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Cisco 400-007 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Network Design30%- Design Service Provider and Enterprise WAN architectures
  • 1. Data center interconnect solutions
  • 2. WAN transport technologies including MPLS, Layer 3 VPN, and Metro Ethernet
  • 3. Software-Defined WAN design implementations
- Design resilient and scalable campus architectures
  • 1. High availability techniques and fast convergence mechanisms
  • 2. Layer 2 and Layer 3 boundary definitions
Topic 2: Business Strategy Design15%- 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
- Evaluate project management methodologies impact
  • 1. Waterfall framework implementation constraints
  • 2. Agile framework and iterative lifecycle alignment
Topic 3: Service Design15%- Incorporate automation and network programmability
  • 1. Data parsing structures using JSON and XML formats
  • 2. Infrastructure as Code tool adoption
- 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 4: Security Design15%- Design secure perimeter and edge boundaries
  • 1. Firewall and Intrusion Prevention System deployment modes
  • 2. Enterprise cryptography architectures and VPN frameworks
- Design secure infrastructure controls
  • 1. Layer 2 and Layer 3 security defense mechanisms
  • 2. Network virtualization security and microsegmentation
Topic 5: Control, Data, Management Plane and Operational Design25%- Design control plane routing architectures
  • 1. Unicast routing protocols including OSPF, EIGRP, IS-IS, and BGP
  • 2. IPv4 and IPv6 dual-stack infrastructure transitions
  • 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

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Cisco Certified Design Expert (CCDE) Written Exam Sample Questions (Q179-Q184):

NEW QUESTION # 179
Two routers R1 and R2 are directly connected through an Ethernet link. Both routers are running OSPF over the Ethernet link and OSPF has been registered with BFD. R1 has been set up to transmit BFD at a 50 ms interval, but R2 can receive only at a 100 ms rate due to platform limitations. What does this mean?

Answer: D


NEW QUESTION # 180
Drag and drop the design characteristics from the left onto the correct network filter techniques on the right. Not all options are used.

Answer:

Explanation:


NEW QUESTION # 181
A network engineering team is in the process of designing a lab network for a customer demonstration. The design engineer wants to show that the resiliency of the MPLS traffic Engineering Fast Reroute solution has the same failover/failback times as a traditional SONET/SDH network (around 50MSEC). In order to address both link failure and node failure within the lab typology network, which type of the MPLS TE tunnels must be considered for this demonstration?

Answer: C


NEW QUESTION # 182
Refer to the table.

A customer investigates connectivity options for a DCI between two production data centers to aid a large- scale migration project. The migration is estimated to take 20 months to complete but might extend an additional 10 months if issues arise. All connectivity options meet the requirements to migrate workloads.
Which transport technology provides the best ROI based on cost and flexibility?

Answer: A

Explanation:
Let's calculate the total cost for each solution based on the most likely maximum duration (20 + 10 = 30 months) to ensure conservative, flexible planning.
-
DWDM over dark fiber:
CAPEX = $200,000
OPEX (annual): $100,000 # for 30 months = (2.5 × $100,000) = $250,000
Installation fee = $30,000
Total = $200,000 + $250,000 + $30,000 = $480,000
CWDM over dark fiber:
CAPEX = $150,000
OPEX (annual): $100,000 # for 30 months = (2.5 × $100,000) = $250,000
Installation fee = $25,000
Total = $150,000 + $250,000 + $25,000 = $425,000
MPLS wires only:
CAPEX = $50,000
OPEX (annual): $180,000 # for 30 months = (2.5 × $180,000) = $450,000
Installation fee = $5,000
Total = $50,000 + $450,000 + $5,000 = $505,000
Metro Ethernet:
CAPEX = $65,000
OPEX (annual): $100,000 # for 30 months = (2.5 × $100,000) = $250,000
Installation fee = $5,000
Total = $65,000 + $250,000 + $5,000 = $320,000
-
Analysis:
Metro Ethernet has the lowest overall cost at $320,000 and provides sufficient flexibility for workload migration since " all connectivity options meet technical requirements. " Metro Ethernet is typically more flexible than DWDM/CWDM for temporary or dynamic migration projects because it does not require optical expertise or complex dark fiber management.
MPLS is more expensive here and less flexible for large-scale Layer 2 migrations.
CWDM/DWDM are suitable for permanent solutions where long-term investment is justified, but not optimal here due to cost.
Therefore, best ROI and flexibility: Metro Ethernet
Final correct answer: D


NEW QUESTION # 183
Which two characteristics apply to firewall transparent mode operations in a firewall solution design?
(Choose two.)

Answer: A,D


NEW QUESTION # 184
......

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