H12-311_V3.0無料問題集「Huawei HCIA-WLAN V3.0」

質問 1

User number 300 People, concurrency rate 70% , Terminal support 2.4GHz and 5GHz Frequency band, in accordance with each AP Maximum number of dual-band access users40 people Consider, need at least () AP Able to meet capacity requirements?

（A）5

（B）7

（C）8

（D）6

正解：D 解答を投票する

質問 2

802.11 The parameter used in the frame to check the integrity of the received frame is ()

（A）Frame Control

（B）FCS

（C）Sequence control bit

（D）Duration

正解：B 解答を投票する

質問 3

an examination AC What is the command for online users ()?

（A）display users all

（B）display user-interface console 0

（C）display access-user

（D）display local-user

正解：C 解答を投票する

質問 4

AC Perform the load balancing process according to () information.

（A）AP Periodically to AC Send its associated STA Information

（B）STA Periodically report the current associated AP Logo

（C）AC Timed query AP Associated STA number

（D）STA Periodically search the surrounding AP Information and through association AP Report AP Logo

正解：B 解答を投票する

質問 5

display ap all Command can be viewed AP of MAC ,Type And running status.

（A）False

（B）True

正解：B 解答を投票する

質問 6

In a dual-link backup network, AP According to what distinguishes the main use AC And spare AC of()?
(Select 3 Answers)

（A）AC Load condition

（B）AC of IP address

（C）priority

（D）AC response AP Time of day

正解：A、B、C 解答を投票する

質問 7

MIMO(Multiple input and multiple output) The client can use at most 3 Two spatial streams transmit data at the same time, and the maximum theoretical rate can reach , That is, multiple input and multiple output, using 600Mbps . 802.11n Technology wireless access point and guest

（A）False

（B）True

正解：A 解答を投票する

質問 8

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

（A）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

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

（C）The antenna radiates electromagnetic waves to the surrounding space

（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.

正解：B、C、D 解答を投票する

質問 9

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

（A）reset

（B）clear

（C）enable statistics

（D）restart statistics

正解：A 解答を投票する

質問 10

802.11g What is the bandwidth of each channel of the frequency band ()?

（A）22 MHz

（B）20 MHz

（C）25 MHz

（D）50 MHz

正解：B 解答を投票する

質問 11

AP Domain AP The deployment type does not include ().

（A）Ordinary deployment

（B）Orderly deployment

（C）Discrete deployment

（D）Densely deployed

正解：B 解答を投票する

質問 12

For indoor distributed APs, which of the following descriptions is correct is ().

（A）AP6310SN supports dual frequency mode

（B）Can be deployed in conjunction with the operator's 3G network

（C）Waterproof and dustproof

（D）AP power up to 800mW

正解：B 解答を投票する

質問 13

Which modulation method is the picture below ()?

（A）FM

（B）AM

（C）Wave modulation

（D）phase modulation

正解：A 解答を投票する

質問 14

The distance between the center frequencies of the two channels is less than or equal to In order to avoid adjacent channel interference during domain channel planning, the same channel is not allowed to be used.
25MHz When there is an overlapping area between the channels, there will be some interference, so in the adjacent area

（A）False

（B）True

正解：A 解答を投票する

H12-311_V3.0 無料問題集「Huawei HCIA-WLAN V3.0」

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