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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.
NEW QUESTION 24
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. EoMPLS-based VPLS can carry multicast traffic in a scalable manner
- B. Use a mesh of GRE tunnels to carry the streams between sites
- C. Replace VPLS with a Layer 3 MVPN solution to carry the streams between sites
- D. Enable snooping mechanisms on the provider PE routers.
Answer: C
NEW QUESTION 25
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. tail drop
- B. WRED
- C. traffic shaping
- D. traffic policing
Answer: C
NEW QUESTION 26
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 on the appropriate ASBRS.
- B. route summarization on EIDRP routers connecting toward the ASBR
- C. route summarization the ASBR interfaces facing the OSPF domain
- D. route summarization on the appropriate ABRS.
Answer: A
NEW QUESTION 27
You are tasked with the design of a high available network. Which two features provide fail closed environments? (Choose two.)
- A. MST
- B. RPVST+
- C. EIGRP
- D. L2MP
Answer: B,C
NEW QUESTION 28
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. Make use of the 5-GHz band to reduce the spectrum utilization on 2.4 GHz when dual-band clients are used.
- B. Implement a four-channel design on 2.4 GHz to increase the number of available channels
- C. increases the number of SSlDs to load-balance the client traffic.
- D. Enable 802.11n channel bonding on both 2.4 GHz and 5 GHz to increase the maximum aggregated cell throughput.
- E. Choose a high minimum data rate to reduce the duty cycle.
Answer: A,E
NEW QUESTION 29
A multicast network is sing Bidirectional PIM. Which two combined actions achieve high availability so that two RPs within the same network can act in a redundant manner? (Choose two)
- A. Use anycast RP based on MSDP peering between the two RPs
- B. Manipulate the multicast routing table by creating static mroutes to the two RPs
- C. Advertise the two RP addresses in the routing protocol
- D. Control routing to the two RPs through a longest match prefix
- E. Use two phantom RP addresses
- F. Manipulate the administration distance of the unicast routes to the two RPs
Answer: D,E
NEW QUESTION 30
Refer to the table.
A customer investigates connectivity options for a DCI between two production data centers. The solution must provide dual 10G connections between locations with no single points of failure for Day 1 operations. It must also include an option to scale for up to 20 resilient connections in the second year to accommodate isolated SAN over IP and isolated, dedicated replication IP circuits. All connectivity methods are duplex 10 Gbps. Which transport technology costs the least over two years, in the scenario?
- A. DWDM
- B. CWDM
- C. MPLS
- D. Metro Ethernet
Answer: D
NEW QUESTION 31
Which two foundational aspects of loT are still evolving and being worked on by the industry at large?
(Choose two)
- A. loT consortia
- B. Low energy Bluetooth sensors
- C. Standards
- D. Regulatory domains
- E. WiFi protocols
Answer: B,E
NEW QUESTION 32
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. Scrum
- B. Six-Sigma
- C. Kanban
- D. LEAN
Answer: C
NEW QUESTION 33
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 34
You were tasked to enhance the security of a network with these characteristics:
* A pool of servers is accessed by numerous data centers and remote sites
* The servers are accessed via a cluster of firewalls
* The firewalls are configured properly and are not dropping traffic
* The firewalls occasionally cause asymmetric routing of traffic within the server data center.
Which technology should you recommend to enhance security by limiting traffic that could originate from a hacker compromising a workstation and redirecting flows at the servers?
- A. Deploy uRPF strict mode.
- B. Poison certain subnets by adding static routes to Null0 on the core switches connected to the pool of servers.
- C. Deploy uRPF loose mode
- D. Limit sources of traffic that exit the server-facing interface of the firewall cluster with ACLs.
Answer: D
NEW QUESTION 35
Refer to the exhibit.
ACME Mining has four data centers in Santiago. Cape Town. Mumbai, and Beijing, full-mesh connected via a
400 Mb/s EVP-LAN They want to deploy a new mission-critical application with these requirements:
* cluster heartbeat 2 Mb/s continuous (250 KB/s)
* cluster heartbeat one-way maximum latency 100 ms
These are the current ping tests results between the four data centers:
Which hosting data center pair can host the new application?
