HCIA Describe the basic principles of data communication and be competent for basic O&M of IP networks. Plan and design IP addresses. Performing Basic VRP Operations. Describe the functions and working principles of the switching equipment. Set up an efficient switching network by configuring switching devices and running the STP/RSTP protocol. Describe the basic principles of routing and routing protocols. Configure OSPF to build an efficient routing network. Configure common services on enterprise networks, such as DHCP, FTP, and Telnet, so that engineer can efficiently use and manage the network. Configure link aggregation, VLAN to enhance the performance of Layer two networks. Configure HDLC, PPP, PPPoE to implement WAN interconnection. Performing NAT Configuration. Configure ACL, AAA, and IPSec/GRE to provide security solutions for IP networks. Configure SNMP to manage networks in a unified manner. Know about principle of MPLS and Segment Routing.