[2024] Pass Cisco 400-007 Exam Updated 302 Questions
Get 2024 Updated Free Cisco 400-007 Exam Questions and Answer
Cisco 400-007 exam is a challenging certification test designed for experienced network designers and architects who want to demonstrate their advanced knowledge and skills in network design principles, methodologies, and best practices. 400-007 exam is part of the CCDE (Cisco Certified Design Expert) certification program, which focuses on expert-level network design and engineering skills. The CCDE certification is widely recognized as one of the most prestigious and sought-after credentials in the networking industry, and passing the 400-007 exam is a key step towards achieving this certification.
Cisco 400-007 exam is a highly respected certification exam for network designers who wish to validate their skills and knowledge in designing complex network infrastructures. It is a challenging exam that requires candidates to have several years of experience in the field. However, passing the exam can open up several job opportunities and help professionals advance their careers in the networking industry.
The CCDE certification is recognized as one of the most prestigious certifications in the networking industry. It is designed for senior-level network architects, engineers, and designers who are responsible for designing, implementing, and managing large-scale networks. The CCDE certification is focused on network design principles and best practices, and it covers a wide range of topics related to network design, including network architecture, protocols, security, and scalability.
NEW QUESTION # 30
What is a description of a control plane action?
- A. matching the destination IP address of an IP packet to the IP routing table
- B. hosts locating routers that reside on attached links using the IPv6 Neighbor Discover Protocol
- C. matching the destination MAC address of an Ethernet frame to the MAC address table
- D. de-encapsulating and re-encapsulating a packet in a data-link frame
Answer: B
NEW QUESTION # 31
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 the destination IP address 0.0.0.0.
- B. IP packets with identical source and destination IP addresses
- C. IP packet with the multicast IP destination address
- D. IP packets with broadcast IP source addresses
- E. IP packets with the multicast IP source address
- F. Fragmented packet with the do-not-fragment bit set
Answer: B
NEW QUESTION # 32
You are designing a network running both IPv4 and IPv6 to deploy QoS Which consideration is correct about the QoS for IPv4 and IPv6?
- A. Different congestion management mechanisms need to be used for IPv4 and IPv6 traffic types
- B. IPv6 packet classification is only available with process switching, whereas IPv4 packet classification is available with both process switching and CEF.
- C. IPv4 and IPv6 traffic types can use use queuing mechanisms such as LLQ, PQ and CQ.
- D. IPv6 and IB/4 traffic types can use a single QoS policy to match both protocols
Answer: D
NEW QUESTION # 33
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. Increase bandwidth between the core routers
- B. Increase the memory on the distribution routers
- C. Increase the memory on the core routers
- D. Implement e BGP between the core and distribution routers
- E. Implement route reflectors on the two core routers
Answer: E
NEW QUESTION # 34
Which mechanism enables small, unmanaged switches to plug into ports of access switches without risking switch loops?
- A. Root guard
- B. BPDU guard
- C. PortFast
- D. UDLD
Answer: B
NEW QUESTION # 35
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. CWDM over dark fiber
- B. DWDM over dark fiber
- C. MPLS
- D. Metro Ethernet
Answer: D
NEW QUESTION # 36
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 geographically dispersed dual data centers via MPLS
- B. asynchronous replication over dual data centers via DWDM
- C. synchronous replication over dual data centers via Metro Ethernet
- D. asynchronous replication over geographically dispersed dual data centers via CWDM
Answer: C
NEW QUESTION # 37
Which three elements help network designers to construct secure systems that protect information and resources (such as devices, communication, and data) from unauthorized access, modification, inspection, or destruction? (Choose three.)
- A. serviceability
- B. confidential
- C. scalability
- D. integrity
- E. availability
- F. reliability
Answer: B,D,E
NEW QUESTION # 38
Which two features describe controller-based networking solutions compared to traditional networking solutions? (Choose two.)
