Pass Cisco 400-007 PDF Dumps | Recently Updated 270 Questions
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Passing the Cisco 400-007 exam is a crucial step towards obtaining the CCDE certification. The CCDE certification is recognized worldwide as a symbol of excellence in network design, and it can open up many career opportunities for individuals in the IT industry. Cisco Certified Design Expert (CCDE v3.0) Written Exam certification is particularly valuable for professionals who work in large enterprise environments or for those who provide consulting services to clients. Overall, the Cisco 400-007 exam is a challenging but rewarding certification exam that can help individuals take their career to new heights in the field of network design.
Cisco 400-007 exam is a certification exam for professionals seeking to become a Cisco Certified Design Expert. 400-007 exam is designed to test the knowledge and skills of candidates in the field of network design, architecture, and implementation. 400-007 exam is designed to measure the candidate's ability to design complex enterprise networks, implement scalable solutions, and troubleshoot network problems.
NEW QUESTION # 32
A business invests in SDN and develops its own SDN controller that, due to budget constraints, runs on a single controller. The controller actively places an exclusive lock on the configuration of the devices to ensure it is the only source of changes to the environment. What is the result if the controller fails?
- A. All device configurations are in read-only mode until the controller is restored.
- B. If a device fails, the configuration backup is unavailable-
- C. The control plane is unavailable until the controller is restored.
- D. Manual changes are only possible until the controller is restored
Answer: C
NEW QUESTION # 33
A legacy enterprise is using a Service Provider MPLS network to connect its head office and branches. Recently, they added a new branch to their network. Due to physical security concerns, they want to extend their existing IP CCTV network of the head office to the new branch, without any routing changes in the network. They are also under some time constraints. What is the best approach to extend the existing IP CCTV network to the new branch, without incurring any IP address changes?
- A. EoMPLS
- B. L2TPv3
- C. VXLAN
- D. GRE
Answer: B
NEW QUESTION # 34
An architect receives a functional requirement for a NAC system from a customer security policy stating that if a corporate Wi-Fi device does not meet current AV definitions, then it cannot access the corporate network until the definitions are updated. Which component should be built into the NAC design?
- A. quarantine SGTs
- B. posture assessment with remediation VLAN
- C. quarantine VLAN
- D. dACLs with SGTs
Answer: B
NEW QUESTION # 35
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. 232.0.0.0 to 232 255.255.255
- B. H233.0.0 0 to 233.255.255 255
- C. 224000 to 2240.0 255
- D. 239000 to 239255255.255
Answer: B
NEW QUESTION # 36
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. PVRSTP
- B. STP
- C. MST
- D. PVSTP+
Answer: A
NEW QUESTION # 37
Company XYZ is planning to deploy primary and secondary (disaster recovery) data center sites. Each of these sites will have redundant SAN fabrics and data protection is expected between the data center sites. The sites are 100 miles (160 km) apart and target RPO/RTO are 3 hrs and 24 hrs, respectively. Which two considerations must Company XYZ bear in mind when deploying replication in their scenario? (Choose two.)
- A. VSANs must be extended from the primary to the secondary site to improve performance and availability.
- B. Asynchronous data replication should be used in this scenario to avoid performance impact in the primary site.
- C. Target RPO/RTO requirements cannot be met due to the one-way delay introduced by the distance between sites.
- D. Synchronous data replication must be used to meet the business requirements
- E. VSANs must be routed between sites to isolate fault domains and increase overall availability.
Answer: B,E
NEW QUESTION # 38
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 scheduling of changes to the PE
- B. manual updates to the peer groups
- C. service provider agreement to support tuned timers
- D. number of VRFs on the PE router
- E. number of routes on the CE router
Answer: C,E
NEW QUESTION # 39
An enterprise network has two core routers that connect to 200 distribution routers and uses full-mesh IBGP peering between these routers as its routing method. The distribution routers are experiencing high CPU utilization due to the BGP process. Which design solution is the most cost effective?
- A. Implement route reflectors on the two core routers
- B. Increase the memory on the core routers
- C. Increase bandwidth between the core routers
- D. Implement e BGP between the core and distribution routers
- E. Increase the memory on the distribution routers
Answer: A
NEW QUESTION # 40
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 organization's security policy standards
- B. Consider Business objectives and goals
- C. Consider for only new network technologies and components
- D. Consider for only multi-site networks
Answer: A,B
NEW QUESTION # 41
You are designing the routing design for two merging companies that have overlapping IP address space. Which of these must you consider when developing the routing and NAT design?
- A. Global to local NAT translation is done after policy-based routing.
- B. Local to global NAT translation is done before policy-based routing
- C. Local to global NAT translation is done after routing
- D. Global to local NAT translation is done before routing.
Answer: D
NEW QUESTION # 42
Drag and drop the optical technology design characteristics on the left to the correct optical technologies on the right. Not all options are used
Answer:
Explanation:
NEW QUESTION # 43
Refer to the exhibit.
