Updated Jan-2023 Official licence for 400-007 Certified by 400-007 Dumps PDF
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NEW QUESTION 69
An enterprise has identified these causes for inefficient CAPEX spending:
* CAPEX planning is driven by technology and not by business objectives.
* The CAPEX planning team lacks the data it needs to perform due diligence tasks.
* The organizational structure lacks sufficient accountability and incentives.
Which corporate cultural change contributes to improving the effectiveness of CAPEX spending?
- A. CxO-level staff must have a full technical understanding but the should not trust their technical leaders fully.
- B. Build a financial control function that delivers high-quality reports on operational expenses for business insight and financial reporting.
- C. Marketing and product management divisions must reduce their CAPEX budgets significantly to drive the change.
- D. Adopt new organizational models that promote real accountability for ROI. not just revenue. EBITDA, and cash.
Answer: D
NEW QUESTION 70
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 71
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 shaping
- B. traffic policing
- C. tail drop
- D. WRED
Answer: A
NEW QUESTION 72
Organizations that embrace Zero Trust initiatives ranging from business policies to technology infrastructure can reap business and security benefits. Which two domains should be covered under Zero Trust initiatives?
(Choose two)
- A. work domain
- B. workgroup
- C. workload
- D. workplace
- E. workspace
Answer: C,D
NEW QUESTION 73
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: D
NEW QUESTION 74
Refer to the exhibit.
As part of a redesign project, you must predict multicast behavior What happens to the multicast traffic received on the shared tree (*,G), if it is received on the LHR interface indicated*?
- A. It is switched give that no RPF check is performed
- B. It is switched due to a successful RPF check against the routing table
- C. It is dropped due to an unsuccessful RPk8t8ck against the multicast receiver.
- D. It is dropped due to an unsuccessful RPF check against the multicast source
Answer: B
Explanation:
https://www.cisco.com/c/en/us/support/docs/ip/ip-multicast/16450-mcastguide0.html When a multicast packet arrives on an interface, the RPF process checks to ensure that this incoming interface is the outgoing interface used by unicast routing in order to reach the source of the multicast packet. This RPF check process prevents loops. Multicast routing does not forward a packet unless the source of the packet passes a RPF check. Once a packet passes this RPF check, multicast routing forwards the packet based only upon the destination address.
NEW QUESTION 75
Drag and drop the multicast protocols from the left onto the current design situation on the right.
Answer:
Explanation:
NEW QUESTION 76
Company XYZ is designing the network for IPv6 security and they have these design requirements:
* A switch or router must deny access to traffic from sources with addresses that are correct, but are topologically incorrect
* Devices must block Neighbor Discovery Protocol resolution for destination addresses that are not found in the binding table.
Which two IPv4 security features are recommended for this company? (Choose two)
- A. IPv6 DHCP Guard
- B. IPv6 Destination Guard
- C. IPv6 Prefix Guard
- D. IPv6 Source Guard
- E. IPv6 RA Guard
Answer: B,C
NEW QUESTION 77
Which two points must network designers consider when designing a new network design or when evaluating an existing network design to help them understand the high-level design direction with regards to the security aspects? (Choose two)
- A. Consider Business objectives and goals
- B. Consider organization's security policy standards
- C. Consider for only new network technologies and components
- D. Consider for only multi-site networks
Answer: A,B
NEW QUESTION 78
Refer to the exhibit.
OSPF is running as the IGP to provide reachability to all AS100 networks R3 and R4 are the current ABRs at the boundary of OSPF Area0 and Areal Now BGP must be deployed within AS 100 because it will be receiving Internet routes from its eBGP peers (the service provider) connected to R1 and R2 What is an optimal solution for this deployment to configure BGP relationships and redistribute BGP learned routes into OSPF?
- A. R5 should be configured as a route reflector for R1, R2, R3 and R4. BGP routes must be redistributed at R1 and R2 into OSPF.
- B. Configuration should be set up with R1 and R2, and R3 in one sub AS, with and R4 in another, and redistribution at R1 and R2.
- C. R1, R2, R3 and R4 must be set up with a neighbor relationship with R5 only must not be a route reflector.
- D. A full mesh should be deployed between all the routers with mutual redistribution to take place at R1 and R2.
Answer: D
NEW QUESTION 79
Refer to the exhibit.
Which impact of using three or more ABRs between the backbone area and area 1 is true?
- A. In a large-scale network multiple ABRs can create microloops.
- B. Prefixes from the non-backbone area are advertised by one ABR to the backbone
- C. In a large-scale network LSA replication by all ABRs can cause serious scalability issues
- D. Multiple ABRs reduce the CPU processing on each A6R due to splitting prefix advertisement
Answer: C
NEW QUESTION 80
Company XYZ is designing the network for IPv6 security and they have these design requirements:
A switch or router must deny access to traffic from sources with addresses that are correct, but are topologically incorrect Devices must block Neighbor Discovery Protocol resolution for destination addresses that are not found in the binding table.
Which two IPv4 security features are recommended for this company? (Choose two)
- A. IPv6 DHCP Guard
- B. IPv6 Destination Guard
- C. IPv6 Prefix Guard
- D. IPv6 Source Guard
- E. IPv6 RA Guard
Answer: B,C
NEW QUESTION 81
Refer to the exhibit.
Your company designed a network to allow server VLANs to span all access switches in a data center In the design, Layer 3 VLAN interfaces and HSRP are configured on the aggregation switches Which two features improve STP stability within the network design? (Choose two.)
