Cisco 400-007 Exam Prep Guide: Prep guide for the 400-007 Exam
2024 New Preparation Guide of Cisco 400-007 Exam
Cisco 400-007 certification exam is a prerequisite for the CCDE certification. To achieve the CCDE certification, candidates must pass both the written and practical exams. The CCDE certification is a prestigious and highly sought-after certification, which can open up new career opportunities for networking professionals. Cisco Certified Design Expert (CCDE v3.0) Written Exam certification is recognized worldwide and is a testament to a candidate’s expertise in designing complex network solutions. By passing the Cisco 400-007 certification exam, candidates can demonstrate their commitment to their profession and their dedication to staying up-to-date with the latest networking technologies.
NEW QUESTION # 45
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. Enable snooping mechanisms on the provider PE routers.
- C. Use a mesh of GRE tunnels to carry the streams between sites
- D. Replace VPLS with a Layer 3 MVPN solution to carry the streams between sites
Answer: B
NEW QUESTION # 46
Which undesired effect of increasing the jitter compensation buffer is true?
- A. The overall transport jitter increases and quality issues can occur.
- B. The overall transport delay increases and quality issues can occur.
- C. The overall transport jitter decreases and quality improves.
- D. The overall transport delay decreases and quality improves.
Answer: B
NEW QUESTION # 47
A network security team uses a purpose-built tool to actively monitor the campus network, applications, and user activity. The team also analyzes enterprise telemetry data from IPFIX data records that are received from devices in the campus network. Which action can be taken based on the augmented data?
- A. reduction in time to detect and respond to threats
- B. adoption and improvement of threat-detection response
- C. integration with an incident response plan
- D. asset identification and grouping decisions
Answer: A
NEW QUESTION # 48
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. access switch pairs explicitly determined to be root and backup root bridges
- B. edge port on access ports
- C. BPDU guard on access ports
- D. root guard on access ports
- E. BPDU guard on the aggregation switch downlinks toward access switches
- F. root guard on the aggregation switch downlinks toward access switches
Answer: B,C
NEW QUESTION # 49
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. Implement a four-channel design on 2.4 GHz to increase the number of available channels
- B. Enable 802.11n channel bonding on both 2.4 GHz and 5 GHz to increase the maximum aggregated cell throughput.
- C. Make use of the 5-GHz band to reduce the spectrum utilization on 2.4 GHz when dual-band clients are used.
- D. Choose a high minimum data rate to reduce the duty cycle.
- E. increases the number of SSlDs to load-balance the client traffic.
Answer: C,D
NEW QUESTION # 50
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 SaaS
- B. Cloud onRamp
- C. Cloud onRamp SWG
- D. Cloud onRamp gateway site
Answer: A
NEW QUESTION # 51
What are two key design principles when using a hierarchical core-distribution-access network model?
(Choose two )
- A. The core layer controls access to resources for security
- B. A hierarchical network design facilitates changes
- C. The core layer provides server access in a small campus.
- D. The core layer is designed first, followed by the distribution layer and then the access layer
- E. A hierarchical network design model aids fault isolation
Answer: B,E
NEW QUESTION # 52
Which Interconnectivity method offers the fastest convergence in the event of a unidirectional issue between three Layer 3 switches connected together with routed links in the same rack in a data center?
- A. Fiber Ethernet connectivity with UDLD enabled
- B. Fiber Ethernet connectivity with BFD enabled
- C. Copper Ethernet connectivity with UDLD enabled
- D. Copper Ethernet connectivity with BFD enabled
Answer: B
NEW QUESTION # 53
Refer to the exhibit.
Company XYZ BGP topology is as shown in the diagram. The interface on the LA router connected toward the 10 1.5.0/24 network is faulty and is going up and down, which affects the entire routing domain. Which routing technique can the network administrator use so that the rest of the network is not affected by the flapping issue?
- A. The LA administrator should use route filtering to block the 10.1.5.0/24 network from getting propagated toward Chicago and New York.
- B. The LA administrator should use route aggregation to summarize the 10 1 4.0/24, 10 1 5 0/24, 10.1.6.0/24, and 10 1 7 0/24 networks toward Chicago
- C. The LA administrator should use route dampening for the 10.1.5 0/24 network so that it does not get propagated when it flaps up and down.
- D. The Chicago administrator should use route filtering to block the 10.1.5.0/24 network from coming in from the LA router.
Answer: B
NEW QUESTION # 54
SDN is still maturing Throughout the evolution of SDN which two things will play a key role in enabling a successful deployment and avoiding performance visibility gaps in the infrastructure? (Choose two.)
