一 思科认证CCNA考试费是多少



  • Identify the components of a computer network and describe their basic characteristics

  • Understand the model of host-to-host communication

  • Describe the features and functions of the Cisco Internetwork Operating System (IOS®) software

  • Describe LANs and the role of switches within LANs

  • Describe Ethernet as the network access layer of TCP/IP and describe the operation of switches

  • Install a switch and perform the initial configuration

  • Describe the TCP/IP Internet layer, IPv4, its addressing scheme, and subnetting

  • Describe the TCP/IP Transport layer and Application layer

  • Explore functions of routing

  • Implement basic configuration on a Cisco router

  • Explain host-to-host communications across switches and routers

  • Identify and resolve common switched network issues and common problems associated with IPv4 addressing

  • Describe IPv6 main features and addresses, and configure and verify basic IPv6 connectivity

  • Describe the operation, benefits, and limitations of static routing

  • Describe, implement, and verify Virtual Local Area Networks (VLANs) and trunks

  • Describe the application and configuration of inter-VLAN routing

  • Explain the basics of dynamic routing protocols and describe components and terms of Open Shortest Path First (OSPF)

  • Explain how Spanning Tree Protocol (STP) and Rapid Spanning Tree Protocol (RSTP) work

  • Configure link aggregation using EtherChannel

  • Describe the purpose of Layer 3 redundancy protocols

  • Describe basic WAN and VPN concepts

  • Describe the operation of Access Control Lists (ACLs) and their applications in the network

  • Configure Internet access using Dynamic Host Configuration Protocol (DHCP) clients and explain and configure Network Address Translation (NAT) on Cisco routers

  • Describe basic Quality of Service (QoS) concepts

  • Describe the concepts of wireless networks, which types of wireless networks can be built, and how to use Wireless LAN Controllers (WLCs)

  • Describe network and device architectures and introduce virtualization

  • Introduce the concept of network programmability and Software-Defined Networking (SDN) and describe smart network management solutions such as Cisco DNA Center™, Software-Defined Access (SD-Access), and Software-Defined Wide Area Network (SD-WAN)

  • Configure basic IOS system monitoring tools

  • Describe the management of Cisco devices

  • Describe the current security threat landscape

  • Describe threat defense technologies

  • Implement a basic security configuration of the device management plane

  • Implement basic steps to harden network devices

二 思科认证CCNA一般学习多长时间


三 思科认证CCNA考证书容易吗,能找到工作吗




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