思科认证网络设计工程师CCDA认证考试要点

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　　200-310 DESGN思科互联网络解决方案考试，考试时间为75分钟，共有55-65道与思科CCDA®认证相关的考题。通过200-310 DESGN考试需要具备思科企业网络架构网络设计的基础知识。获得CCDA认证的专业人士能够设计包括涉及为SMB或基础企业园区及分支网络提供LAN/WAN技术的可路由、可交换网络架构及服务。

思科认证网络设计工程师CCDA认证考试要点

　　1.0 Design Methodologies15%

　　1.1 Describe the Cisco Design lifecycle – PBM (plan, build, manage)

　　1.2 Describe the information required to characterize an existing network as part of the planning for a design change

　　1.3 Describe the use cases and benefits of network characterization tools (SNMP, NBAR, NetFlow)

　　1.4 Compare and contrast the top-down and bottom-up design approaches

　　2.0 Design Objectives20%

　　2.1 Describe the importance and application of modularity in a network

　　2.2 Describe the importance and application of hierarchy in a network

　　2.3 Describe the importance and application of scalability in a network

　　2.4 Describe the importance and application of resiliency in a network

　　2.5 Describe the importance and application of concept of fault domains in a network

　　3.0 Addressing and Routing Protocols in an Existing Network20%

　　3.1 Describe the concept of scalable addressing

　　3.1.a Hierarchy

　　3.1.b Summarization

　　3.1.c Efficiency

　　3.2 Design an effective IP addressing scheme

　　3.2.a Subnetting

　　3.2.b Summarization

　　3.2.c Scalability

　　3.2.d NAT

　　3.3 Identify routing protocol scalability considerations

　　3.3.a Number of peers

　　3.3.b Convergence requirements

　　3.3.c Summarization boundaries and techniques

　　3.3.d Number of routing entries

　　3.3.e Impact of routing table of performance

　　3.3.f Size of the flooding domain

　　3.3.g Topology

　　3.4 Design a routing protocol expansion

　　3.4.a IGP protocols (EIGRP, OSPF, ISIS)

　　3.4.b BGP (eBGP peering, iBGP peering

　　4.0 Enterprise Network Design20%

　　4.1 Design a basic campus

　　4.1.a Layer 2/Layer 3 demarcation

　　4.1.b Spanning tree

　　4.1.c Ether channels

　　4.1.d First Hop Redundancy Protocols (FHRP)

　　4.1.e Chassis virtualization

　　4.2 Design a basic enterprise network

　　4.2.a Layer 3 protocols and redistribution

　　4.2.b WAN connectivity

　　4.2.b(i) Topologies (hub and spoke, spoke to spoke, point to point, full/partial mesh)

　　4.2.b(ii) Connectivity methods (DMVPN, get VPN, MPLS Layer 3 VPN, Layer 2 VPN, static IPsec, GRE,VTI)

　　4.2.b(iii) Resiliency (SLAs, backup links, QoS)

　　4.2.c Connections to the data center

　　4.2.d Edge connectivity

　　4.2.d(i) Internet connectivity

　　4.2.d(ii) ACLs and firewall placements

　　4.2.d(iii) NAT placement

　　4.3 Design a basic branch network

　　4.3.a Redundancy

　　4.3.a(i) Connectivity

　　4.3.a(ii) Hardware

　　4.3.a(iii) Service provider

　　4.3.b Link capacity

　　4.3.b(i) Bandwidth

　　4.3.b(ii) Delay

　　5.0 Considerations for Expanding an Existing Network25%

　　5.1 Describe design considerations for wireless network architectures

　　5.1.a Physical and virtual controllers

　　5.1.b Centralized and decentralized designs

　　5.2 Identify integration considerations and requirements for controller-based wireless networks

　　5.2.a Traffic flows

　　5.2.b Bandwidth consumption

　　5.2.c AP and controller connectivity

　　5.2.d QoS

　　5.3 Describe security controls integration considerations

　　5.3.a Traffic filtering and inspection

　　5.3.b Firewall and IPS placement and functionality

　　5.4 Identify traffic flow implications as a result of security controls

　　5.4.a Client access methods

　　5.4.b Network access control

　　5.5 Identify high-level considerations for collaboration (voice, streaming video, interactive video) applications

　　5.5.a QoS (shaping vs. policing, trust boundaries, jitter, delay, loss)

　　5.5.b Capacity

　　5.5.c Convergence time

　　5.5.d Service placement

　　5.6 Describe the concepts of virtualization within a network design

　　5.7 Identify network elements that can be virtualized

　　5.7.a Physical elements (chassis, VSS, VDC, contexts)

　　5.7.b Logical elements (routing elements, tunneling, VRFs, VLANs)

　　5.8 Describe the concepts of network programmability within a network design

　　5.8.a APIs

　　5.8.b Controllers

　　5.8.c Application Centric Infrastructure (ACI)

　　5.9 Describe data center components

　　5.9.a Server load balancing basics

　　5.9.b Blocking vs. non-blocking Layer 2

　　5.9.c Layer 2 extension

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