400-007トレーニング、400-007合格問題

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Cisco 400-007 Exam Syllabus Topics:

Section	Objectives
Infrastructure Design (Layer 2 / Layer 3)	- Layer 2 technologies 1. Ethernet scaling and segmentation 2. Spanning Tree design considerations - Layer 3 design 1. IGP selection and design 2. IP addressing and summarization
Multicast and Advanced Services	- Network services 1. QoS design principles 2. Security integration in design - Multicast design 1. Multicast distribution models 2. PIM architecture and scaling
Routing and Path Control	- Routing protocol design 1. BGP policy and scalability 2. OSPF / IS-IS architecture - Traffic engineering 1. Path optimization techniques 2. Policy-based routing considerations
Network Design Methodology and Principles	- Design lifecycle and methodology 1. Design phases and validation approaches 2. Trade-off analysis techniques - Requirements gathering and analysis 1. Stakeholder requirements mapping 2. Business and technical constraints
End-to-End Enterprise Architecture Scenarios	- Service integration 1. Hybrid connectivity design 2. Migration and transformation strategies - Large-scale enterprise design 1. High availability and redundancy 2. Scalability and resiliency trade-offs
MPLS and VPN Architectures	- MPLS fundamentals 1. MPLS scalability design 2. Label switching architecture - VPN design 1. Multi-site connectivity strategies 2. L3VPN and L2VPN design models

>> 400-007トレーニング <<

Cisco 400-007合格問題、400-007試験合格攻略

Jpshikenの経験豊富な専門家チームはCiscoの400-007認定試験に向かって専門性の問題集を作って、とても受験生に合っています。Jpshikenの商品はIT業界中で高品質で低価格で君の試験のために専門に研究したものでございます。

Cisco Certified Design Expert (CCDE) Written Exam 認定 400-007 試験問題 (Q296-Q301):

質問 # 296
Company XYZ is in the process of identifying which transport mechanism(s) to use as their WAN technology. Their main two requirements are:
* A technology that could offer DPI, SLA, secure tunnels, privacy, QoS, scalability, reliability, and ease of management.
* A technology that is cost-effective.
Which WAN technology(ies) should be included in the design of company XYZ?

A. Software-defined WAN should be the preferred choice because it complements both technologies, covers all the required features, and it is the most cost-effective solution.
B. MPLS meets all these requirements and it is more reliable than using the Internet. It is widely used with defined best practices and an industry standard.
C. Internet should be the preferred option because it is cost-effective and supports BFD, IP SLA, and IPsec for secure transport over the public Internet.
D. Both technologies should be used. Each should be used to back up the other one; where the primary links are MPLS, the Internet should be used as a backup link with IPsec (and vice versa).

正解：A

解説：
* SD-WAN integrates multiple underlay transport options (Internet, MPLS, LTE) while delivering advanced features like DPI (Deep Packet Inspection), SLA monitoring, QoS, encryption, scalability, and centralized management.
* It provides policy-based path selection, cost optimization, and rapid deployment.
* SD-WAN is widely regarded as a modern WAN design solution fully aligned with CCDE v3.1 design principles for cost-effective and flexible WAN architectures.
Why other options are incorrect:
* B: Internet alone cannot deliver consistent SLA or QoS guarantees.
* C: Hybrid MPLS + Internet may work but is more complex and costly; SD-WAN natively supports such hybrid models.
* D: MPLS offers SLAs but lacks flexibility, DPI, and cost-effectiveness compared to SD-WAN.
-

質問 # 297

Refer to the exhibit A company has a hybrid cloud architecture with two on-premises data centers that connect to a public cloud service provider by using direct connect and eBGP routing. Encryption is unsupported by the cloud service provider, so the company plans to use an IPsec overlay network over its direct connects. Two virtual network appliances will be installed in the cloud infrastructure to establish tunnels and perform routing The company chose OSPF as the overlay routing protocol because the operations team is familiar with the protocol and because OSPF is the IGP on the on-premises network. The cloud network must be as isolated as possible from the on-premises network. What must be used for the OSPF overlay connectivity ?

A. different OSPF area. NVA as the ABR
B. different OSPF area. Cloud Edge as the ABR
C. different OSPF instance. NVA as the ASBR
D. different OSPF instance. Cloud Edge as the ASBR

正解：D

質問 # 298
What are two advantages of controller-based networks versus traditional networks? (Choose two.)

A. More consistent device configuration
B. The ability to have forwarding tables at each device
C. More flexible configuration per device
D. Programmatic APIs that are available per device
E. The ability to configure the features for the network rather than per device

正解：A、E

解説：
* C (More consistent device configuration):Centralized control allows uniform policy application, eliminating configuration drift across devices.
* E (Configure features at network-level rather than device-level):Controller-based networks abstract network services from individual devices, enabling network-wide configuration from a single source of truth.
Other options explained:
* A: Forwarding tables still exist in both architectures.
* B: Traditional networks offer per-device flexibility; controllers abstract this.
* D: APIs are usually provided at controller level, not per device.

質問 # 299
Network operators have many options available, from fully centralized to fully distributed control planes, and each approach has its own set of characteristics. Drag and drop the characteristics from the left onto the corresponding approach on the right.

正解：

解説：

質問 # 300
Which two control plane policer designs must be considered to achieve high availability? (Choose two.)

A. Control plane policers are enforced in hardware to protect the software path, but they are hardware platform dependent in terms of classification ability.
B. Control plane policers can cause the network management systems to create false alarms.
C. Control plane policers require that adequate protocol overheads are factored in to allow protocol convergence.
D. Control plane policers must be processed before a forwarding decision is made.
E. Control plane policers are really needed only on externally facing devices.

正解：A、C

解説：
* A: On most hardware platforms, control plane protection is implemented in hardware to safeguard CPU resources from overload due to excessive control traffic.
* E: Control plane policing must be carefully sized to allow sufficient protocol traffic (OSPF, BGP, etc.) during normal and convergence periods to ensure stability.
Why other options are incorrect:
* B: Policing should be applied universally, not just on external interfaces.
* C: False alarms are operational issues but not design considerations.
* D: Control plane policers are applied after forwarding decisions for traffic destined to the router CPU.
-

質問 # 301
......

そうでなければ、時代遅れになるリスクを負います。当社の400-007認定テストは、技術スキルを向上させ、さらに重要なこととして、厳しい労働環境で明るい未来のために戦う自信を高めるのに役立ちます。当社の専門家は、400-007学習ツールの開発に多くの時間とエネルギーを費やしています。あなたは私たちを信頼し、あなたの将来の発展において私たちをあなたの正直な協力者にすることができます。参考までに、400-007試験の利点をいくつかご紹介します。

400-007合格問題: https://www.jpshiken.com/400-007_shiken.html

P.S.JpshikenがGoogle Driveで共有している無料の2026 Cisco 400-007ダンプ：https://drive.google.com/open?id=1XmNTUpyU-R8hvSsMOiFhcA1nTla_sObJ