You may also find that this HCDA exam is also called HCNA exam. The full exam name is HCNA-HNTD (Huawei Certified Network Associate-Huawei Network Technology and Device). If you want to get HCNA certified you should prepare and pass H12-211-ENU certification test.
After upgrade, this HCNA-HNTD exam covers basic IP network connectivity, TCP/IP technologies, Ethernet technologies such as STP and RSTP, VLAN and Link Aggregation and their implementation within Huawei switches. Routing principles and technologies including RIP and OSPF for IPv4 and IPv6 networks, WAN technologies, IP based security, network management as well as IPv4 and IPv6 based application services.