cisco Certified Design Expert (CCDE) Written Exam Sample Questions (Q168-Q173):

NEW QUESTION # 168
The Company XYZ network requires OSPF dead neighbor detection in a subsecond manner. However, the company network does not support BFD. Which other feature can be used to fulfill the design requirement?

Answer: B

Explanation:
When Bidirectional Forwarding Detection (BFD) is not available, OSPF can still achieve subsecond convergence using the OSPF fast hello feature.
* Fast hello allows the configuration of OSPF hello/dead intervals to subsecond values (e.g., hello =
100ms, dead = 300ms).
* This accelerates OSPF's ability to detect neighbor failures based on missed hello packets without relying on external mechanisms like BFD.
Why other options are incorrect:
* A. STP (Spanning Tree Protocol) is unrelated to OSPF and is used at Layer 2.
* C. LFA (Loop-Free Alternate) is a fast reroute technique but does not affect neighbor failure detection.
* D. DPD (Dead Peer Detection) is used in VPN technologies (e.g., IPsec) and not applicable in OSPF.
Fast hello is fully aligned with CCDE v3.1 under "Protocol Design Implications" and is a commonly recommended method for improving IGP convergence performance when BFD is not an option.


NEW QUESTION # 169
Agile and Waterfall are two popular methods for organizing projects. What describes any Agile network design development process?

Answer: C

Explanation:
* A (Working design over documentation):Agile prioritizes functional working solutions over exhaustive documentation, allowing continuous delivery and adaptability during the project lifecycle.
Other options explained:
* B: Agile favors customer collaboration over contract negotiation.
* C: Agile favors responding to change over rigid planning.
* D: Agile favors individuals and interactions over processes and tools.


NEW QUESTION # 170
What is an advantage of using Agile over waterfall methodology in the network design lifecycle?

Answer: D

Explanation:
Agile uses short, iterative cycles and continuous feedback so design issues are found and corrected early, reducing overall risk compared to a big-bang Waterfall approach.
Waterfall tends to have higher risk because mistakes are discovered late, after large design and implementation phases.


NEW QUESTION # 171
Which two benefits can software-defined networks provide to businesses? (Choose two.)

Answer: B,F


NEW QUESTION # 172
A company created an IPv6 adoption plan for its campus network that requires dual-stack connectivity on the network Campus users must have IPv6 connectivity to an HR management application which is the first IPv6-only application hosted in the company s data center. Which two security mechanisms can be used to prevent a malicious user from masquerading as the IPv6 gateway? (Choose two)

Answer: C,D


NEW QUESTION # 173
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