Free Access H3C.GB0-342-ENU.v2022-12-24.q120 Practice Test (Page 9)

Question 36

The signal strength RSSI displayed by the wireless device can directly reflect the quality of the link, but in fact, due to the fact that the noise floor is related to the environment and interference, it will change from time to time; while the SNR is relatively stable (for a fixed environment and transmit power), it can be considered and transmitted Power, the antenna used by the device, the distance of the device, and spatial attenuation are related, but after the device is installed, the SNR is often relatively fixed.
Which of the following statements about the relationship between bottom and RSSI is correct.

A.None of the above is true

B.In a fixed network, if the noise floor decreases, the RSSI will decrease; otherwise, if the noise floor increases, the RSSI will increase

C.In a fixed network, if the noise floor increases, the RSSI will increase; otherwise, if the noise floor decreases, the RSSI will decrease

D.In a fixed network, if the noise floor increases, the RSSI will decrease; otherwise, if the noise floor decreases, the RSSI will increase

Question 37

Which of the following descriptions about wireless bridging is correct?

A.FATAP can be bridged with FAT AP

B.H3C wireless AP can be wirelessly bridged with APs of other manufacturers

C.Two or more APs of the wireless bridge must work on the same channel

D.Fat AP can be bridged with Fit AP

Question 38

The media access mechanism of an 802.11 network is ______. In this mechanism, when the sender detects that the media is idle _______.

A.CSMA/CD: After waiting for the IFS time length, send data immediately, if a conflict occurs, start a timer Back-off-timer, when the timer counts down

B.CSMA/CA: After waiting for the IFS time length, start a timer Back-off Timer, and start sending messages when the timer counts down to zero.

C.CSMA/CA: After waiting for the IFS time length, the data will be sent immediately. If there is a conflict, a timer Back-off timer will be started, and the message will be resent when the timer counts down to zero.

D.CSMA/CD: After waiting for the IFS time length, start a timer Back-off Timer, and start sending messages when the timer counts down to zero.

Question 39

The H3C wireless controller can use the command "display wlan ap all verbose" to view the detailed information of AP registration. The following output is the detailed information of an AP viewed through this command.

From the above information, it can be known that _

A.There are currently no users on this AP because the Running Clients Count is 0

B.This AP has been registered and online for 42 minutes and 50 seconds. It can be judged whether this AP has been disconnected according to the running time of the wireless controller.

C.Admin State is DOWN, indicating that the AP's radio may be in the disabled state

D.Last Join Address Indicates the IP address used by the AP when it successfully established a link with the AC last time. When the AP is disconnected, you can try to telnet to the AP through this address

E.The model of this AP is WA2100-AG, the status is RUN (registered successfully), and the IP address is 192.168.0.125

Question 40

The following wireless controllers that support NAS storage are

A.WAC380-90

B.MSG360-10-PWR

C.MSG360-20N

D.WACaa0-120

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Question 36

Question 37

Question 38

Question 39

Question 40

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