Wireless network engineer WLAN When planning the network, use RF The purpose of simul-ation is (). (Select 3 Answers)

1999 Year, IEEE 802.11a The standard formulation is completed. The standard stipulates that the working frequency band of wireless local area network can reach the transmission rate 11Mbps .
5.15 ~5.825GHz , Data transmission

IEEE It is the standards organization responsible for the use of wireless frequencies in the United States.

The basic service set is 802.11 The basic components of a network are composed of a group of workstations that communicate with each other.

User number 300 People, concurrency rate 70% , Terminal support 2.4GHz and 5GHz Frequency band, in accordance with each AP Maximum number of dual-band access users40 people Consider, need at least () AP Able to meet capacity requirements?