400-007 Certification Overview - [Jan 08, 2024] Latest 400-007 PDF Dumps
The Best Cisco 400-007 Study Guides and Dumps of 2024
Cisco 400-007 exam is a challenging but rewarding certification for IT professionals who want to become Cisco Certified Design Experts. It tests the candidate's knowledge and skills in designing complex networks, providing solutions for network infrastructure, and implementing advanced technologies. Passing the exam requires extensive preparation and a deep understanding of network design principles and advanced networking technologies, but it is well worth the effort for those who want to advance their careers in the networking field.
NEW QUESTION # 62
Which extensions to GRE tunneling provide session tracking and in-order packet delivery in exchange for additional state stored in tunnel endpoints?
- A. GRE Protocol Type and Checksum extension fields.
- B. GRE Version and Reserved0 extension fields.
- C. No extension fields are available in the GRE header to track session data and packet sequences.
- D. GRE Key and Sequence number extensions.
Answer: D
NEW QUESTION # 63
Which two actions ensure voice quality in a branch location with a low-speed, high-latency WAN connection? (Choose two.)
- A. Replace any electrical links with optical links
- B. Increase memory branch switch.
- C. Fragment data packets.
- D. Prioritize voice packets
- E. Increase WAN bandwidth
Answer: C,D
NEW QUESTION # 64
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. traffic policing
- B. WRED
- C. tail drop
- D. traffic shaping
Answer: D
Explanation:
Traffic Shaping does help with congestion and better bandwidth utilization over the WAN.
NEW QUESTION # 65
Which design consideration is valid when you contrast fabricPath and trill?
- A. FabricPath Permits ECMP, but TRILL does not
- B. FabricPath permits active-active mode, but TRILL supports only active-standby mode.
- C. FabricPath permits active-active FHRP and TRILL support anycast gateway.
- D. FabricPath uses IS-IS, but TRILL uses VxLAN
Answer: C
NEW QUESTION # 66
An engineer is designing the QoS strategy for Company XYZ. Based on initial analysis, a lot of scavenger type of traffic is traversing the network's 20Mb Internet link toward the service provider. The new design must use a QoS technique that limits scavenger traffic to 2 Mbps, which helps avoid oversubscription of the link during times of congestion. Which QoS technique can be used to facilitate this requirement?
- A. CBWFQ
- B. class-based traffic shaping
- C. LLQ
- D. class-based traffic policing
Answer: A
NEW QUESTION # 67
Which two data plane hardening techniques are true? (Choose two)
- A. redundant AAA servers
- B. SNMPv3
- C. warning banners
- D. Control Plane Policing
- E. routing protocol authentication
- F. disable unused services
- G. infrastructure ACLs
Answer: F,G
NEW QUESTION # 68
Which two conditions must be met for EIGRP to maintain an alternate loop-free path to a remote network?
(Choose two.)
- A. The Feasible Distance from a successor is lower than the local Reported Distance.
- B. A feasible successor must be present.
- C. The feasibility condition does not need to be met.
- D. The Reported Distance from a successor is lower than the local Feasible Distance.
- E. The Reported Distance from a successor is higher than the local Feasible Distance.
Answer: B,D
NEW QUESTION # 69
Which feature is supported by NETCONF but is not supported by SNMP?
- A. changing the configuration of specific fields
- B. taking administrative actions
- C. distinguishing between configuration data and operational data
- D. collecting the status of specific fields
Answer: C
NEW QUESTION # 70
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 # 71
Which main IoT migration aspect should be reviewed for a manufacturing plant?
- A. Wi-Fi Infrastructure
- B. Ethernet Switches
- C. Security
- D. Sensors
- E. Applications
Answer: D
NEW QUESTION # 72
Company XYZ branch offices connect to the headquarter sites using two links, MPLS and Internet. The company wants to design the traffic flow so that voice traffic goes through the MPLS link and all other traffic uses either the MPLS link or the Internet link. Which technique can the company use in their design to ensure that the traffic is not process switched?