- A. dynamic real-time change
- B. rapid on-demand growth
- C. integration of device context
- D. falling back to old behaviors
- E. peer-to-peer controller infrastructure
Answer: A,C
NEW QUESTION # 55
Which two statements explain the operation of BFD asynchronous mode? (Choose two )
- A. BFD asynchronous mode with echo packets uses separate control packets and echo packets.
- B. BFD asynchronous without echo packets has control packets sent back to the originating router, which echoes the control packet to detect failures.
- C. BFD asynchronous mode with echo packets combines the control packets and echo packets into a single packet.
- D. BFD asynchronous mode without echo packets uses control packets, and BFD asynchronous mode with echo packets does not.
- E. BFD asynchronous mode with and without echo packets use control packets.
Answer: A,E
NEW QUESTION # 56
Company XYZ is running SNMPv1 in their network and understands that it has some flaws. They want to change the security design to implement SNMPv3 in the network Which network threat is SNMPv3 effective against?
- A. brute force dictionary attack
- B. masquerade threats
- C. man-in-the-middle attack
- D. DDoS attack
Answer: A
NEW QUESTION # 57
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 # 58
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 dropped due to an unsuccessful RPF check against the multicast source
- C. It is switched due to a successful RPF check against the routing table
- D. It is dropped due to an unsuccessful RPk8t8ck against the multicast receiver.
Answer: C
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 # 59
According to the CIA triad principles for network security design, which principle should be priority for a Zero Trust network?
- A. requirement for data-at-rest encryption foe user identification within the VPN termination hardware
- B. requirement for data-in-motion encryption and 2FA authentication
- C. ensuring that authorized users have high-availability system access from defined zones to defined systems or zones
- D. categorization of systems, data, and enterprise BYOD assets that are connected to network zones based on individual privacy needs
Answer: A
NEW QUESTION # 60
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 dropped due to an unsuccessful RPF check against the multicast source
- B. It is switched give that no RPF check is performed
- C. It is switched due to a successful RPF check against the routing table
- D. It is dropped due to an unsuccessful RPk8t8ck against the multicast receiver.
Answer: A
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 # 61
A network engineering team is in the process of designing a lab network for a customer demonstration. The design engineer wants to show that the resiliency of the MPLS traffic Engineering Fast Reroute solution has the same failover/failback times as a traditional SONET/SDH network (around 50MSEC). In order to address both link failure and node failure within the lab typology network, which type of the MPLS TE tunnels must be considered for this demonstration?
- A. next-next-hop (NNHop) tunnel
- B. Next-hop (NHop) tunnel
- C. TE backup tunnel
- D. FRR Backup tunnel
Answer: A
NEW QUESTION # 62
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 dropped due to an unsuccessful RPF check against the multicast source
- B. It is switched give that no RPF check is performed
- C. It is switched due to a successful RPF check against the routing table
- D. It is dropped due to an unsuccessful RPk8t8ck against the multicast receiver.
Answer: A
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 # 63
Which two statements describe network automation and network orchestration? (Choose two.)
- A. Network orchestration is done through programmatic REST APIs enabling automation across devices and management platforms.
- B. Provisioning network services is an example of network automation.
- C. Network orchestration is used to run single, low-level tasks without human intervention
- D. Network automation does not provide governance or policy management.
- E. Network automation spans multiple network services, vendors, and environments.
Answer: A,D
NEW QUESTION # 64
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 # 65
Company XYZ plans to run OSPF on a DMVPN network. They want to use spoke-to-spoke tunnels in the design What is a drawback or concern in this type of design?
- A. There will be split-horizon issue at the hub
- B. Manual configuration of the spokes with the appropriate priority will be needed
- C. Manual configuration of the spoke IP address on the hub will be needed
- D. Additional host routes will be inserted into the routing tables
Answer: B
NEW QUESTION # 66
A business wants to centralize services via VDI technology and to replace remote WAN desktop PCs with thin client-type machines to reduce operating costs Which consideration supports the new business requirement?
- A. VDI servers should be contained centrally within a DMZ
- B. The thin client traffic should be placed in a WAN QoS priority queue
- C. VDI servers should be contained within dedicated VLANs in each branch location
- D. The WAN should offer low latency and be resized
Answer: D
NEW QUESTION # 67
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 stale consistency
- B. control node reliability
- C. controller clustering
- D. control path reliability
Answer: A
NEW QUESTION # 68
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. dACLs with SGTs
- B. quarantine SGTs
- C. quarantine VLAN
- D. posture assessment with remediation VLAN
Answer: D
NEW QUESTION # 69
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Latest Questions 400-007 Guide to Prepare Free Practice Tests: https://www.pass4training.com/400-007-pass-exam-training.html
400-007 Practice Exam - 330 Unique Questions: https://drive.google.com/open?id=1LgvVBrL04yRqhSLc_LZ8sQzmJlZ3WfpB