- A. reduce network configuration complexity
- B. allow for fewer network failures
- C. provide centralization of primary IT functions
- D. inflate licensing costs
- E. increase network bandwidth usage
Answer: A,C
NEW QUESTION # 39
While designing a switched topology, in which two options is UplinkFast recommended? (Choose two )
- A. when switches of different spanning-tree types are connected (for example. 802.1d connecting to
802.1w) - B. on access layer switches
- C. on distribution layer switches
- D. when hello timers are changed to more aggressive values
- E. on the core switches
Answer: A,B
NEW QUESTION # 40
Company XYZ, a global content provider, owns data centers on different continents Their data center design involves a standard three-layer design with a Layer 3-only core VRRP is used as the FHRP They require VLAN extension across access switches in all data centers, and they plan to purchase a Layer 2 interconnection between two of their data centers in Europe in the absence of other business or technical constraints which termination point is optimal for the Layer 2 interconnection?
- A. at the core layer because all external connections must terminate there for security reasons
- B. at the aggregation layer because it is the Layer 2 to Layer 3 demarcation point
- C. at the core layer, to offer the possibility to isolate STP domains
- D. at the access layer because the STP root bridge does not need to align with the VRRP active node
Answer: B
NEW QUESTION # 41
A European national bank considers migrating its on-premises systems to a private cloud offering in a non-European location to significantly reduce IT costs. What is a primary factor prior to migration?
- A. cloud connectivity
- B. security
- C. additional latency
- D. data governance
Answer: B
NEW QUESTION # 42
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. VDI servers should be contained within dedicated VLANs in each branch location
- C. The WAN should offer low latency and be resized
- D. The thin client traffic should be placed in a WAN QoS priority queue
Answer: C
NEW QUESTION # 43
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. LFA
- B. route summarization
- C. policy-based routing
- D. unequal-cost load balancing using variance
Answer: C
NEW QUESTION # 44
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. DPP
- B. MPP
- C. CoPP
- D. CPPr
Answer: D
NEW QUESTION # 45
Which parameter is the most important factor to consider when deciding service placement in a cloud solution?
- A. application structure
- B. data replication cost
- C. data confidentiality rules
- D. security framework Implementation time
Answer: C
NEW QUESTION # 46
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. Enable a GRE tunnel between nodes C2 and C4
- 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. The service provider must provide a Draft Rosen solution to enable a GRE tunnel between nodes PE1 and PE2
Answer: A
NEW QUESTION # 47
Which two statements describe the usage of the IS-IS overload bit technique? (Choose two )
- A. It can be set in intermediate systems (IS-IS routers) to prioritize control plane CSNP packets.
- B. It can be set in intermediate systems (IS-IS routers) to avoid traffic black holes until routing protocols are fully converged after a reload operation.
- C. It can be set in intermediate systems (IS-IS routers) to attract transit traffic from other intermediate systems
- D. It can be used to automatically synchronize the link-state database between Level 1 intermediate systems
- E. lf overload-bit is set on a Level 2 intermediate system, the other Level 2 intermediate systems in the topology will stop using the overloaded IS to forward Level 2 traffic However, the intermediate system can still forward Level 1 traffic
Answer: B,E
NEW QUESTION # 48
A healthcare provider discovers that protected health information of patients was altered without patient consent. The healthcare provider is subject to HIPAA compliance and is required to protect PHI dat a. Which type of security safeguard should be implemented to resolve this issue?
- A. technical and physical access control
- B. technical integrity and transmission security
- C. physical device and media control
- D. administrative security management processes
Answer: B
Explanation:
https://www.cisco.com/en/US/docs/solutions/Enterprise/Compliance/HIPAA/HIP_AppC.html#wp1085353
NEW QUESTION # 49
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. WRED
- B. traffic policing
- C. traffic shaping
- D. tail drop
Answer: C
Explanation:
Traffic Shaping does help with congestion and better bandwidth utilization over the WAN.
NEW QUESTION # 50
Company XYZ has implemented policy-based routing in their network. Which potential problem must be kept in mind about network reconvergence and PBR?
- A. It reduces convergence time.
- B. It increases convergence time.
- C. It can limit network scalability
- D. It can create microloops during reconvergence
Answer: D
NEW QUESTION # 51
Which best practice ensures data security in the private cloud?
- A. Use IPsec for communication between unsecured network connection
- B. Anonymize data ownership to comply with privacy rules.
- C. Encrypt data at rest and in transition.
- D. Use the same vendor for consistent encryption.
Answer: C
NEW QUESTION # 52
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 # 53
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