[Mar-2025] Cisco 400-007 Actual Questions and Braindumps
Pass 400-007 Exam with Updated 400-007 Exam Dumps PDF 2025
Cisco Certified Design Expert (CCDE v3.0) Written certification exam, also known as the 400-007 exam, is a professional-level certification exam designed to validate the skills and knowledge of network design experts. 400-007 exam is intended for individuals who have extensive experience in designing complex networks and are looking to demonstrate their expertise in the field.
NEW QUESTION # 60
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 # 61
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 dropped due to an unsuccessful RPk8t8ck against the multicast receiver.
- D. It is switched due to a successful RPF check against the routing table
Answer: D
NEW QUESTION # 62
A healthcare customer requested that SNMP traps must be sent over the MPLS Layer 3 VPN service. Which protocol must be enabled?
- A. Syslog TLS
- B. Syslog
- C. SNMPv3
- D. SSH
- E. SNMPv2
Answer: C
NEW QUESTION # 63
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 for only multi-site networks
- B. Consider for only new network technologies and components
- C. Consider organization's security policy standards
- D. Consider Business objectives and goals
Answer: C,D
NEW QUESTION # 64
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. HSRP 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 core layer, to otter the possibility to isolate STP domains
- C. at the access layer because the STP root bridge does not need to align with the HSRP active node.
- D. at me aggregation layer because it is the Layer 2 to Layer 3 demarcation point
Answer: D
NEW QUESTION # 65
Refer to the exhibit.
A customer runs OSPF with Area 5 between its aggregation router and an internal router When a network change occurs in the backbone. Area 5 starts having connectivity issues due to the SPF algorithm recalculating an abnormal number of times in Area 5 You are tasked to redesign this network to increase resiliency on the customer network with the caveat that Router B does not support the stub area How can you accomplish this task*?
- A. Set Area 5 to stubby at the ABR anyway
- B. Increase the bandwidth on the connection between Router A and Router B
- C. Create a virtual link to Area 0 from Router B to the ABR
- D. Implement LSA filtering ontheAB, allowing summary routes and preventing more specific routes into Area 5
- E. Turn on LSA throttling on all devices in Area 5
Answer: D
NEW QUESTION # 66
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. Local to global NAT translation is done before policy-based routing
- B. Global to local NAT translation is done after 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 # 67
Company XYZ runs OSPF in their network. A design engineer decides to implement hot-potato routing architecture. How can this implementation be achieved?
- A. Enable iBGP and apply prepend to ensure all prefixes will have the same length of the AS path attribute value.
- B. Redistribute the external prefixes onto OSPF and ensure that the total metric calculation includes external internal values.
- C. Enable OSPF load-balancing over unequal cost path.
- D. Redistribute the external prefixes onto OSPF and ensure the total metric calculation includes only the ext value and the value is the same in all ASBRs.
Answer: B
NEW QUESTION # 68
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. PVSTP+
- B. MST
- C. STP
- D. PVRSTP
Answer: D
NEW QUESTION # 69
Which three items do you recommend for control plane hardening of an infrastructure device? (Choose three.)
- A. warning banners
- B. redundant AAA servers
- C. routing protocol authentication
- D. SNMPv3
- E. Control Plane Policing
- F. to enable unused .services
Answer: C,D,E
NEW QUESTION # 70
Refer to the exhibit.
Which impact of using three or more ABRs between the backbone area and area 1 is true?
- A. In a large-scale network LSA replication by all ABRs can cause serious scalability issues
- B. Prefixes from the non-backbone area are advertised by one ABR to the backbone
- C. In a large-scale network multiple ABRs can create microloops.
- D. Multiple ABRs reduce the CPU processing on each A6R due to splitting prefix advertisement
Answer: A
NEW QUESTION # 71
What is the most important operational driver in building a resilient and secure modular network design?
- A. Dependencies on hardware or software that is difficult to scale
- B. Increase time spent on developing new features
- C. Reduce the frequency of failures requiring human intervention
- D. Minimize app downtime
Answer: D
NEW QUESTION # 72
Company XYZ is designing the IS-IS deployment strategy for their multiarea IS-IS domain. They want IS-IS neighbour relationships to be minimized on each network segment and want to optimize the size of the IS-IS LSDB on each router. Which can design can be used to meet these requirements?
