Prepare Important Exam with 400-007 Exam Dumps(2023)
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Cisco 400-007 is a widely recognized exam for professionals who want to become a Cisco Certified Design Expert (CCDE v3.0) Written. Cisco Certified Design Expert (CCDE v3.0) Written Exam certification is designed for network engineers, architects, and designers who possess the skills and knowledge required to design complex, converged networks. 400-007 exam is designed to validate the candidate's ability to design and implement complex network solutions, as well as to provide them with a comprehensive understanding of network design principles and best practices.
Cisco 400-007 exam is designed to test the knowledge and skills of individuals seeking to become Cisco Certified Design Experts (CCDE v3.0). This is a written exam that covers a wide range of topics related to network design and architecture, including network infrastructure, security, and performance.
NEW QUESTION # 112
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. DWDM over dark fiber
- B. CWDM over dark fiber
- C. MPLS
- D. Metro Ethernet
Answer: D
NEW QUESTION # 113
Refer to the exhibit.
For Company XYZ Bangkok is using ECMP to reach the 172 20 2 0/24 network The company wants a design that would allow them to forward traffic from 172 16 2 0/24 toward 172 20 2 0/24 via the Singapore router as the preferred route The rest of the traffic should continue to use ECMP Which technology fulfills this design requirement?
- A. LFA
- B. policy-based routing
- C. unequal-cost load balancing using variance
- D. route summarization
Answer: B
NEW QUESTION # 114
An enterprise requires MPLS connected branches to access cloud-based Microsoft 365 services over an SD-WAN solution. Internet access Is available only at dual regional hub sites that are connected to the MPLS network. Which connectivity method provides an optimum access method to the cloud-based services If one ISP suffers loss or latency?
- A. Cloud onRamp gateway site
- B. Cloud onRamp SWG
- C. Cloud onRamp SaaS
- D. Cloud onRamp
Answer: C
Explanation:
https://www.cisco.com/c/en/us/td/docs/routers/sdwan/configuration/cloudonramp/vedge-20-x/cloud-onramp-book-vedge/cor-saas.html#common-scenarios-cor-saas-b
NEW QUESTION # 115
Company XYZ is in the process of identifying which transport mechanism(s) to use as their WAN technology. Their main two requirements are.
* a technology that could offer DPI, SLA, secure tunnels, privacy, QoS, scalability, reliability, and ease of management
* a technology that is cost-effective
Which WAN technology(ies) should be included in the design of company XYZ?
- A. MPLS meets all these requirements and it is more reliable than using the Internet. It is widely used with defined best practices and an industry standard.
- B. Both technologies should be used. Each should be used to back up the other one; where the primary links are MPLS, the internet should be used as a backup link with IPsec (and vice versa).
- C. Internet should be the preferred option because it is cost effective and supports BFD, IP SLA. and IPsec for secure transport over the public Internet.
- D. Software-defined WAN should be the preferred choice because it complements both technologies, covers all the required features, and it is the most cost-effective solution.
Answer: D
NEW QUESTION # 116
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: A
Explanation:
Assuming routers R1-R5, R1 is elected DR, R2 BDR. Fully established neighborships only occur to DR and BDR, all other neighbors are in 2Way DR other state. DR|BDRFull relationships:
R2-R1
R3-R1
R3-R2
R4-R1
R4-R2
R5-R1
R5-R2
NEW QUESTION # 117
A healthcare customer requested that SNMP traps must be sent over the MPLS Layer 3 VPN service. Which protocol must be enabled?
- A. SNMPv3
- B. Syslog TLS
- C. Syslog
- D. SSH
- E. SNMPv2
Answer: A
NEW QUESTION # 118
A network attacker exploits application flaws to compromise critical systems in the organization with these objectives:
* Obtain sensitive data and export the data out of the network.
* Compromise developer and administrator credentials to potentially
What is the next step after application discovery is completed in Zero Trust networkings
- A. Assess real-time security health.
- B. Enforce policies and microsegmentation.
- C. Ensure trustworthiness of systems.
- D. Establish visibility and behavior modeling
Answer: B
Explanation:
https://www.cisco.com/c/en/us/solutions/collateral/enterprise/design-zone-security/zt-arch-guide.html
NEW QUESTION # 119
Drag and drop the end-to-end network virtualization elements from the left onto the correct network areas on the right.
Answer:
Explanation:
NEW QUESTION # 120
As part of workspace digitization, a large enterprise has migrated all their users to Desktop as a Sen/ice (DaaS), by hosting the backend system in their on-premises data center. Some of the branches have started to experience disconnections to the DaaS at periodic intervals, however, local users in the data center and head office do not experience this behavior. Which technology can be used to mitigate this issue?
- A. traffic policing
- B. traffic shaping
- C. tail drop
- D. WRED
Answer: B
Explanation:
Traffic Shaping does help with congestion and better bandwidth utilization over the WAN.
NEW QUESTION # 121
Your company wants to deploy a new data center infrastructure Based on the requirements you have chosen VXLAN as encapsulation technology The customer is concerned about miss-configuration of Layer 2 devices and DC wide outages caused by Layer 2 loops What do you answer?
- A. Storm Control should be enabled on all ports
- B. VXLAN offers native loop avoidance mechanism
- C. BPDU Guard should be enabled on all VTEP access ports
- D. VPC+ could prevent L2 loop on access ports
Answer: C
NEW QUESTION # 122
Refer to the exhibit.
There are multiple trees in the Cisco FabricPath All switches in the Layer 2 fabric share the same view of each tree. Which two concepts describe how the multicast traffic is load-balanced across this topology? (Choose two )
- A. The multicast traffic is generally load-balanced across all trees
- B. Every leaf node assigns the specific (S.G) to the same tree.
- C. A specific (S.G) traffic is not load-balanced
- D. All trees are utilized at the same level of the traffic rate
- E. A specific (S.G) multicast traffic is load-balanced across all trees due to better link utilization efficiency.
Answer: D,E
NEW QUESTION # 123
You are designing a large-scale DMVPN network with more than 500 spokes using EIGRP as the IGP protocol Which design option eliminates potential tunnel down events on the spoke routers due to the holding time expiration?
- A. Increase the hold queue on the physical interface of the hub router.
- B. Increase the hold queue on the tunnel interface of the hub router
- C. Increase the hold queue on the tunnel interface of the spoke routers
- D. Increase the hold queue on the physical interface of the spoke routers.
- E. Apply QoS for pak_priority class
Answer: B
NEW QUESTION # 124
IPFIX data collection via standalone IPFIX probes is an alternative to flow collection from routers and switches. Which use case is suitable for using IPFIX probes?\
- A. capacity planning
- B. observation of critical links
- C. performance monitoring
- D. security
Answer: C
NEW QUESTION # 125
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 EIDRP routers connecting toward the ASBR
- D. route summarization on the appropriate ABRS.
Answer: B
NEW QUESTION # 126
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 # 127
Which service abstracts away the management of the operating system, middleware, and runtime?
- A. laaS
- B. PaaS
- C. SaaS
- D. BMaaS
Answer: B
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 # 128
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