The HCS-Field-WLAN certification is designed to assess and evaluate WLAN professionals’ ability on planning, designing and optimizing Huawei WLAN. Most important, H20-311-ENU exam is the only subject for HCS-Field-WLAN certification. HCS-Field-WLAN v1.0 is different from WLAN professional certification,this certification is specifically based on the requirements of channel engineer job skill and focusing more on professional