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Huawei H12-311_V3.0 Practice Test - Questions Answers, Page 8

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List of questions

Question 71

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ETSI Which country or region is the standards organization ()?

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Question 72

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Point-to-point wireless bridges can be used to connect two networks located at different locations. In the wireless backbone connection, they are set to different channels. Root AP and Leaf AP Should be set

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Question 73

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exist WDS One in the network Root AP Can connect multiple Leaf AP , But a Leaf AP Only one can be connected Root AP .

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Question 74

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exist WDS In the networking, it is connected to AC connected AP What is usually called ()?

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Question 75

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The 802.11 physical layer standard defines some common operations on the physical layer of wireless networks: such as QoS, security, and roaming operations.

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Question 76

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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.

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Question 77

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802.11b is a protocol based on Orthogonal Frequency Division Multiplexing (OFDM for short) technology

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Question 78

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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.

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Question 79

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DSSS The modulation methods used are BPSK and QPSK .

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Question 80

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Spread spectrum ( spread-spectrum ) Technology is to use ISM The basis of frequency band transmission of wireless data.

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Total 340 questions
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Related questions

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