Cisco 400-007 Certification Sample Questions and Answers

Cisco 400-007 sample questions for Cisco Certified Design Expert v3.0 preparationThe Cisco 400-007 Certification Sample Questions on this page help you become familiar with the question style and knowledge areas of the Cisco Certified Design Expert v3.0 (CCDE) exam. Each question is written to reflect the syllabus topics and the level of understanding the certification expects, so you can see how theoretical concepts are tested in practice. Working through them lets you check your understanding, identify topics that need further study, and get comfortable interpreting certification-style questions before you sit the official exam.

These free sample questions are a useful starting point, but they cover only a small part of complete preparation. Reading the documentation, completing recommended training, and gaining hands-on experience build the underlying knowledge required for the certification. Structured practice then shows how well you can recall and apply that knowledge to exam-oriented questions, and reviewing the explanation for each answer helps you understand why a particular option is correct. As your preparation progresses, timed practice helps you develop pacing, sharpen question interpretation, and make confident decisions under exam conditions. Combining these approaches over several study sessions gives you a realistic measure of your readiness ahead of the Cisco Certified Design Expert v3.0 exam.

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Cisco 400-007 (CCDE) Sample Questions:

01. What are two examples of components that are part of an SDN architecture?
(Choose two.)
a) application plane
b) network plane
c) software plane
d) control plane
e) management plane
 
02. A business requirement is supplied to an architect from a car manufacturer whose business model is changing to just-in-time manufacturing, and a new network is required. The manufacturer does not produce all of the specific components in-house. Which area should the architect focus on initially?
a) Automation
b) Zero Trust Networking
c) Modularity
d) Low Latency Infrastructure
 
03. The General Bank of Greece plans to upgrade its legacy end-of-life WAN network with a new flexible, manageable, and scalable solution. The main requirements are ZTP support, end-to-end encryption, application awareness, and segmentation. The CTO states that the main goal of the bank is CAPEX reduction. Which WAN technology should be used for the solution?
a) DMVPN with PfR
b) managed SD-WAN
c) SD-branch
d) SD-WAN
 
04. You are designing the QoS policy for a company running many TCP-based applications that is experiencing tail drops, and the company wants a congestion-avoidance technique for these applications.
Which QoS strategy can be used to fulfill the requirement?
a) low-latency queuing
b) first-in first-out
c) weighted fair queuing
d) weighted random early detection
 
05. A network architect is designing a network policy for certain database applications. The goal is to allow these applications to access the internet directly, while other user and network applications that communicate outside their own network are routed through the data center.
The focus is higher availability and a better user experience for the database applications, and switching between different network paths based on performance characteristics must be supported. Which solution meets these requirements?
a) MPLS direct connect
b) MPLS L3VPN with QoS
c) Cloud OnRamp for SaaS
d) Cloud OnRamp for IaaS
 
06. Which methodology is the leading lifecycle approach to network design and implementation?
a) V model
b) PPDIOO
c) Waterfall model
d) Spiral model
 
07. An engineer must design a network for a company that uses OSPF LFA to reduce loops. Which type of loop would be reduced by using this design?
a) STP
b) DTP
c) REP
d) micro loops
 
08. Which cloud service model abstracts away the management of the operating system, middleware, and runtime?
a) IaaS
b) BMaaS
c) PaaS
d) SaaS
 
09. Enterprise XYZ wants fast convergence and optimized OSPF timers, but it also wants to prevent excessive flooding of LSAs when a link on the network flaps constantly.
Which timers help prevent excessive flooding of LSAs for OSPF?
a) OSPF propagation timers
b) OSPF throttling timers
c) OSPF flooding timers
d) OSPF delay timers
 
10. A company requires an RPO of less than 10 seconds to ensure business continuity. Which technology should be deployed?
a) a single data center with duplicated infrastructure, dual PSUs, and a UPS
b) a single data center with duplicated infrastructure and dual PSUs
c) geographically dispersed data centers with asynchronous replication
d) geographically dispersed data centers with synchronous replication

Answers:

Question: 01

Answer: a, d

Question: 02

Answer: c

Question: 03

Answer: b

Question: 04

Answer: d

Question: 05

Answer: c

Question: 06

Answer: b

Question: 07

Answer: d

Question: 08

Answer: c

Question: 09

Answer: b

Question: 10

Answer: d

For broader timed practice across the Cisco CCDE certification objectives, explore the Premium Cisco 400-007 Practice Exam. It complements your study resources by giving you repeated opportunities to apply what you have learned under exam-oriented conditions.

For the latest exam objectives, certification requirements, registration information, and vendor updates, refer to the official 400-007 exam page.

Note: These are independently developed practice questions created for study and familiarization. They are not official Cisco exam questions or recalled content from a live certification exam. If you find a typo or data entry error in these Cisco Certified Design Expert (400-007) sample questions, please let us know at feedback@nwexam.com.

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