Free Access to Huawei.H12-311.v2022-07-07.q199 with Valid Practice Test (Page 33)

Which of the following technologies works at 5 GHz (Select 2 Answers)?

For the polarization of the antenna, which of the following description is correct? (Multiple choice)

A.If the electric field of the electric wave is perpendicular to the ground, we call it a vertically polarized wave.
B.The antenna radiates electromagnetic waves to the surrounding space, and the direction of the electric field changes according to a certain law.
C.The polarization of the antenna refers to the direction of the magnetic field strength formed by the antenna radiation.
D.If the transmitting antenna is circularly polarized, the receiving antenna must also be circularly polarized and the polarization directions of both must be the same.

In the 802.11 frame, what type of frame does the STA's association request and authentication request belong to?

Regarding the functional characteristics of the AP6010SN, the following statement is correct (Select 2
Answers).

A.AP6010SN supports WDS function, which can realize point-to-point and point-to-multipoint wireless bridging
B.AP6010SN is an indoor distributed AP that only supports working in the 2.4GHz band.
C.AP6010SN not only has built-in antenna, but also can be installed with an external antenna.
D.The AP6010SN has an Ethernet interface that supports 802.3af PoE power supply standards.

Which of the following statement are correct about the classification of the antenna?
(Multiple choice)

A.according to use classification: shortwave antenna, ultra-short wave antenna and microwave antenna, etc
B.according to the classification of direction: omni-directional antenna, directional antenna, etc
C.according to the shape classification: linear antenna, planar antenna, etc
D.according to the working frequency band classification: communication antenna, TV antenna, radar antenna, etc

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