- A. Santiago and Mumbai
- B. Santiago and Cape Town
- C. Mumbai and Beijing
- D. Santiago and Beijing
- E. Cape Town and Beijing
- F. Cape Town and Mumbai
Answer: F
NEW QUESTION 36
What is a characteristic of a secure cloud architecture model?
- A. multi-factor authentication
- B. software-defined network segmentation
- C. limited access to job function
- D. dedicated and restricted workstations
Answer: B
NEW QUESTION 37
Which two features control multicast traffic in a VLAN environment? (Choose two)
- A. RGMP
- B. MLD snooping
- C. pruning
- D. PIM snooping
- E. IGMP snooping
Answer: B,E
NEW QUESTION 38
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. MPP
- C. CoPP
- D. DPP
Answer: A
NEW QUESTION 39
While reviewing an existing network design, you are discussing the characteristics of different STP versions.
Which protocol minimizes unicast flooding during a Topology Change Notification in a Layer 2 switched network with many VLANs?
- A. MST
- B. STP
- C. PVSTP+
- D. PVRSTP
Answer: D
NEW QUESTION 40
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. EIGRP
- B. IS-IS
- C. static
- D. RIP
- E. BGP
Answer: A,B,C,E
NEW QUESTION 41
The network designer needs to use GLOP IP addresses in order to make them unique within their ASN Which multicast address range should be used?
- A. 239000 to 239255255.255
- B. 232.0.0.0 to 232 255.255.255
- C. 224000 to 2240.0 255
- D. H233.0.0 0 to 233.255.255 255
Answer: D
NEW QUESTION 42
Which two possible drawbacks should you consider when introducing Network Functions Virtualization in a network design? (Choose two)
- A. OpenFlow must be supported in the network
- B. Traffic flows are suboptimal
- C. Bandwidth utilization increases
- D. An SDN orchestration layer is required to support NFV
- E. High-end routers are required to support NFV
Answer: D,E
NEW QUESTION 43
Drag and drop the design characteristics from the left onto the correct network filter techniques on the right.
Not all options are used.
Answer:
Explanation:
NEW QUESTION 44
A service provider hires you to design its new managed CE offering to meet these requirements
* The CEs cannot run a routing protocol with the PE
* Provide the ability for equal or unequal ingress load balancing in dual-homed CE scenarios.
* Provide support for IPv6 customer routes
* Scale up to 250.000 CE devices per customer.
* Provide low operational management to scale customer growth.
* Utilize low-end (inexpensive) routing platforms for CE functionality.
Which tunneling technology do you recommend?
- A. LISP
- B. DMVPN
- C. point-to-point GRE
- D. FlexVPN
Answer: A
NEW QUESTION 45
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 forces the midpoint MPLS-TE node to reoptimize the primary tunnels going through the OL node.
- B. It can be set on a router during the startup process for a fixed period of time
- C. Networks advertised within the LSPs of the respective node will become unreachable
- 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: B,E
NEW QUESTION 46
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. multipoint route-redistribution with route filtering using ACLs
- C. DUMPS single point route-redistribution with route filtering using route tags
- D. DUMP multipoint route-redistribution with route filtering using route tags
Answer: D
NEW QUESTION 47
SDWAN networks capitalize the usage of broadband Internet links over traditional MPLS links to offer more cost benefits to enterprise customers. However, due to the insecure nature of the public Internet, it is mandatory to use encryption of traffic between any two SDWAN edge devices installed behind NAT gateways. Which overlay method can provide optimal transport over unreliable underlay networks that are behind NAT gateways?
- A. TLS
- B. IPsec
- C. GRE
- D. DTLS
Answer: B
NEW QUESTION 48
What are two examples of business goals to be considered when a network design is built? (Choose two.)
- A. minimize operational costs
- B. reduce complexity
- C. standardize resiliency
- D. ensure faster obsolescence
- E. integrate endpoint posture
Answer: A,B
NEW QUESTION 49
......
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 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.
- 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.
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