[Nov-2023] Updated and Accurate 400-007 Questions & Answers for passing the exam Quickly
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NEW QUESTION # 156
Which two control plane policer designs must be considered to achieve high availability? (Choose two.)
- A. Control plane policers are enforced in hardware to protect the software path, but they are hardware platform dependent in terms of classification ability.
- B. Control plane policers require that adequate protocols overhead are factored in to allow protocol convergence.
- C. Control plane policers are really needed only on externally facing devices.
- D. Control plane policers can cause the network management systems to create false alarms.
- E. Control plane policers must be processed before a forwarding decision is made.
Answer: A,E
NEW QUESTION # 157
Which main IoT migration aspect should be reviewed for a manufacturing plant?
- A. Sensors
- B. Applications
- C. Wi-Fi Infrastructure
- D. Security
- E. Ethernet Switches
Answer: A
NEW QUESTION # 158
Sometimes SDN leverages various overlay networking technologies to create layer(s) of network abstraction. What describes an overlay network?
- A. Packet delivery and reliability occurs at Layer 3 and Layer 4
- B. It transmits packets that traverse over network devices like switches and routers
- C. It is responsible for the delivery of packets; NAT- or VRF-based segregation is required
- D. It encapsulates packets at source and destination, which incurs additional overhead
Answer: D
NEW QUESTION # 159
What are two top cloud-native security challenges faced by today's cloud-oriented organizations? (Choose two )
- A. polymorphism
- B. lack of visibility and tracking
- C. establishing user roles
- D. increased attack surface
- E. user credential validation
Answer: B,D
NEW QUESTION # 160
Which DCI technology utilizes a "flood and learn" technique to populate the Layer2 forwarding table?
- A. EVPN
- B. OTV
- C. VPLS
- D. LISP
Answer: C
NEW QUESTION # 161
Company XYZ needs advice in redesigning their legacy Layer 2 infrastructure. Which technology should be included in the design to minimize or avoid convergence delays due to STP or FHRP and provide a loop-free topology?
- A. Use switch clustering in the core/distribution layer.
- B. Use BFD.
- C. Use spanning-tree PortFast.
- D. Use switch clustering in the access layer.
Answer: A
NEW QUESTION # 162
What is a characteristic of a secure cloud architecture model?
- A. dedicated and restricted workstations
- B. software-defined network segmentation
- C. limited access to job function
- D. multi-factor authentication
Answer: B
NEW QUESTION # 163
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 path reliability
- C. controller stale consistency
- D. control node reliability
Answer: C
NEW QUESTION # 164
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. Asynchronous data replication should be used in this scenario to avoid performance impact in the primary site.
- B. VSANs must be routed between sites to isolate fault domains and increase overall availability.
- C. Target RPO/RTO requirements cannot be met due to the one-way delay introduced by the distance between sites.
- D. VSANs must be extended from the primary to the secondary site to improve performance and availability.
- E. Synchronous data replication must be used to meet the business requirements
Answer: A,E
Explanation:
synchronous data replication must be used to meet the business requirements, is incorrect. As described above, asynchronous replication would be a better choice in this scenario due to the distance between the data center sites and the target RPO/RTO requirements.
asynchronous data replication should be used in this scenario to avoid performance impact in the primary site, is correct. Asynchronous replication would allow Company XYZ to meet the target RPO/RTO requirements while avoiding the performance impact of synchronous replication.
NEW QUESTION # 165
Which methodology is the leading lifecycle approach to network design and implementation?
- A. PPDIOO
- B. Spiral model
- C. Waterfall model
- D. V model
Answer: A
NEW QUESTION # 166
What are two descriptions of network optimization? (Choose two.)
- A. network redesign
- B. maintain high availability
- C. network health maintenance
- D. identify network requirements
- E. proactive network management
Answer: B,C
NEW QUESTION # 167
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. route summarization
- B. policy-based routing
- C. LFA
- D. unequal-cost load balancing using variance
Answer: B
NEW QUESTION # 168
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 # 169
Which two technologies enable multilayer segmentation? (Choose two.)
- A. firewalls
- B. segment routing
- C. policy-based routing
- D. filter lists
- E. data plane markings
Answer: A,C
NEW QUESTION # 170
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. Apply a more granular load- balancing method on SW1.
- B. Apply a more granular load-balancing method on SW2.
- C. Filter IGMP joins on an over -utilized link.
- D. Add more links between core switches.
- E. Aggregate links Layer 2 link aggregation.
Answer: E
NEW QUESTION # 171
Company XYZ is designing their network using the three-layer hierarchical model. At which layer must the QoS design classify or mark the traffic?
- A. core
- B. distribution
- C. access
- D. collapsed core
Answer: C
NEW QUESTION # 172
A company plans to use BFD between its routers to detect a connectivity problem inside the switched network. An IPS is transparently installed between the switches. Which packets shold the IPS forward for BFD to work under all circumstances?
- A. IP packets with identical source and destination IP addresses
- B. IP packets with the destination IP address 0.0.0.0.
- C. Fragmented packet with the do-not-fragment bit set
- D. IP packets with the multicast IP source address
- E. IP packet with the multicast IP destination address
- F. IP packets with broadcast IP source addresses
Answer: A
NEW QUESTION # 173
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. workplace
- C. workgroup
- D. workspace
- E. workload
Answer: B,E
NEW QUESTION # 174
Refer to the exhibit.
An engineer is designing the network for a multihomed customer running in AS 111 does not have any other Ass connected to it. Which technology is more comprehensive to use in the design to make sure that the AS is not being used as a transit AS?
- A. Configure the AS-set attribute to allow only routes from AS 111 to be propagated to the neighbor ASs.
- B. Use the local preference attribute to configure your AS as a non-transit'' AS.
- C. Include a prefix list to only receive routes from neighboring ASs.
- D. include an AS path access list to send routes to the neighboring ASs that only have AS 111 in the AS path field.
Answer: D
NEW QUESTION # 175
Which two data plane hardening techniques are true? (Choose two)
- A. infrastructure ACLs
- B. warning banners
- C. routing protocol authentication
- D. SNMPv3
- E. redundant AAA servers
- F. disable unused services
- G. Control Plane Policing
Answer: A,F
NEW QUESTION # 176
Company XYZ is running BGP as their routing protocol. An external design consultant recommends that TCP path MTU discovery be enabled. Which effect will this have on the network?
- A. It will improve the convergence time.
- B. It will create a loop free path.
- C. It will increase the convergence time.
- D. It will enhance the performance of TCP-based applications.
Answer: D
NEW QUESTION # 177
Which two actions ensure voice quality in a branch location with a low-speed, high-latency WAN connection?
(Choose two.)
- A. Prioritize voice packets
- B. Fragment data packets.
- C. Increase memory branch switch.
- D. Replace any electrical links with optical links
- E. Increase WAN bandwidth
Answer: A,B
NEW QUESTION # 178
Refer to the exhibit.
The enterprise customer wants to stream one-way video from their head office to eight branch offices using multicast. Their current service provider provides a Layer3 VPN solution and manages the CE routers, but they do not currently support multicast. Which solution quickly allows this multicast traffic to go through while allowing for future scalability?
- A. The service provider must provide a Draft Rosen solution to enable a GRE tunnel between nodes PE1 and PE2
- B. Enable a GRE tunnel between nodes CE1 and CE2
- C. Implement hub and spoke MPLS VPN over DMVPN (also known as 2547o DMVPN) between CE1 and CE2
- D. Enable a GRE tunnel between nodes C1 and C4
- E. Enable a GRE tunnel between nodes C2 and C4
Answer: E
NEW QUESTION # 179
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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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