Which two statements about a wireless repeater topology are true？（）
- AA wireless repeater is an access point that is not connected to the wired LAN.
- BThe repeater feature is only available in lightweight access point topologies.
- CThe SSID of the root access point must be configured on the repeater access point.
- DThis topology requires a 10 - 15 percent overlap between a wired access point and the wireless repeater.
- EThis topology requires a 15 - 25 percent overlap between a wired access point and the wireless repeater.
- FTo avoid interference， the repeater access point must use a different channel from what the root access point uses.