The common reason why an AP cannot obtain an IP address is (ABC) (Select 3 Answers).
A. The address pool is incorrectly configured.
B. The address pool is exhausted.
C. Intermediate network problems.
D. POE power failure.
When the two-channel center frequency distance is less than or equal to 25 MHz, there is an overlapping area between the channels, and there may be some interference. Therefore, in order to avoid adjacent channel interference in adjacent area channel planning, the same channel is not allowed.
A. True
B. False
What are the general methods for solving co-channel interference (ABD) (Select 3 Answers).
A. Adjust AP transmit power and adjust antenna feed
B. Reasonable frequency reuse to ensure that the same channel does not appear in the same or adjacent coverage area
C. Multi-directional coverage using omnidirectional antennas
D. Natural isolation using obstacles
Which of the following features (BCD) (Select 3 Answers) is available for the Huawei WLAN Planning Tool.
A. Support automatic identification and identification of obstacles
B. Support common coverage area and key coverage area division
C. Support automatic deployment of AP location
D. Support WLAN planning report for export specification
When wireless network engineers are planning for WLAN networks, the purpose of RF simul-ation is (ABC) (Select 3 Answers).
A. Simulate signal coverage, find blind areas
B. Obtain field strength distribution at different locations
C. Obtain the current signal-to-noise ratio at different locations
D. Obtain the available bandwidth at different locations
For areas with roaming requirements, the coverage of neighboring APs is kept above 50% to ensure smooth switching between APs.
A. True
B. False
When WLAN planning is performed in a single area, the factors affecting the number of APs deployed are (Select 3 Answers).
A. Number of people accessing in the area
B. Size of the area
C. Field strength and bandwidth requirements
D. Number of network ports
What is the coverage of the AP (Select 3 Answers).
A. AP transmit power
B. Antenna gain
C. AP size
D. Transmission loss
The electrical performance indicators of the antenna include (Select 3 Answers).
A. Gain
B. Lobe width
C. Power size
D. Polarization mode
The gain of antenna A is 11dBi, and the gain of antenna B is 8dBi. It can be said that antenna A has a larger gain than antenna B.
A. 3dB
B. 3dBi
C. 3dBd
D. Uncertain
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