Cisco 400-007 Exam Prep Guide: Prep guide for the 400-007 Exam
2023 New Preparation Guide of Cisco 400-007 Exam
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.
NEW QUESTION # 121
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 # 122
A multicast network is sing Bidirectional PIM. Which two combined actions achieve high availability so that two RPs within the same network can act in a redundant manner? (Choose two)
- A. Manipulate the administration distance of the unicast routes to the two RPs
- B. Control routing to the two RPs through a longest match prefix
- C. Advertise the two RP addresses in the routing protocol
- D. Use anycast RP based on MSDP peering between the two RPs
- E. Manipulate the multicast routing table by creating static mroutes to the two RPs
- F. Use two phantom RP addresses
Answer: B,F
Explanation:
https://community.cisco.com/t5/networking-knowledge-base/rp-redundancy-with-pim-bidir-phantom-rp/ta-p/3117191
NEW QUESTION # 123
Which relationship between IBGP and the underlying physical topology is true?
- A. iBGP does not work on a ring network topology even with an underlying IGP.
- B. iBGP can worn only on a ring network topology with a link-state protocol like OSPF or IS-IS
- C. iBGP full mesh requires an underlying fully meshed network topology.
- D. iBGP full mesh requirement does not dictate any specific network topology.
Answer: D
NEW QUESTION # 124
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. CWDM
- B. Metro Ethernet
- C. MPLS
- D. DWDM
Answer: B
NEW QUESTION # 125
While designing a switched topology, in which two options is UplinkFast recommended? (Choose two )
- A. on distribution layer switches
- B. on access layer switches
- C. when switches of different spanning-tree types are connected (for example. 802.1d connecting to 802.1w)
- D. when hello timers are changed to more aggressive values
- E. on the core switches
Answer: B,C
NEW QUESTION # 126
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. access
- C. distribution
- D. collapsed core
Answer: B
NEW QUESTION # 127
Which design solution reduces the amount of IGMP state in the network?
- A. IGMPv3 with PIM-SSM
- B. one multicast group address thorough network regardless of IGMP version
- C. multiple multicast domains
- D. IGMP filtering
Answer: D
NEW QUESTION # 128
Refer to the exhibit.
An engineer is designing the traffic flow for AS 111. Traffic from AS 111 should be preferred via AS 100 for all external routes. A method must be used that only affects AS 111. Which BGP attributes are best suited to control outbound traffic?
- A. MED
- B. local preference
- C. community
- D. As path
Answer: B
NEW QUESTION # 129
Which three tools are used for ongoing monitoring and maintenance of a voice and video environment? (Choose three.)
- A. flow-based analysis to measure bandwidth mix of applications and their flows
- B. call management analysis to identify network convergence-related failures
- C. passive monitoring via synthetic probes to measure loss, latency, and jitter
- D. call management analysis to identify CAC failures and call quality issues
- E. flow-based analysis with PTP time-stamping to measure loss, latency, and jitter
- F. active monitoring via synthetic probes to measure loss, latency, and jitter
Answer: A,D,F
NEW QUESTION # 130
Which two technologies enable multilayer segmentation? (Choose two.)
- A. policy-based routing
- B. data plane markings
- C. firewalls
- D. filter lists
- E. segment routing
Answer: A,C
NEW QUESTION # 131
Your network operations team is deploying Access Control Lists (ACLs) across your Internet gateways They wish to place an ACL inbound on the Internet gateway interface facing the core network (the "trusted" interface). Which IP address would the ACL need for traffic sourced from the inside interface, to match the source address of the traffic?
- A. outside global
- B. outside local
- C. inside local
- D. inside global
Answer: C
NEW QUESTION # 132
Which technology supports antispoofing and does not have any impact on encryption performance regardless of packet size?
- A. DHCP snooping with DAI
- B. IP source guard
- C. IPsec
- D. MACsec
Answer: D
NEW QUESTION # 133
Which development model is closely associated with traditional project management?
- A. static model
- B. evolutionary delivery model
- C. Agile model
- D. lifecycle model
Answer: B
NEW QUESTION # 134
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 access layer because the STP root bridge does not need to align with the HSRP active node.
- B. at the core layer because all external connections must terminate there for security reasons
- C. at me aggregation layer because it is the Layer 2 to Layer 3 demarcation point
- D. at the core layer, to otter the possibility to isolate STP domains
Answer: C
NEW QUESTION # 135
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 multiple ABRs can create microloops.
- B. Prefixes from the non-backbone area are advertised by one ABR to the backbone
- C. In a large-scale network LSA replication by all ABRs can cause serious scalability issues
- D. Multiple ABRs reduce the CPU processing on each A6R due to splitting prefix advertisement
Answer: C
NEW QUESTION # 136
A senior network designer suggests that you should improve network convergence times by reducing BGP timers between your CE router and the PE router of the service provider. Which two factors should you consider to adjust the timer values? (Choose two.)
- A. service provider scheduling of changes to the PE
- B. number of VRFs on the PE router
- C. manual updates to the peer groups
- D. number of routes on the CE router
- E. service provider agreement to support tuned timers
Answer: D,E
NEW QUESTION # 137
What best describes the difference between Automation and Orchestration?
- A. Automation refers to scripting languages (Python. Ansible etc.) and Orchestration refers to commercial products that control configuration deployment
- B. Automation describes a hands-off configuration process while Orchestration refers to sets of automation tasks that require the network administrator to coordinate
- C. Automation refers to an automatic process for completing multiple tasks with conditions and Orchestration refers to executing tasks in parallel.
- D. Automation refers to an automatic process for completing a single task and Orchestration refers to assembling and coordinating a set of tasks and conditions.
Answer: D
NEW QUESTION # 138
The controller has a global view of the network, and it can easily ensure that the network is in a consistent and optimal configuration. Which two statements describe a centralized SDN control path? (Choose two.)
- A. Integrating smart NIC capabilities on the local host level is made easier through rest APIs.
- B. It significantly improves the latency when performing reactive handling of PACKET_IN events.
- C. Scaling of the centralized controller cluster is challenging for services like DHCP and load-balancing.
- D. It is highly-available by design with no single-point-of-failure risks present.
- E. It centralized controller can support all southbound APIs, which allows for easy integration with legacy equipment.
Answer: C,E
NEW QUESTION # 139
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 # 140
Which two actions must be taken when assessing an existing wireless network implementation for its readiness to support voice traffic? (Choose two.)
- A. Check for latency over wireless.
- B. Check for uniform radio coverage across the floors.
- C. Check for high channel utilization.
- D. Identify frequent TX power changes.
- E. Check for high roaming delay.
Answer: C,E
Explanation:
https://community.cisco.com/t5/wireless/channel-utilization/td-p/2716667
NEW QUESTION # 141
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