Online Access Free Huawei.H12-311-ENU.v2022-01-31.q132 Practice Test (Page 19)

What is the radio physical layer technology used by 802.11ac?

A.QAM

B.DSSS

C.FHSS

D.OFDM

What are the prerequisites for users to implement Layer 3 roaming (Select 3 Answers)?

A.User roaming requires two AP signals to be covered with overlapping areas

B.The SSID released by the two APs of the user roaming switch must have the same authentication method.

C.Two APs for user roaming switch must have the same VLAN

D.The two APs of the user roaming switch must have the same SSID.

Which channels are not overlapped with each other in 802.11b protocol? (Multiple Choice)

A.1

B.3

C.11

D.6

Configuration of the AP authentication mode, what kinds of AP authentication support? (Multiple choice)

A.no-auth

B.mac-sn-auth

C.mac-auth

D.sn-auth

What are the modulation methods (Select 3 Answers) depending on the signal parameters being controlled?

A.modulation

B.phase modulation

C.amplitude modulation

D.frequency modulation

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