What is the correct description of PoE power supply below?

A.

PoE power supply refers to powering the AP through the AC adapter.

B.

If you use PoE adapter to supply power, just ensure that the cable between the PoE adapter and the AP does not exceed 80 meters.

C.

AP6610DN is preferably powered by PoE mode.

D.

If the PoE power supply meets the 802.3at standard, the power supply of each power supply port can reach 30W.

The following description of the WLAN outdoor AP is wrong?

A.

AP8030DN cannot be connected to an external antenna.

B.

AP6610DN supports PoE power supply

C.

AP8130DN has 4 RF ports

D.

AP6510DN supports 11a/b/g/n/ac protocol

Which of the following commands can view the output power of a specified interface?

A.

display PoE-power

B.

display PoE information

C.

display PoE power interface interface-type interface-number

D.

display PoE dower-state interface interface-type interface-number

When WLAN outdoor coverage planning is to ensure no interference, the uplink and downlink field strength is not less than -75dBm to ensure the service experience of the edge coverage.

A.

True

B.

False

What is the correct description of the CAPWAP broken link business retention function?

A.

By default, the CAPWAP broken link service hold function is enabled.

B.

By default, the CAPWAP broken link service hold function is not enabled.

C.

In the tunnel forwarding mode, the CAPWAP is broken and the user service is not interrupted.

D.

In direct forwarding mode, CAPWAP is broken, and user services are not interrupted.

In the process of AC dual link building, what information does the AP organize?

A.

AC IP address

B.

AC active and standby priority

C.

AC dual link feature switch

D.

AC MAC address

E.

AC model

What is the correct description of the tools before the actual site survey of the WLAN?

A.

Tape measure is mainly used for indoor scene obstacle test and trace distance measurement.

B.

The range finder is mainly used to measure the outdoor mixing height in outdoor scenes, or the distance between obstacles, the length of the venue, etc.

C.

Hotspot mobile phones can be used as both a signal source and a signal scan

D.

Focus on the installation location of the camera, the overall coverage area, the building structure, and new obstacles in the outdoor coverage scene.

In the WLAN network design, the following is the correct design for the cable?

A.

The network cable between the AP and the switch should be no more than 100 meters long. In some cases, it should not exceed 80 meters.

B.

When calculating the length of the network cable, it is just right to switch from the switch to the AP.

C.

Keep away from strong electric and magnetic wires

D.

Communicate with customers in advance to avoid the possibility of construction due to property or aesthetic requirements

A wireless AP and wireless terminal support MIMO 2*2. When the AP works in HT20 mode, which of the following data is closest to the wireless terminal? Throughput (the terminal is in the key coverage area)?

A.

30Mbps

B.

90Mbps

C.

150Mbps

D.

300Mbps

The following is a statement about the WLAN room sub-channel planning. What is wrong?

A.

Confirm the local available channel with the customer before planning

B.

The same channel is the same as the channel sent by the antenna connected to the AP.

C.

Huawei's room AP6310 supports channel planning for 2.4G and 5G bands simultaneously.

D.

Adjacent edge antennas do not use the same channel