Free Access Huawei.H12-311.v2022-09-27.q202 Practice Test (Page 33)

Question 156

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

A.True

B.False

Question 157

Which of the following is included in the 82.802.11 WLAN CSMA/CA mechanism (Select 3 Answers)?

A.Carrier Sense

B.Conflict Detection

C.Conflict Avoidance

D.Multiple Access

Question 158

For dBm, dB, dBi, which of the following descriptions are correct? (Multiple Choice)

A.dB: characterizing the relative value of power

B.If A antenna is 12dBi and B antenna is 14dBi, it can be said that A is 2dBi smaller than B.

C.dBm: characterizing the absolute value of power

D.dBi and dBd: characterizing the relative value of the gain

Question 159

Which of the following commands can view the current AP license resource usage?

A.display license esn

B.display license resource usage

C.display license state

D.display ap all

Question 160

In the WDS point-to-point network, the backbone link between the Root AP and the Leaf AP is connected in the 5 GHz band. The channel used by the Root AP is 149. Which of the following channels should the Leaf AP use?

A.149

B.153

C.157

D.all of the above except for 149

Other Version: 4479Huawei.H12-311.v2022-06-06.q173; 3958Huawei.H12-311.v2022-01-30.q127; 69Huawei.Trainingdump.H12-311.v2021-12-04.by.randolph.174q.pdf

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Question 156

Question 157

Question 158

Question 159

Question 160

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