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Cisco 400-007 Exam Syllabus Topics:

SectionWeightObjectives
Business Strategy Design15%- Evaluate project management methodologies impact
  • 1. Agile framework and iterative lifecycle alignment
  • 2. Waterfall framework implementation constraints
- Assess business goals and drivers
  • 1. Analyze company financial metrics and drivers like CAPEX, OPEX, and ROI
  • 2. Evaluate risk management and business continuity strategies
  • 3. Determine regulatory and compliance constraints
Security Design15%- 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. Enterprise cryptography architectures and VPN frameworks
  • 2. Firewall and Intrusion Prevention System deployment modes
Control, Data, Management Plane and Operational Design25%- 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
Network Design30%- 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
- Design resilient and scalable campus architectures
  • 1. Layer 2 and Layer 3 boundary definitions
  • 2. High availability techniques and fast convergence mechanisms
Service Design15%- 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. Infrastructure as Code tool adoption
  • 2. Data parsing structures using JSON and XML formats

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Cisco Certified Design Expert (CCDE) Written Exam Sample Questions (Q38-Q43):

NEW QUESTION # 38
Company XYZ is running a redundant private WAN network using OSPF as the underlay protocol. The current design accommodates for redundancy in the network, but it is taking over 30 seconds for the network to reconverge upon failure. Which technique can be implemented in the design to detect such a failure in a subsecond?

Answer: C

Explanation:
* BFD (Bidirectional Forwarding Detection) provides rapid failure detection independent of OSPF's native hello/dead timers.
* BFD operates at subsecond intervals (as low as 50ms), detecting link failures almost immediately, allowing OSPF to react instantly upon failure detection.
* BFD complements OSPF and significantly improves convergence time without compromising OSPF's stability.
Why other options are incorrect:
* A: STP is irrelevant for Layer 3 routing failures.
* B: Fate sharing describes failure domains, not detection mechanisms.
* C: OSPF LFA provides fast reroute after failure detection but doesn't accelerate detection itself.
* E: Flex links are used in Layer 2 switching, not for OSPF-based WAN failover.


NEW QUESTION # 39
Refer to the exhibit. As part of a redesign project, you must predict multicast behavior.
What happens to the multicast traffic received on the shared tree (*,G), if it is received on the LHR interface indicated*?

Answer: C


NEW QUESTION # 40
Which role within the Scrum framework is primarily responsible for authoring user stories, maintaining and prioritizing the product backlog, and serving as the direct representative of the customer's needs to the developers?

Answer: D

Explanation:
# Explanation:
A: The Product Owner is responsible for defining user stories, maintaining the product backlog, and representing the customer ' s voice to the development team.
B: Product Manager may define broader strategy but doesn't manage the backlog directly.
C: Scrum Master ensures the process is followed but doesn't interface with the business side.
D: Program Manager oversees multiple projects; not Scrum-specific.
#


NEW QUESTION # 41
Refer to the exhibit. Company XYZ must design a DMVPN tunnel between the three sites.
Chicago is going to act as the NHS and the company wants DMVPN to detect peer endpoint failures. Which technology should be used in the design?

Answer: C


NEW QUESTION # 42
Network operators have many options available, from fully centralized to fully distributed control planes, and each approach has its own set of characteristics. Drag and drop the characteristics from the left onto the corresponding approach on the right.

Answer:

Explanation:


NEW QUESTION # 43
......

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