Are you curious about the Knowledge Points of H12-222 HCNP-R&S-IESN Certification Exam? When you are preparing for this exam, just follow the below points:

Ethernet Technology
1.Ethernet evolution process, port auto-negotiation technology, port trunking, port mirroring, working principles of a Layer 2 switch, and working principles of a Layer 3 switch
VLAN
1.802.1Q encapsulation and implementation of VLAN in Huawei products
2.Inter-VLAN routing, Super VLAN, MUX VLAN, ARP proxy, and VLAN mapping
3.GVRP principles, configuration, and implementation
4.QinQ principles, configuration, and implementation
STP/RSTP/MSTP
1.STP principles and configuration
2.RSTP principles and configuration
3.MSTP principles and configuration
Network Access Technology
1.802.1X access authentication techniques and principles
2.DHCP principles and extended switch feature, DHCP snooping
MPLS VPN
1.MPLS principles and implementation: MPLS frame format and encapsulation, MPLS data forwarding process, LDP neighbor discovery and session establishment, LDP label management, and MPLS loop avoidance
2.Basic principles and implementation of MPLS VPN: single-domain MPLS VPN principles; implementation and application of OSPF in MPLS VPN
3.MPLS VPN fault diagnosis: troubleshooting roadmap and debugging methods of control plane faults; troubleshooting roadmap and debugging methods of data plane faults
Huawei Ethernet Switches
1.Hardware structure and working principles of Huawei switches
2.VRP software features of Huawei switches