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Huawei H12-311_V3.0 Practice Test - Questions Answers, Page 9

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Question 81

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Radio frequency mainly uses spread spectrum technology. Which of the following technologies belong to spread spectrum technology ()? (Select 2 Answers)

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Question 82

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MIMO The antenna configuration is usually expressed as ' M*N ',in M and N What does each mean ()?

(Select 2 Answers)

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Question 83

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In a point-to-multipoint networking environment, one device serves as the central device, and all other devices only establish wireless bridges with the central device to realize the interconnection of multiple networks. The disadvantage is that the intercommunication of multiple branch networks must be forwarded through the central bridge device.

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Question 84

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Which of the following options are 802.11b/g What are the differences between the agreements? (Select 3 Answers)

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Question 85

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Compared with 802.11a/b/g, the technical advantages of 802.11n include which of the following aspects ()?

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Question 86

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because 802.11a The maximum rate supported is the same as 802.11g. The maximum rate supported is the same, so 802.11a Protocol is backward compatible 802.11g Agreement.

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Question 87

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Which of the following rates is not 802.11

a. The rate supported by the protocol ()?

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Question 88

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A company wants to deploy WLAN, the company has purchased a batch of wireless APs that support 802.11n, when WLAN is deployed, only support Only 802.11n wireless clients can connect to the company's WLAN

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Question 89

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802.11 In the frame, it is used to record the network allocation vector ( NAVWhat is the value of ()?

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Question 90

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802.11 In the frame, Address Which address bit represents the address of the receiving end of the frame ()?

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