An engineer has been asked to redesign the traffic flow toward AS 111 coming from AS 500.Traffic destined to AS 111 network 91 7 0.0/16 should come in via AS 100. while traffic destined to all other networks in AS 111 should continue to use the existing path Which BGP attributes are best suited to control this inbound traffic coming from BGP AS 500 Into the 91.7.0.0/16 network?
- A. Use extended community for the 91.7.0.0/16 network, not advertising it to the bi-lateral peer.
- B. Set higher MED for neighbor in AS 100 to influence incoming traffic for the 91. 7.0.0/16 network.
- C. Prepend AS path for the 91.7.0.0/16 network and set it for neighbor in AS 200.
- D. Use local preference on R1 for the networks that AS 500 advertises to AS 111.
Answer: C
NEW QUESTION # 44
A network design includes a long signaling delay in notifying the Layer 3 control plane that an interface has failed Which two of these actions would reduce that delay? (Choose two.)
- A. Enable lower data link layer recovery systems to have an opportunity to restore the interface
- B. Increase the notification of interface flaps.
- C. Reduce the time for the network to reconverge.
- D. Increase network stability.
Answer: A,C
NEW QUESTION # 45
An architect receives a business requirement from a CTO that states the RTO and RPO for a new system should be as close as possible to zero. Which replication method and data center technology should be used?
- A. synchronous replication over dual data centers via Metro Ethernet
- B. asynchronous replication over dual data centers via DWDM
- C. synchronous replication over geographically dispersed dual data centers via MPLS
- D. asynchronous replication over geographically dispersed dual data centers via CWDM
Answer: A
NEW QUESTION # 46
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. A full mesh should be deployed between all the routers with mutual redistribution to take place at R1 and R2.
- B. 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.
- C. 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.
- D. R1, R2, R3 and R4 must be set up with a neighbor relationship with R5 only must not be a route reflector.
Answer: A
NEW QUESTION # 47
What are two key design principles when using a hierarchical core-distribution-access network model?
(Choose two )
- A. The core layer provides server access in a small campus.
- B. A hierarchical network design model aids fault isolation
- C. A hierarchical network design facilitates changes
- D. The core layer is designed first, followed by the distribution layer and then the access layer
- E. The core layer controls access to resources for security
Answer: B,C
NEW QUESTION # 48
Refer to the exhibit.
An engineer is designing the traffic flow for AS 111. Traffic from AS 111 should be preferred via AS 100 for all external routes. A method must be used that only affects AS 111. Which BGP attributes are best suited to control outbound traffic?
- A. MED
- B. community
- C. local preference
- D. As path
Answer: C
NEW QUESTION # 49
What is the most important operational driver in building a resilient and secure modular network design?
- A. Increase time spent on developing new features
- B. Reduce the frequency of failures requiring human intervention
- C. Dependencies on hardware or software that is difficult to scale
- D. Minimize app downtime
Answer: D
NEW QUESTION # 50
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 lower than the local Feasible Distance.
- B. The Reported Distance from a successor is higher than the local Feasible Distance.
- C. The Feasible Distance from a successor is lower than the local Reported Distance.
- D. The feasibility condition does not need to be met.
- E. A feasible successor must be present.
Answer: A,E
NEW QUESTION # 51
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 # 52
Which two application requirements are mandatory tor traffic to receive proper treatment when placed in the priority queue? (Choose two.)
- A. WRED drop treatment
- B. TCP-based application
- C. small transactions (HTTP-like behavior)
- D. intolerance to jitter
- E. tolerance to packet loss
Answer: C,D
NEW QUESTION # 53
An architect designs a multi-controller network architecture with these requirements:
* Achieve fast failover to control traffic when controllers fail.
* Yield a short distance and high resiliency in the connection between the switches and the controller.
* Reduce connectivity loss and enable smart recovery to improve the SDN survivability.
* Improve connectivity by adding path diversity and capacity awareness for controllers.
Which control plane component of the multi-controller must be built to meet the requirements?
- A. controller clustering
- B. control node reliability
- C. control path reliability
- D. controller stale consistency
Answer: D
NEW QUESTION # 54
Which design solution reduces the amount of IGMP state in the network?
- A. IGMPv3 with PIM-SSM
- B. IGMP filtering
- C. multiple multicast domains
- D. one multicast group address thorough network regardless of IGMP version
Answer: B
NEW QUESTION # 55
Company XYZ network runs IPv4 and IPv6 and they want to Introduce a multidomain, multicast-based network. The new design should use a flavor of PIM that forwards traffic using SPT. Which technology meets this requirement?
- A. BIDIR-PIM
- B. PIM-DM
- C. PIM-SM
- D. PIM-SSM
Answer: D
NEW QUESTION # 56
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The CCDE v3.0 exam is an intensive and challenging test that requires a thorough understanding of networking concepts and technologies. Candidates are expected to demonstrate their ability to design and implement complex network solutions using Cisco technologies and best practices. 400-007 exam consists of multiple-choice questions and simulations that test the candidate's ability to analyze complex network scenarios and design appropriate solutions. Successful completion of the CCDE v3.0 exam demonstrates to employers and clients that a candidate has the knowledge and skills to design and implement complex network solutions that meet business requirements and technical constraints.
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