Elements and Performance Criteria
- Specify the operation of a data network
- Identify the various network elements
- Use the open system interconnections (OSI) and transmission control protocol, or internet protocol (TCP/IP), models to explain how data flows in a network
- Define the purpose, and basic operation, of the protocols in the OSI and TCP/IP models
- Identify common network problems at layers 1, 2, 3 and 7, using a layered model approach
- Implement a small switched network
- Select the appropriate media, cables, ports, and connectors to connect switches to other network devices and hosts
- Identify the network segmentation, basic traffic management and switching requirements
- Perform, save and verify the initial switch configuration tasks
- Verify the network status and switch the operation using basic utilities
- Implement and verify the basic security for a switch
- Implement an IP addressing scheme and IP services to meet network requirements
- Specify the need and role of addressing in a network
- Create and apply an addressing scheme to a network
- Assign and verify valid IP addresses to hosts, servers and networking devices in a local area network (LAN) environment
- Specify the operational requirements of private and public IP addressing
- Implement static and dynamic addressing services for hosts in a LAN environment
- Enable the network address translation (NAT) for a small network, with a single internet service provider (ISP) and connection, and verify the operation
- Configure the dynamic host configuration protocol (DHCP) on a router
- Implement a small routed network
- Select the appropriate media, cables, ports, and connectors to connect routers to other network devices and hosts
- Research and select a basic router
- Perform, save and verify basic router configuration tasks
- Configure and verify, a classless routing protocol
- Verify the device configuration and network connectivity, using basic utilities
- Implement the password, and physical security
- Implement and verify WAN links
- Troubleshoot a small enterprise branch network