Cisco 400-007 Cisco Certified Design Expert Online Training
Cisco 400-007 Online Training
The questions for 400-007 were last updated at Oct 18,2025.
- Exam Code: 400-007
- Exam Name: Cisco Certified Design Expert
- Certification Provider: Cisco
- Latest update: Oct 18,2025
Retef to the exhibit.
This network is running OSPF and EIGRP as the routing protocols Mutual redistribution of the routing protocols has been contoured on the appropriate ASBRs. The OSPF network must be designed so that flapping routes m EIGRP domains do not affect the SPF runs within OSPF. The design solution must not affect the way EIGRP routes are propagated into the EIGRP domains.
Which technique accomplishes the requirement?
- A . route summarization the ASBR interfaces facing the OSPF domain
- B . route summarization on the appropriate ASBRS.
- C . route summarization on the appropriate ABRS.
- D . route summarization on EIDRP routers connecting toward the ASBR
What are two top cloud-native security challenges faced by today’s cloud-oriented organizations? (Choose two)
- A . establishing user roles
- B . polymorphism
- C . lack of visibility and tracking
- D . increased attack surface
- E . user credential validation
Company XYZ is redesigning their QoS policy. Some of the applications used by the company are real-time applications. The QoS design must give these applications preference in terms of transmission.
Which QoS strategy can be used to fulfill the requirement?
- A . weighted fair queuing
- B . weighted random early detection
- C . low-latency queuing
- D . first-in first-out
Company XYZ wants to use the FCAPS ISO standard for network management design. The focus of the design should be to monitor and keep track of any performance issues by continuously collecting and analyzing statistical information to monitor, correct, and optimize any reduced responsiveness across the network.
Which layer accomplishes this design requirement?
- A . fault management
- B . accounting management
- C . performance management
- D . security management
What are two examples of business goals to be considered when a network design is built? (Choose two.)
- A . standardize resiliency
- B . minimize operational costs
- C . integrate endpoint posture
- D . ensure faster obsolescence
- E . reduce complexity
Which tool automates network implementation activities and shortens the implementation lifecycle?
- A . LISP
- B . Java
- C . Conclusion
- D . Python
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?
- A . STP
- B . fate sharing
- C . OSPF LFA
- D . BFD
- E . flex links
You have been asked to design a high-density wireless network for a university campus.
Which two principles would you apply in order to maximize the wireless network capacity? (Choose two.)
- A . Implement a four-channel design on 2.4 GHz to increase the number of available channels
- B . Choose a high minimum data rate to reduce the duty cycle.
- C . increases the number of SSlDs to load-balance the client traffic.
- D . Make use of the 5-GHz band to reduce the spectrum utilization on 2.4 GHz when dual-band clients are used.
- E . Enable 802.11n channel bonding on both 2.4 GHz and 5 GHz to increase the maximum aggregated cell throughput.
Refer to the exhibit.
This network is running OSPF as the routing protocol. The internal networks are being advertised in OSPF London and Rome are using the direct link to reach each other although the transfer rates are better via Barcelona.
Which OSPF design change allows OSPF to calculate the proper costs?
- A . Change the OSPF reference bandwidth to accommodate faster links.
- B . Filter the routes on the link between London and Rome
- C . Change the interface bandwidth on all the links.
- D . Implement OSPF summarisation to fix the issue
Which optimal use of interface dampening on a fast convergence network design is true?
- A . When occasional flaps of long duration occur
- B . when numerous adjacent flaps of very short duration occur
- C . when the router hardware it slower than the carrier delay down detection
- D . when the switch hardware is faster than the debounce timer down detection
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