New (2024) Cisco 400-007 Exam Dumps
Best Way To Study For Cisco 400-007 Exam Brilliant 400-007 Exam Questions PDF
NEW QUESTION # 73
An MPLS service provider is offering a standard EoMPLS-based VPLS service to Customer A. providing Layer 2 connectivity between a central site and approximately 100 remote sites. Customer A wants to use the VPLS network to carry its internal multicast video feeds which are sourced at the central site and consist of 20 groups at Mbps each. Which service provider recommendation offers the most scalability?
- A. Replace VPLS with a Layer 3 MVPN solution to carry the streams between sites
- B. Enable snooping mechanisms on the provider PE routers.
- C. Use a mesh of GRE tunnels to carry the streams between sites
- D. EoMPLS-based VPLS can carry multicast traffic in a scalable manner
Answer: A
NEW QUESTION # 74
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. Apply a more granular load-balancing method on SW2.
- C. Add more links between core switches.
- D. Apply a more granular load- balancing method on SW1.
- E. Filter IGMP joins on an over -utilized link.
Answer: A
NEW QUESTION # 75
A senior network designer suggests that you should improve network convergence times by reducing BGP timers between your CE router and the PE router of the service provider. Which two factors should you consider to adjust the timer values? (Choose two.)
- A. service provider agreement to support tuned timers
- B. number of routes on the CE router
- C. service provider scheduling of changes to the PE
- D. manual updates to the peer groups
- E. number of VRFs on the PE router
Answer: A,B
NEW QUESTION # 76
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 # 77
Which service abstracts away the management of the operating system, middleware, and runtime?
- A. SaaS
- B. BMaaS
- C. laaS
- D. PaaS
Answer: D
Explanation:
IaaS, PaaS, and SaaS each offer a progressive layer of abstraction after that. IaaS abstracts away the physical compute, network, storage, and the technology needed to virtualize those resources. PaaS goes a step further and abstracts away the management of the operating system, middleware, and runtime.
https://www.ibm.com/topics/iaas#:~:text=IaaS%20abstracts%20away%20the%20physical,system%2C%20middleware%2C%20and%20runtime.
NEW QUESTION # 78
Refer to the exhibit.
Company XYZ BGP topology is as shown in the diagram. The interface on the LA router connected toward the 10 1.5.0/24 network is faulty and is going up and down, which affects the entire routing domain. Which routing technique can the network administrator use so that the rest of the network is not affected by the flapping issue?
- A. The Chicago administrator should use route filtering to block the 10.1.5.0/24 network from coming in from the LA router.
- B. The LA administrator should use route dampening for the 10.1.5 0/24 network so that it does not get propagated when it flaps up and down.
- C. The LA administrator should use route aggregation to summarize the 10 1 4.0/24, 10 1 5 0/24, 10.1.6.0/24, and 10 1 7 0/24 networks toward Chicago
- D. The LA administrator should use route filtering to block the 10.1.5.0/24 network from getting propagated toward Chicago and New York.
Answer: B
NEW QUESTION # 79
Which two pain points are the most common for container technology adoption? (Choose two)
- A. Skilled staff
- B. Cost
- C. Compliance
- D. Performance
- E. Security
- F. Container deployment
Answer: A,F
NEW QUESTION # 80
Agile and Waterfall are two popular methods for organizing projects. What describes any Agile network design development process?
- A. contract negotiation over customer collaboration
- B. working design over comprehensive documentation
- C. processes and tools over individuals and interactions over time
- D. following a plan over responding to change
Answer: B
NEW QUESTION # 81
Which two actions must merchants do to be compliant with the Payment Card Industry Data Security Standard? (Choose two.)
- A. use antivirus software
- B. conduct risk analyses
- C. establish monitoring policies
- D. establish risk management policies
- E. install firewalls
Answer: A,E
NEW QUESTION # 82
Which two conditions must be met for EIGRP to maintain an alternate loop-free path to a remote network? (Choose two.)
- A. The Reported Distance from a successor is higher than the local Feasible Distance.
- B. The feasibility condition does not need to be met.
- C. A feasible successor must be present.
- D. The Reported Distance from a successor is lower than the local Feasible Distance.
- E. The Feasible Distance from a successor is lower than the local Reported Distance.
Answer: C,D
NEW QUESTION # 83
A service provider recently migrated to an SD-WAN solution for delivering WAN connections to its customers. One of the main challenges with the SD-WAN deployment is that branch site volume increases every year, which causes management complexity. Which action resolves the issue?
- A. Build a service orchestration platform on top of the network controller
- B. Set up a dedicated team to monitor and provision new customers
- C. Implement a scalable network management system to manage all sites.
- D. Adopt a well-structured SD-WAN service management lifecycle model
Answer: A
NEW QUESTION # 84
A network architect must redesign a service provider edge, where multiservice and multitenant PEs are currently present. Which design feature should be minimized in the new design to achieve reliability?
