For channel delivery projects, which of the following cannot be used as a basis for recognition of channel WLAN delivery capabilities?

For channel delivery projects, which of the following cannot be used as a basis for recognition of channel WLAN delivery capabilities?
A . WLAN product delivery qualifications, such as HCIA or HCIP engineer
B . Huawei WLAN project delivery experience
C . Friendly merchants’ non-WLAN project delivery experience
D . Friends’ WLAN project delivery qualifications and experience

Answer: C