- A. root guard on the aggregation switch downlinks toward access switches
- B. BPDU guard on the aggregation switch downlinks toward access switches
- C. root guard on access ports
- D. BPDU guard on access ports
- E. edge port on access ports
- F. access switch pairs explicitly determined to be root and backup root bridges
Answer: D,E
NEW QUESTION 82
You are tasked to design a QoS policy for a service provider so they can include it in the design of their MPLS core network If the design must support an MPLS network with six classes, and CEs will be managed by the service provider, which QoS policy should be recommended?
- A. map IP precedence bits into the DSCP field
- B. map IP CoS bits into the IP Precedence field
- C. map DSCP bits into the Exp field
- D. map flow-label bits into the Exp field
Answer: C
NEW QUESTION 83
An enterprise solution team is performing an analysis of multilayer architecture and multicontroller SDN solutions for multisite deployments. The analysis focuses on the ability to run tasks on any controller via a standardized interface. Which requirement addresses this ability on a multicontroller platform?
- A. Use the East-West API to facilitate replication between controllers within a cluster.
- B. Build direct physical connectivity between different controllers.
- C. Use OpenFlow to implement and adapt new protocols.
- D. Deploy a root controller to gather a complete network-level view.
Answer: C
NEW QUESTION 84
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. DPP
- C. MPP
- D. CoPP
Answer: A
Explanation:
https://learningnetwork.cisco.com/s/question/0D53i00000KsuyvCAB/copp-vs-cppr
NEW QUESTION 85
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. A specific (S.G) traffic is not load-balanced
- B. Every leaf node assigns the specific (S.G) to the same tree.
- C. A specific (S.G) multicast traffic is load-balanced across all trees due to better link utilization efficiency.
- D. The multicast traffic is generally load-balanced across all trees
- E. All trees are utilized at the same level of the traffic rate
Answer: C,E
NEW QUESTION 86
An existing wireless network was designed to support data traffic only. You must now install context Aware services for location tracking changes must be applied to the existing wireless network to increase the location accuracy? (Chose two)
- A. Install additional access points in monitor mode where the co-channel interference would otherwise be affected
- B. Increase the access point density to create an average inter-access point distance of less than 40 feet or 12.2 meters
- C. Add access points along the perimeter of the coverage area.
- D. Use directional antennas to provide more cell overlapping
- E. Fine tune the radio configuration of the access point to have a higher average transmission power to achieve better coverage
Answer: B,E
NEW QUESTION 87
A BGP route reflector in the network is taking longer than expected to coverage during large network changes. Troubleshooting shows that the router cannot handle all the TCP acknowledgements during route updates. Which action can be performed to tune the device performance?
- A. Increase the keepalive timers for each BGP neighbor.
- B. Decrease the size of the small buffers.
- C. Increase the size of the large buffers.
- D. Increase the size of the hold queue.
Answer: D
NEW QUESTION 88
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What Is Tested in Cisco 400-007?
If they want to get the passing score from the first attempt in 400-007, the candidates will need to demonstrate that they developed such skills as:
- Developing a combination between modern and traditional network designs as well as becoming able to work with data and control planes.
- Building scalable network design by addressing the infrastructure’s constraints as well as incorporating hybrid or cloud solutions following operation requirements which are critical for the business.
- Planning and designing scalable and resilient modular networks which work for both the traditional and modern software-defined architectures.
- Working with different concepts related to network integration and security design such as visibility, policy enforcement, or segmentation.
- Becoming able to develop and design an effective business strategy and secure operational sustainability and business continuity.
Preparation Materials for 400-007 Exam
It is important for candidates to start preparing for 400-007 beforehand so that they have enough time to get the right knowledge. As this exam is necessary for obtaining the CCDE certification, the examinees can focus their attention on the materials dedicated to this Cisco Certified Design Expert designation, among which you’ll encounter the following resources:
- CCDE Certification Training Videos
This video material is ideal for those candidates who prefer interactive training. The candidates can find the videos on the Cisco official site which contain a series of recordings that will help them get the necessary information for obtaining such a high-level certificate. The videos were created by the vendor’s senior experts and development team who were open to share their past experiences with the exam-takers. Also, they included valuable information in each video to help the candidates identify the best practices and use them to meet the requirements of businesses. The videos’ total duration is of approximately 21 hours and they cover the following topics:
- Understanding the Cloud Computing and Deployment Model fundamentals;
- Introduction in Workload Portability and understanding how to use hybrid cloud solutions;
- Overview and understanding the key elements in cloud security;
- Being exposed to topics such as APIs and scripting management along with network programmability;
- Introduction to data virtualization and programming;
- How to manage IOS XE programmability features that are useful for network engineers;
- Understanding how to provide software-defined access and solving campus network problems;
- Designing Cisco SD-WAN financial services, healthcare, retail, manufacturing, and viptela drivers, solution architects, and concepts;
- Working with fundamental notions related to data center network;
- Being exposed to design approaches and methodologies;
- Learning about WAN network design fundamentals.
- CCDE Study Guide (Quick Reference)
This guide is available on Amazon in different formats. The candidates for the Cisco 400-007 can download it in Kindle format for somewhere about $72. Also, it can be bought in paperback format for a price that varies between $65 to $76. Its author is Marwan Al-Shawi. Overall, the book focuses on the main topics that the exam-takers need to demonstrate to obtain the CCDE certification. Some of the areas that the candidates will find in such a resource are the following:
- Understanding the requirements related to network design and discovering the most effective design as well as analysis principles that can be implemented in an organization.
- Grasping how to work with Layer 2 and 3 design concepts as well as getting exposed to enterprise edge and campus architecture design.
- Managing service provider architecture and network design.
- Learning more about Data Center Network Design.
- Understanding how other network services and technologies work and contribute to business process improvement.
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.
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