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CCNP认证（思科认证网络专业人员）表示通过认证的人员具有丰富的网络知识。获得CCNP认证的专业人员可以为具有100到500多个节点的大型企业网络安装、配置和运行LAN、WAN和拔号访问业务。他们可以使用的协议包括（但不限于）：IP, IGRP, IPX, Async Routing, AppleTalk, Extended Access Lists, IP RIP, Route Redistribution, RIP, Route Summarization, OSPF, VLSM, BGP, Serial, Frame Relay, ISDN, ISL, X.25, DDR, PSTN, PPP, VLAN, Ethernet, Access Lists, 802.10, FDDI, Transparent 和Translational Bridging.
CCNP处于思科认证层次中的第二层，CCNP是在CCNA的基础之上的一项思科职业资格认证，获得CCNP资格的专业人员将具有100到500多个节点的大型企业网络安装、配置和运行LAN、WAN及拔号访问业务的能力。
获得CCNP证书,需要满足如下条件:
1.必须有CCNA证书
2.必须通过CCNP考试
而通过CCNP考试,可以通过两种途径:
642-892是BSCI和BCMSN的综合考试科目,难度相对较大,但是节省了考生的成本.如果准备充分,那么完全可以选择该方式来获取CCNP证书.4月初,VUE考试中心的642-892题库近期已经全部更新,pass4sure对此做出了同步更新.
如果需要更详细的了解该科目,请登陆:www.pass4sure.com/642-892.html.
以下是该考试的一些基本信息
Exam Number: 642-892
Associated Certifications: CCNP . CCDP
Duration: 120minutes(非英语母语国家,增加30分钟)
Available Languages: English
考试题数: 66 (以前为64道)
试642-892是您获取思科CCNP认证所必须参加的指定考试之一。Pass4sure已经根据变化完成了642-892的更新，确保642-892考題的覆蓋率始終都在95％以上，您可以放心使用。
以下是642-892的考试大纲:
The following information provides general guidelines for the content likely to be included on the exam. However, other related topics may also appear on any specific delivery of the exam. In order to better reflect the contents of the exam and for clarity purposes the guidelines below may change at any time without notice.
Implement EIGRP operations
• Explain the functions and operations of EIGRP (e.g., DUAL)
• Configure EIGRP routing. (e.g., Stub Routing, authentication, etc.)
• Verify or troubleshoot EIGRP routing configurations
Implement multi-area OSPF operations
• Explain the functions and operations of multiarea OSPF
• Configure multiarea OSPF routing. (e.g., Stub, NSSA, authentication, etc.)
• Verify or troubleshoot multiarea OSPF routing configurations
Describe integrated IS-IS
• Describe the features and benefits of integrated IS-IS
• Configure and verify integrated IS-IS
Implement Cisco IOS routing features
• Describe, configure or verify route redistribution between IP routing IGPs. (e.g., route-maps, default routes, etc.)
• Describe, configure or verify route filtering (i.e., distribute-lists and passive interfaces)
• Describe and configure DHCP services (e.g., Server, Client, IP helper address, etc.)
Implement BGP for enterprise ISP connectivity
• Describe the functions and operations of BGP
• Configure or verify BGP operation in a non-transit AS (e.g., authentication)
• Configure BGP path selection. (i.e., Local Preference, AS Path, Weight or MED attributes)
Implement multicast forwarding
• Describe IP Multicast (e.g., Layer-3 to Layer-2 mapping, IGMP, etc.)
• Describe, configure, or verify IP multicast routing (i.e., PIM Sparse-Dense Mode)
Implement IPv6
• Describe IPv6 addressing operations
• Describe IPv6 interoperation with IPv4
• Describe, configure or verify OSPF routing with IPv6 addressing
Implement VLANs
• Explain the functions of VLANs in a hierarchical network
• Configure VLANs (e.g., Native, Default, Static and Access)
• Explain and configure VLAN trunking (i.e., IEEE 802.1Q and ISL)
• Explain and configure VTP
• Verify or troubleshoot VLAN configurations
Conduct the operation of Spanning Tree protocols in a hierarchical network
• Explain the functions and operations of the Spanning Tree protocols (i.e., RSTP, PVRST, MISTP)
• Configure RSTP (PVRST) and MISTP
• ” Describe and configure STP security mechanisms (i.e., BPDU Guard, BPDU Filtering, Root Guard)
• Configure and Verify UDLD and Loop Guard
• Verify or troubleshoot Spanning Tree protocol operations
• Configure and verify link aggregation using PAgP or LACP
Implement Inter-VLAN routing
• Explain and configure Inter-VLAN routing (i.e., SVI and routed ports)
• Explain and enable CEF operation
• Verify or troubleshoot InterVLAN routing configurations
Implement gateway redundancy technologies
• Explain the functions and operations of gateway redundancy protocols (i.e., HSRP, VRRP, and GLBP)
• Configure HSRP, VRRP, and GLBP
• Verify High Availability configurations
Describe and configure wireless client access
• Describe the components and operations of WLAN topologies (i.e., AP and Bridge)
• Describe the features of Client Devices, Network Unification, and Mobility Platforms (i.e., CCX, LWAPP)
• Configure a wireless client (i.e., ADU)
Describe and configure security features in a switched network
• Describe common Layer 2 network attacks (e.g., MAC Flooding, Rogue Devices, VLAN Hopping, DHCP Spoofing, etc.)
• Explain and configure Port Security,802.1x, VACLs, Private VLANs, DHCP Snooping, and DAI
• Verify Catalyst switch (IOS-based) security configurations (i.e., Port Security, 802.1x, VACLs, Private VLANs, DHCP Snooping, and DAI)
Configure support for voice
• Describe the characteristics of voice in the campus network
• Describe the functions of Voice VLANs and trust boundaries
• Configure and verify basic IP Phone support (i.e. Voice VLAN, Trust and CoS options, AutoQoS for voice)
以下内容为pass4sure关于642-892考试的部分考题.有兴趣的朋友可以登陆pass4sure咨询客服人员.获得更详细的帮助信息.
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