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Candidates for Test 400-007
The Cisco 400-007 exam is suitable for those individuals who want to access network design and architecture job roles and get prepared at an expert level. This means that the target audience for this test is formed by those specialists who want to learn how to integrate different networking pieces of infrastructure into scalable, manageable, and sustainable architecture. Therefore, they will become internationally certified professionals who can meet the organization and customer’s needs. Besides, this certification exam is suitable for those professionals who want to distinguish themselves as leaders in identifying and developing complex solutions related to network design.
Factual Information about 400-007
This exam has a duration of 120 minutes. Plus, the candidates will need to reply to 90 to 110 questions. The vendor doesn’t give detailed information on the type of questions the candidates will find so they should be ready to face a quite difficult exam. When it comes to the registration process, the candidates will finalize the enrollment via the Pearson VUE platform. Also, the candidates shouldn’t forget that this exam will be launched in November 2021 and it is necessary to obtain the CCDE certification. Apart from this test, the candidates will need to undertake the CCDE v3.0 practical exam if they want to get certified. As for the prerequisites, the vendor doesn’t mention any mandatory conditions. However, the exam-takers should gain knowledge of the tested topics. Also, it will be helpful if they had at least five years of practical experience in architecting and designing network solutions.
NEW QUESTION 64
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. security management
- C. accounting management
- D. performance management
Answer: D
NEW QUESTION 65
Which architecture does not require an explicit multicast signaling protocol, such as PIM or P2MP, to signal the multicast state hop-by-hop, but instead uses a link state protocol to advertise the multicast forwarding state?
- A. Binary indexed explicit routing
- B. Binary intermediate enhanced routing
- C. Bit indexed explicit replication
- D. Bi-directional implicit replication
Answer: C
NEW QUESTION 66
How many fully established neighbour relationships exist on an Ethernet with five routers running OSPF as network type broadcast?
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
Answer: B
NEW QUESTION 67
Which two aspects are considered when designing a dual hub dual DMVPN cloud topology? (Choose two )
- A. hub sites must connect to both DMVPN clouds
- B. requires all sites to have dual Internet connections
- C. spoke-to-spoke traffic will transit the hub unless spokes exchange dynamic routing directly
- D. recommended for high availability
- E. will only work with single-tier headend architecture
Answer: D,E
NEW QUESTION 68
Company XYZ asks for design recommendations for Layer 2 redundancy. The company wants to prioritize fast convergence and resiliency elements. In the design. Which two technologies are recommended? (Choose two.)
- A. Use UniDirectional Link Detection.
- B. Use root guard.
- C. Use BPDU guard.
- D. Configure DHCP snooping on the switches.
- E. Design MLAG/MC-LAG into the network wherever possible.
Answer: A,E
NEW QUESTION 69
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?
- A. MPLS
- B. CWDM over dark fiber
- C. DWDM over dark fiber
- D. Metro Ethernet
Answer: D
NEW QUESTION 70
You are designing a network for a branch office. In order to improve convergence time, you are required to use the BFD feature Which four routing protocols can you use to facilitate this? (Choose four.)
- A. RIP
- B. IS-IS
- C. EIGRP
- D. static
- E. BGP
Answer: B,C,D,E
NEW QUESTION 71
Drag and drop the multicast protocols from the left onto the current design situation on the right.
Answer:
Explanation:
Explanation
A picture containing table Description automatically generated
IPv4:
Host Registration - IGMP
Router Registration - PIM-DM, PIM-SM, SSM, BIDIR
Inter-Domain Source Discovery - MSDP
IPv6:
Host Registration - MLD
Router Registration - PIM-SM, SSM, BIDIR
NEW QUESTION 72
Company XYZ wants to secure the data plane of their network. Which two technologies can be included in the security design? (Choose two)
- A. DAI
- B. CPPr
- C. IP Source Guard
- D. BEEP
- E. MPP
Answer: A,C
NEW QUESTION 73
Which technology is an open-source infrastructure automation tool that automates repetitive tasks for users who work in networks such as cloud provisioning and intraservice orchestration?
- A. Jinja2
- B. Ansible
- C. Contrail
- D. Java
Answer: B
NEW QUESTION 74
Which two data plane hardening techniques are true? (Choose two)
- A. Control Plane Policing
- B. infrastructure ACLs
- C. disable unused services
- D. routing protocol authentication
- E. warning banners
- F. SNMPv3
- G. redundant AAA servers
Answer: B,C
NEW QUESTION 75
Company XYZ is running OSPF in their network. They have merged with another company that is running EIGRP as the routing protocol. Company XYZ now needs the two domains to talk to each other with redundancy, while maintaining a loop free environment. The solution must scale when new networks are added into the network in the near future. Which technology can be used to meet these requirements?
