Pass the Huawei HCIA-WLAN H12-311_V3.0 Questions and answers with CertsForce

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Viewing questions 61-70 out of questions
Questions # 61:

STA issued 802.11 Message to pass AP When entering the Ethernet, it is converted to 802.3 Packets that are not in the priority mapping method are

().

Options:

A.

No priority mapping


B.

According to different VAP Set different priorities


C.

Arrive according to the message AP Precedence


D.

according to UP Map to priority


Expert Solution
Questions # 62:

Wireless network engineer WLAN When planning the network, use RF The purpose of simul-ation is (). (Select 3 Answers)

Options:

A.

Analog signal coverage effect, find blind spots


B.

Obtain the field strength distribution of different locations


C.

Get the current signal-to-noise ratio of different locations


D.

Get available bandwidth in different locations


Expert Solution
Questions # 63:

It can be connected with the antenna via ().

Options:

A.

Network cable


B.

CATV coaxial cable


C.

Power cord


D.

50 ohm RF coaxial cable

Coaxial cable


Expert Solution
Questions # 64:

Which of the following types of frames does a STA receive to obtain surrounding wireless network information during passive scanning?

Options:

A.

Authentication frame


B.

Association Request frame


C.

Beacon frame


D.

Probe Request frame


Expert Solution
Questions # 65:

A large number of devices appear AP and AC How to deal with the version mismatch failure ().

Options:

A.

Upgrade the versions to match each other


B.

replace AP equipment


C.

Replace the switch


D.

an examination POE Is the power supply normal


Expert Solution
Questions # 66:

The following description of TKIP encryption is wrong ().

Options:

A.

The length of IV used in TKIP encryption is 24 bits


B.

TKIP encryption uses the same encryption algorithm as WEP encryption


C.

The motivation for developing TKIP encryption is to upgrade the security of the old WEP hardware


D.

TKIP encryption adds the mechanism of Key generation, management and transmission


Expert Solution
Questions # 67:

Which of the following 802.11 control frames is sent by a STA to acquire the right to the wireless medium?

Options:

A.

CTS


B.

RTS


C.

ACK


D.

PS-Poll


Expert Solution
Questions # 68:

Antennas are classified according to directivity and can be divided into () antennas and () antennas.

(Select 2 Answers)

Options:

A.

Plate


B.

paraboloid


C.

Omnidirectional


D.

Orientation


Expert Solution
Questions # 69:

Which of the following commands can be used to clear counter statistics?

Options:

A.

clear


B.

enable statistics


C.

restart statistics


D.

reset


Expert Solution
Questions # 70:

The following about SSID The statement is wrong ().

Options:

A.

One AP Can release multiple different SSID


B.

Multiple AP Can release the same one on SSID


C.

One AP Configurable SSID There is no limit to the number


D.

One AP Can release the same SSID Signal


Expert Solution
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