The 802.11 physical layer standard defines some common operations on the physical layer of wireless networks: such as QoS, security, and roaming operations.
Answer(s): B
Barker Code is a 11 Bit sequence (e.g. 10110111000 ), there are advantages in wireless transmission, which can effectively reduce interference, but it reduces efficiency.
Answer(s): A
802.11b is a protocol based on Orthogonal Frequency Division Multiplexing (OFDM for short) technology
802.11n Standard uses dual band (2.4GHz and 5GHz ), the theoretical transmission rate can reach up to 300Mbps, The actual test rate can reach arrive 100Mbps above.
DSSS The modulation methods used are BPSK and QPSK .
Post your Comments and Discuss Huawei H12-311_V3.0 exam prep with other Community members:
Our website is free, but we have to fight against AI bots and content theft. We're sorry for the inconvenience caused by these security measures. You can access the rest of the H12-311_V3.0 content, but please register or login to continue.