ICND1 Syllabus

Theses exam topics are guidelines for the content likely to be included on the Cisco Interconnecting Cisco Networking Devices Part 1 (ICND1) exam.

Operation of computer networks

  • Describe the functions and uses of network devices
  • Select the components required to design a specific network
  • Explain how data flows in a network using the OSI and TCP/IP models and their protocols
  • Describe common networking applications
  • Understand the purpose of protocols in the OSI and TCP models
  • Describe how applications such as VoIP might impact a network
  • Interpret and understand network diagrams
  • Determine the path between two hosts across a network
  • Describe the devices and software required for network and Internet communication
  • Identify and troubleshoot common network problems at OSI layers 1, 2, 3 and 7
  • Distinguish between LAN/WAN features

Build a small switched network

  • Determine the best media, cables, ports, and connectors to interconnect switches to other network devices and hosts
  • Understand media access control method for Ethernet technologies
  • Explain network segmentation concepts
  • Understand basic switching concepts
  • Explain the operation of Cisco switches
  • Perform initial switch configuration, verify the configuration and save to NVRAM
  • Verify network status using ping, traceroute, telnet, SSH, arp, ipconfig, SHOW & DEBUG commands
  • Implement and verify port security on a switch
  • Identify and troubleshoot common switched network cabling issues, configuration issues, and switch hardware failures

Implement an IP addressing scheme for a small branch office

  • Design and apply an addressing scheme to a network
  • Assign valid IP addresses to networking devices in a LAN
  • Explain the operation of NAT in a small network connecting to one ISP
  • Describe and verify DNS operation
  • Describe the benefits of using private and public IP addressing and its operation
  • Enable NAT for a small network with a single ISP and connection using SDM and verify operation
  • Configure, verify and troubleshoot the operation of DHCP and DNS
  • Implement static and dynamic addressing for hosts in a LAN
  • Troubleshoot IP addressing issues

Implement a small routed network

  • Describe basic routing concepts
  • Describe the operation of Cisco routers and router components
  • Select the appropriate media, cables, ports, and connectors to connect routers to other network devices
  • Configure, verify, and troubleshoot RIPv2
  • Use the router CLI to configure basic parameters
  • Connect, configure, and verify operation status of an interface
  • Verify configuration and network connectivity using ping, traceroute, telnet, SSH
  • Create and verify static or default routes given specific requirements
  • Manage IOS configuration files such as save, edit, upgrade, and restore
  • Manage Cisco IOS
  • Implement password and physical security on devices
  • Verify network status and router operation using ping, traceroute, telnet, SSH, arp, ipconfig, SHOW & DEBUG commands


  • Describe standards associated with wireless media
  • Describe the purpose of the components in a wireless network
  • Ensure that devices can connect to the correct access point
  • Compare and contrast wireless security features and capabilities of WPA security
  • Identify common issues with implementing wireless networks

Identify security threats to a network and describe how to mitigate those threats

  • Explain various network security threats and the need to for a comprehensive security policy
  • Explain methods to mitigate common security threats to network devices, hosts, and applications
  • Describe the functions of common security appliances and applications
  • Describe the recommended security practices to secure network devices

Implement and verify WAN links

  • Describe the different methods for connecting to a WAN
  • Configure and verify a basic WAN serial connection

About Internetwork Training

Internetwork Training specialize in CCNA training online.
To watch some free training videos, get a free study guide, plus loads more tips and information geared towards getting your Cisco certification sign-up here.