- A. DUMPS single point route-redistribution with route filtering using ACLs
- B. DUMP multipoint route-redistribution with route filtering using route tags
- C. multipoint route-redistribution with route filtering using ACLs
- D. DUMPS single point route-redistribution with route filtering using route tags
Answer: B
NEW QUESTION 76
Customer XYZ network consists of an MPLS core. IS-IS running as IGP a pair of BGP route reflectors for route propagation, and a few dozens of MPLS-TE tunnels for specific tactical traffic engineering requirements.
The customer's engineering department has some questions about the use of the Overload Bit in the IS-IS networks and how it could be used to improve their current network design. Which two concepts about the Overload Bit are true? (Choose two.)
- A. It can be set on a router during the startup process for a fixed period of time
- B. Networks advertised within the LSPs of the respective node will become unreachable
- C. It forces the midpoint MPLS-TE node to reoptimize the primary tunnels going through the OL node.
- D. It is not recommended on BGP Route Reflectors
- E. It can be set on a router until other interacting protocols have signaled convergence.
Answer: A,E
NEW QUESTION 77
A small organization of 20 employees is looking to deliver a network design service for modernizing customer networks to support advanced solutions.
* Project scope and weekly progress should be visualized by the management.
* Always consider feedback and make changes accordingly during the project.
* Should consider flexibility to change scope at the point of time.
Which project methodology meets the requirements and have the least impact on the outcome?
- A. LEAN
- B. Scrum
- C. Kanban
- D. Six-Sigma
Answer: C
NEW QUESTION 78
Which effect of using ingress filtering to prevent spoofed addresses on a network design is true?
- A. It protects the network Infrastructure against spoofed DDoS attacks.
- B. It reduces the effectiveness of DDoS attacks when associated with DSCP remarking to Scavenger.
- C. It filters RFC 1918 IP addresses.
- D. It Classifies bogon traffic and remarks it with DSCP bulk.
Answer: A
NEW QUESTION 79
What are two common approaches to analyzing and designing networks? (Choose two.)
- A. high-low security approach
- B. top-down approach
- C. left-right approach
- D. bottom-up approach
- E. three-tier approach
Answer: B,D
NEW QUESTION 80
Your network operations team is deploying Access Control Lists (ACLs) across your Internet gateways They wish to place an ACL inbound on the Internet gateway interface facing the core network (the "trusted" interface). Which IP address would the ACL need for traffic sourced from the inside interface, to match the source address of the traffic?
- A. inside local
- B. inside global
- C. outside global
- D. outside local
Answer: A
NEW QUESTION 81
Refer to the exhibit.
A customer runs OSPF with Area 5 between its aggregation router and an internal router When a network change occurs in the backbone. Area 5 starts having connectivity issues due to the SPF algorithm recalculating an abnormal number of times in Area 5 You are tasked to redesign this network to increase resiliency on the customer network with the caveat that Router B does not support the stub area How can you accomplish this task*?
- A. Create a virtual link to Area 0 from Router B to the ABR
- B. Increase the bandwidth on the connection between Router A and Router B
- C. Implement LSA filtering ontheAB, allowing summary routes and preventing more specific routes into Area 5
- D. Turn on LSA throttling on all devices in Area 5
- E. Set Area 5 to stubby at the ABR anyway
Answer: C
NEW QUESTION 82
Which two control plane policer designs must be considered to achieve high availability? (Choose two.)
- A. Control plane policers are enforced in hardware to protect the software path, but they are hardware platform dependent in terms of classification ability.
- B. Control plane policers require that adequate protocols overhead are factored in to allow protocol convergence.
- C. Control plane policers must be processed before a forwarding decision is made.
- D. Control plane policers can cause the network management systems to create false alarms.
- E. Control plane policers are really needed only on externally facing devices.
Answer: A,C
NEW QUESTION 83
Which two advantages of using DWDM over traditional optical networks are true? (Choose two.)
- A. inherent topology flexibility with a service protection provided through a direct integration with an upper layer protocol
- B. ability to expand bandwidth over existing optical Infrastructure
- C. inherent topology flexibility with intelligent chromatic dispersion
- D. inherent topology flexibility with built-in service protection
- E. inherent topology flexibility and service protection provided without penalty through intelligent oversubscription of bandwidth reservation
Answer: B,D
NEW QUESTION 84
Refer to the exhibit.
Traffic was equally balanced between Layer 3 links on core switches SW1 and SW2 before an introduction of the new video server in the network. This video server uses multicast to send video streams to hosts and now one of the links between core switches is over utilized Which design solution solves this issue?
- A. Aggregate links Layer 2 link aggregation.
- B. Filter IGMP joins on an over -utilized link.
- C. Add more links between core switches.
- D. Apply a more granular load-balancing method on SW2.
- E. Apply a more granular load- balancing method on SW1.
Answer: A
NEW QUESTION 85
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. Enable 802.11n channel bonding on both 2.4 GHz and 5 GHz to increase the maximum aggregated cell throughput.
- D. Make use of the 5-GHz band to reduce the spectrum utilization on 2.4 GHz when dual-band clients are used.
- E. increases the number of SSlDs to load-balance the client traffic.
Answer: B,D
NEW QUESTION 86
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