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Cisco Certified Design Expert (CCDE v3.0) Written (400-007) - Cisco Exam Questions

Last updated on June 20, 2026

97% Exam Compliance
397 Total Questions
1
Question
Feature-rich networks are complex network models that provide one or more features in addition to the network topology In attributed networks, attributes are assigned to the nodes to describe the corresponding entities For example, in a friendship network the actors can be described by their genre and their age Which two alternative network models can be used to model interaction over time or to model each attribute by a specific relationship?
Select 2
Options
A heterogeneous network
B location-aware network
C information network
D multilayer network
E probabilistic network
F temporal network
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2
Question
DRAG DROP Drag and drop the design use cases from the left onto the correct uRPF techniques used to prevent spoofing attacks Not all options are used.

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3
Question
A large enterprise customer has a single router that uses two active/active 10-Mbps internet links in one of its offices. Each link currently handles approximately 7 Mbps of traffic, which is close to the full link capacity.

When a link fails, the failure leads to significantly degraded performance of all applications. Static routing is used. The current ISP cannot deliver additional bandwidth capacity on the existing links. The customer needs a network design that is resistant to failure, but does not increase CAPEX. Which solution should be proposed to the customer?
Options
A Add an additional edge router connected to a second ISP.
B Implement quality of service on the current links.
C Add a third link to the current router.
D Use dynamic routing for equal-cost multipath.
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4
Question
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?
Options
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
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5
Question
A business requirement stating that failure of WAN access for dual circuits into an MPLS provider for a Data Centre cannot happen due to related service credits that would need to be paid has led to diversely routed circuits to different points of presence on the providers network? What should a network designer also consider as part of the requirement?
Options
A Provision of an additional MPLS provider
B Ensuring all related remote branches are dual homed to the MPLS network
C Out of band access to the MPLS routers
D Dual PSUs & Supervisors on each MPLS router
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