Free Access Huawei.H12-311.v2022-09-27.q202 Practice Test (Page 36)

Question 171

Which of the following protocols can support both the 2.4 GHz band and the 5 GHz band?

A.802.11b

B.802.11g

C.802.11a

D.802.11n

Question 172

Huawei AC controller AC6605 supports user access security management through security templates and supports WEP, WPA/WPA2, and WAPI security policies.

A.True

B.False

Question 173

Which of the following descriptions about the service VLAN are correct? (Multiple Choice)

A.Service VLAN under the VAP template

B.The device interface is connected to the PVID of the AP.

C.Responsible for the establishment of CAPWAP tunnel between AC and AP

D.Mainly responsible for transmitting data when WLAN users access the Internet.

Question 174

In the 802.11 frame, what is the value of To DS and From DS respectively when the wireless station sends a signal to the wireless AP?

A.0 , 1

B.0 , 0

C.1 , 0

D.1 , 1

Question 175

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

A.modulation

B.phase modulation

C.frequency modulation

D.amplitude modulation

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