Free Access H3C.GB0-342-ENU.v2023-02-25.q133 Practice Test (Page 21)

Common methods of wireless troubleshooting include

A.substitution method

B.Layered Troubleshooting

C.Blocking Troubleshooting

(Single choice) Which of the following does not meet the engineering specifications for rail transit wireless deployment is.

A.The AP is placed in a waterproof box, and the box body and equipment should be well-qualified, heat-dissipating, and waterproof.

B.The angle of the lightning rod of the antenna is less than 30°, and the ground wire is introduced, and the length of the cable does not exceed 30m

C.The antenna is installed parallel to the track, and the installation height of the antenna is staggered from the vehicle antenna

D.The cables are uniformly fixed with cable ties and routed through the specified route

The transmit power is 7dBm, what is the corresponding transmit power?

A.20mw

B.10mw

C.7mw

D.5mw

802.11g/n supports 1-14 channels, each country supports different channels, the channels used in China

A.1-14

B.1-13

C.1-11

D.1-12

The following are not 802.11ax improvements to 802.11ac technology:

A.farther coverage

B.Introduced higher-order modulation technology, better power saving management (TWT)

C.Multi-User Operation Techniques: MU-MIMO and OFDMA

D.Color code-based spatial multiplexing technology

Other Version: 1773H3C.GB0-342-ENU.v2023-05-08.q109; 2320H3C.GB0-342-ENU.v2022-12-24.q120

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