第六章单元测试
- There are two address fields in 802.11 frame.
- What are the type of wireless networks?
- Hosts in wireless networks can work in two modes ( )
- APs transmit beacon frames. An AP’s beacon frames will be transmitted over one of the ( ) channels. The beacon frames permit nearby wireless stations to discover and identify the AP.
- CDMA is a kind of ( ) protocol
A:对 B:错
答案:错
A:Multi-hop, infrastructure-less B:Multi-hop, infrastructure-based C:Single hop, infrastructure-less D:Single hop, infrastructure-based
A:ad hoc mode B:offline mode C:infrastructure mode D:online mode
A:9 B:10 C:11 D:12
A:random access B:channel division C:none of the above D:taking-turns protocol
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