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Free HCIA-WLAN V3.0 Practice Questions

Question # 91

AP The size of the coverage area is controlled by ().

(Select 2 Answers)

Options:

A.  

adjust AP Antenna angle

B.  

adjust AP Transmit power

C.  

adjust AP Power supply

D.  

adjust AP Access bandwidth

Discussion 0
Question # 92

eSight The network management is Huawei's dedicated network management platform, but it can only manage Huawei's own equipment.

Options:

A.  

True

B.  

False

Discussion 0
Question # 93

exist WLAN In the networking configuration, finally AC6605 What command must be executed to send the configuration to AP1 middle()?

Options:

A.  

save ap id 1

B.  

commit ap 1

C.  

save ap 1 config

D.  

save config ap 1

Discussion 0
Question # 94

For the polarization of electromagnetic waves, which of the following descriptions is correct is (). (Select 3 Answers)

Options:

A.  

The antenna radiates electromagnetic waves to the surrounding space

B.  

The polarization of the antenna refers to the direction of the magnetic field strength formed when the antenna radiates

, The direction of the electric field changes according to a certain rule

C.  

If the electric field direction of the electric wave is perpendicular to the ground, we call it a vertically polarized wave

D.  

If the transmitting antenna is circularly polarized, the receiving antenna must also be circularly polarized, and the polarization direction of the two must be the same.

Discussion 0
Question # 95

The lobe width is a very important parameter commonly used in directional antennas. It refers to the width of the antenna's radiation pattern below the peak (.)dB The angle of the premises

Options:

A.  

3

B.  

4

C.  

5

D.  

6

Discussion 0
Question # 96

If one 802.11n of AP support 2*2 of MIMO Technology, then this AP What is the theoretical rate of ()?

Options:

A.  

150 Mbps

B.  

300 Mbps

C.  

450 Mbps

D.  

600 Mbps

Discussion 0
Question # 97

802.11 In the frame, RTS and CTS What is the interframe interval between ()?

Options:

A.  

SIFS

B.  

IFS

C.  

DIFS

D.  

PIFS

Discussion 0
Question # 98

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

Discussion 0
Question # 99

when AC When it is a bypass networking, if the data is forwarded directly, then the data flow () flow () A

C.  

AC; If the data is in tunnel forwarding mode, the data

Options:

A.  

Don't go through

B.  

Don't pass, don't pass

C.  

Pass by

D.  

Pass, not pass

Discussion 0
Question # 100

802.11 Wireless LAN CSMA/CA Which of the following are included in the mechanism ()? (Select 3 Answers)

Options:

A.  

Carrier sense

B.  

Multiple access

C.  

Conflict detection

D.  

Conflict avoidance

Discussion 0

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