- A. policy-based routing
- B. virtual links
- C. visualization
- D. floating static route
Answer: A
NEW QUESTION # 73
An enterprise campus is adopting a network virtualization design solution with these requirements It must include the ability to virtualize the data plane and control plane by using VLANs and VRFs It must maintain end-to-end logical path transport separation across the network resources available grouped at the access edge Which two primary models can this network virtualization design be categorized? (Choose two)
- A. Group virtualization
- B. Session isolation
- C. Services virtualization
- D. Path isolation
- E. Edge isolation
Answer: C,D
NEW QUESTION # 74
In an OSPF network with routers connected together with Ethernet cabling, which topology typically takes the longest to converge?
- A. ring
- B. full mesh
- C. triangulated
- D. partial mesh
- E. squared
Answer: B
NEW QUESTION # 75
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 Beijing
- B. Santiago and Beijing
- C. Mumbai and Beijing
- D. Cape Town and Mumbai
- E. Santiago and Mumbai
- F. Santiago and Cape Town
Answer: D
NEW QUESTION # 76
You want to mitigate failures that are caused by STP loops that occur before UDLD detects the failure or that are caused by a device that is no longer sending BPDUs. Which mechanism do you use along with UDLD?
- A. Loop guard
- B. BPDU guard
- C. Root guard
- D. BPDU filtering
Answer: A
NEW QUESTION # 77
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 can be set on a router during the startup process for a fixed period of time
- B. It forces the midpoint MPLS-TE node to reoptimize the primary tunnels going through the OL node.
- C. It is not recommended on BGP Route Reflectors
- D. It can be set on a router until other interacting protocols have signaled convergence.
- E. Networks advertised within the LSPs of the respective node will become unreachable
Answer: A,D
NEW QUESTION # 78
SD-WAN can be used to provide secure connectivity to remote offices, branch offices, campus networks, data centers, and the cloud over any type of IP-based underlay transport network. Which two statements describe SD WAN solutions? (Choose two.)
- A. Control and data forwarding planes are kept separate.
- B. Solutions include centralized orchestration, control, and zero-touch provisioning.
- C. Solutions allow for variations of commodity and specialized switching hardware.
- D. SD-WAN networks are inherently protected against slow performance.
- E. Improved operational efficiencies result In cost savings.
Answer: A,B
NEW QUESTION # 79
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 # 80
While designing a switched topology, in which two options is UplinkFast recommended? (Choose two )
- A. on access layer switches
- B. when hello timers are changed to more aggressive values
- C. when switches of different spanning-tree types are connected (for example. 802.1d connecting to 802.1w)
- D. on the core switches
- E. on distribution layer switches
Answer: A,C
NEW QUESTION # 81
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. TE backup tunnel
- B. FRR Backup tunnel
- C. Next-hop (NHop) tunnel
- D. next-next-hop (NNHop) tunnel
Answer: D
NEW QUESTION # 82
How must the queue sizes be designed to ensure that an application functions correctly?
- A. Each individual device queuing delay in the chain must be less than or equal to the application required delay.
- B. The sum of the queuing delay of all devices plus serialization delay in the chain must be less than or equal to the application required delay.
- C. The queuing delay on every device in the chain must be exactly the same to the application required delay.
- D. The default queue sizes are good for any deployment as it compensates the serialization delay.
Answer: B
NEW QUESTION # 83
Which effect of using ingress filtering to prevent spoofed addresses on a network design is true?
- A. It Classifies bogon traffic and remarks it with DSCP bulk.
- B. It protects the network Infrastructure against spoofed DDoS attacks.
- C. It filters RFC 1918 IP addresses.
- D. It reduces the effectiveness of DDoS attacks when associated with DSCP remarking to Scavenger.
Answer: B
NEW QUESTION # 84
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 # 85
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 spanning-tree PortFast.
- B. Use switch clustering in the access layer.
- C. Use switch clustering in the core/distribution layer.
- D. Use BFD.
Answer: C
NEW QUESTION # 86
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The CCDE certification program is intended for professionals with extensive experience in network design and architecture. Cisco Certified Design Expert (CCDE v3.0) Written Exam certification is recognized globally as a mark of expertise in this field, and it is highly regarded by organizations looking to hire network designers and architects. The CCDE certification program is designed to help professionals develop the skills and knowledge needed to design and implement complex network infrastructure solutions.
Cisco 400-007 exam is a highly specialized certification exam that validates the skills of network design professionals. It tests candidates on their ability to design complex networks and provide solutions to real-world problems. Candidates preparing for the exam should have a deep understanding of network design principles, protocols, and technologies, as well as hands-on experience designing and implementing network solutions.
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