- A. fate sharing
- B. redundancy
- C. unicast overlay routing
- D. bridging
Answer: A
NEW QUESTION # 85
What is a web-based model in which a third-party provider hosts applications that are available to customers over the Internet?
- A. SaaS
- B. WaaS
- C. PaaS
- D. laaS
Answer: A
NEW QUESTION # 86
A Service Provider is designing a solution for a managed CE service to a number of local customers using a single CE platform and wants to have logical separation on the CE platform using Virtual Routing and Forwarding (VRF) based on IP address ranges or packet length. Which is the most scalable solution to provide this type of VRF Selection process on the CE edge device?
- A. Multi-Protocol BGP
- B. Policy Based Routing
- C. OSPF per VRF Instance
- D. Static Routes for Route Leaking
Answer: B
NEW QUESTION # 87
The network team in XYZ Corp wants to modernize their infrastructure and is evaluating an implementation and migration plan to allow integration MPLS-based, Layer 2 Ethernet services managed by a service provider to connect branches and remote offices. To decrease OpEx and improve response times when network components fail, XYZ Corp decided to acquire and deploy new routers. The network currently is operated over E1 leased lines (2 Mbps) with a managed CE service provided by the telco.
Drag and drop the implementation steps from the left onto the corresponding targets on the right in the correct order.
Answer:
Explanation:
NEW QUESTION # 88
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. DWDM over dark fiber
- C. Metro Ethernet
- D. CWDM over dark fiber
Answer: C
NEW QUESTION # 89
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?
- A. Ensuring all related remote branches are dual homed to the MPLS network
- B. Provision of an additional MPLS provider
- C. Out of band access to the MPLS routers
- D. Dual PSUs & Supervisors on each MPLS router
Answer: B
NEW QUESTION # 90
An enterprise organization currently provides WAN connectivity to their branch sites using MPLS technology, and the enterprise network team is considering rolling out SD-WAN services for all sites.
With regards to the deployment planning, drag and drop the actions from the left onto the corresponding steps on the right.
Answer:
Explanation:
NEW QUESTION # 91
How must the queue sizes be designed to ensure that an application functions correctly?
- A. The default queue sizes are good for any deployment as it compensates the serialization delay.
- B. Each individual device queuing delay in the chain must be less than or equal to the application required delay.
- C. The queuing delay on every device in the chain must be exactly the same to the application required delay.
- D. The sum of the queuing delay of all devices plus serialization delay in the chain must be less than or equal to the application required delay.
Answer: D
NEW QUESTION # 92
Which two statements describe the usage of the IS-IS overload bit technique? (Choose two )
- A. It can be set in intermediate systems (IS-IS routers) to attract transit traffic from other intermediate systems
- B. It can be set in intermediate systems (IS-IS routers) to prioritize control plane CSNP packets.
- C. It can be used to automatically synchronize the link-state database between Level 1 intermediate systems
- D. lf overload-bit is set on a Level 2 intermediate system, the other Level 2 intermediate systems in the topology will stop using the overloaded IS to forward Level 2 traffic However, the intermediate system can still forward Level 1 traffic
- E. It can be set in intermediate systems (IS-IS routers) to avoid traffic black holes until routing protocols are fully converged after a reload operation.
Answer: D,E
NEW QUESTION # 93
Company XYZ wants to improve the security design of their network to include protection from reconnaissance and DoS attacks on their sub interfaces destined toward next hop routers. Which technology can be used to prevent these types of attacks?
- A. CPPr
- B. CoPP
- C. MPP
- D. DPP
Answer: A
Explanation:
https://learningnetwork.cisco.com/s/question/0D53i00000KsuyvCAB/copp-vs-cppr
NEW QUESTION # 94
Which purpose of a dynamically created tunnel interface on the design of IPv6 multicast services Is true?
- A. transport of all IPv6 multicast traffic
- B. multicast client registration to the RP
- C. multicast source registration to the RP
- D. first-hop router registration to the RP
Answer: A
NEW QUESTION # 95
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 ABRS.
- C. route summarization on the appropriate ASBRS.
- D. route summarization on EIDRP routers connecting toward the ASBR
Answer: C
NEW QUESTION # 96
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. DWDM over dark fiber
- C. Metro Ethernet
- D. CWDM over dark fiber
Answer: C
NEW QUESTION # 97
Which solution component helps to achieve rapid migration to the cloud for SaaS and public cloud leveraging SD-WAN capabilities?
- A. microservices in the cloud
- B. service-oriented cloud architecture
- C. Cloud onramp
- D. cloud registry
Answer: C
NEW QUESTION # 98
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Cisco 400-007 certification exam is an essential step for IT professionals who want to enhance their skills and knowledge in network design. It is a challenging exam that requires a deep understanding of network design principles, methodologies, and best practices. Passing the exam and earning the CCDE certification is a significant achievement that can open up new career opportunities and help IT professionals stand out in a competitive job market.
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