- A. Design the network so that all routers are Level 1 routers
- B. Design the network so that the routers connecting to other areas are Level 2 routers and internal routers are Level 1
- C. Design all routers as Level 2 routers. Set the links between the routers as Level 1 with the area
- D. Design the network so that the routers connecting to other areas are Level 1/Level 2 routers and internal routers are Level 1
Answer: D
NEW QUESTION # 73
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. Cape Town and Mumbai
- B. Santiago and Beijing
- C. Mumbai and Beijing
- D. Cape Town and Beijing
- E. Santiago and Cape Town
- F. Santiago and Mumbai
Answer: A
NEW QUESTION # 74
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. workload
- B. workplace
- C. work domain
- D. workspace
- E. workgroup
Answer: A,B
NEW QUESTION # 75
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. Metro Ethernet
- B. MPLS
- C. DWDM
- D. CWDM
Answer: A
NEW QUESTION # 76
Which development model is closely associated with traditional project management?
- A. static model
- B. evolutionary delivery model
- C. lifecycle model
- D. Agile model
Answer: C
NEW QUESTION # 77
Company XYZ has a new network based on IPv6. Some of the subnets that they are planning to use will be confidential and need an addressing scheme that confines them to the local campus network. Which type of IPv6 addresses can be used for these networks in the IPv6 addressing design?
- A. unique local addresses
- B. local addresses
- C. link-local addresses
- D. private addresses
Answer: A
NEW QUESTION # 78
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. control node reliability
- B. control path reliability
- C. controller clustering
- D. controller stale consistency
Answer: D
NEW QUESTION # 79
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 is not recommended on BGP Route Reflectors
- B. Networks advertised within the LSPs of the respective node will become unreachable
- C. It can be set on a router until other interacting protocols have signaled convergence.
- D. It can be set on a router during the startup process for a fixed period of time
- E. It forces the midpoint MPLS-TE node to reoptimize the primary tunnels going through the OL node.
Answer: C,D
NEW QUESTION # 80
Refer to the diagram.
Which solution must be used to send traffic from the foreign wireless LAN controller to the anchor wireless LAN controller?
- A. Send packets without encapsulation to the anchor controller over the routed network.
- B. Send packets from the foreign controller to the anchor controller via Layer 3 MPLS VPN or VRF-Lite
- C. Encapsulate packets into an EoIP tunnel and send them to the anchor controller.
- D. Send packets from the foreign controller to the anchor controller via IPinIP or IPsec tunnel.
Answer: C
NEW QUESTION # 81
An enterprise wants to provide low-cost delivery of network systems that can be scaled on business demand, followed by an initiative to reduce capital expenses for new IT equipment. Which technology meets these goals'?
- A. SaaS within an on-premises location
- B. laaS within a private cloud
- C. PaaS within a public cloud
- D. laaS within an on-premises location
Answer: C
NEW QUESTION # 82
Which action must be taken before new VoIP systems are implemented on a network to ensure that the network is ready to handle the traffic?
- A. security
C scalability - B. high latency
- C. low bandwidth
Answer: C
NEW QUESTION # 83
An enterprise has identified these causes for inefficient CAPEX spending:
CAPEX planning is driven by technology and not by business objectives.
The CAPEX planning team lacks the data it needs to perform due diligence tasks.
The organizational structure lacks sufficient accountability and incentives.
Which corporate cultural change contributes to improving the effectiveness of CAPEX spending?
- A. Marketing and product management divisions must reduce their CAPEX budgets significantly to drive the change.
- B. CxO-level staff must have a full technical understanding but the should not trust their technical leaders fully.
- C. Build a financial control function that delivers high-quality reports on operational expenses for business insight and financial reporting.
- D. Adopt new organizational models that promote real accountability for ROI. not just revenue. EBITDA, and cash.
Answer: C
NEW QUESTION # 84
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Cisco 400-007 exam covers a wide range of topics, including network architecture, design principles, network security, network virtualization, and network automation. 400-007 exam also covers various Cisco technologies, such as routing and switching protocols, network management tools, and network security solutions. Passing 400-007 exam is an excellent way for network architects, engineers, and consultants to demonstrate their expertise in designing complex network infrastructures using Cisco technologies and protocols.
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