H12-311_V3.0-ENU

Which of the following descriptions of power splitters and couplers are correct is ().A . Power divider and coupler are equal power distributionB . The power divider is equal power distribution, and the coupler is unequal power distributionC . The power divider is unequal power distribution, and the coupler is...

Huawei Box Wireless Controller AC6605 support twenty four Piece PoE Interface in WLAN Can be directly connected when networking AC of AP Make a supply Electricity.A . TrueB . FalseView AnswerAnswer: B

What are the general methods to solve co-channel interference (). (Select 3 Answers)A . adjust AP Transmit power, adjust antenna feederB . Reasonable frequency reuse to ensure that the same channel does not appear in the same or adjacent coverage areasC . Use omnidirectional antennas for coverageD . Use obstacles...

In order to facilitate management and maintenance, AP The power supply mode is generally preferred to select () for power supply.A . Independent power adapterB . POE switchC . POE adapterD . AC power supplyView AnswerAnswer: B

Which of the following statements about region is correct ()? (Select 3 Answers)A . APs belonging to the same region will uniformly adjust the radio frequency channel and powerB . An AP can belong to two regions at the same time, so that roaming is more optimizedC . If there...

for dBm,dB,dBi, The following description is correct (). (Select 3 Answers)A . dBm: Absolute value of characterizing powerB . dBi and dBd: Characterize the relative value of gainC . dB The relative value of characterizing powerD . If the antenna of A is 12dBi, The second antenna is 14dBi, It...

Regarding the two major PoE standards, the following statement is incorrect (). (Select 2 Answers) A. The A.802.af standard was formulated in 2009, and the maximum output power is 30W B. 802.at supports four power levels and only supports Category 5 lines C. 802.af, also known as PoE+, can be...

Mesh Networking is defined in which of the following protocols ()?A . 802.11aB . 802.11gC . 802.11eD . 802.11sView AnswerAnswer: D

Which of the following rates is not 802.11a. The rate supported by the protocol ()?A . 6MbpsB . 12MbpsC . 24MbpsD . 30MbpsView AnswerAnswer: D

WLAN The signal passes through which of the following materials with less penetration loss (). (Select 2 Answers)A . Gypsum boardB . Glass window (colorless)C . Concrete wallD . Brick wallView AnswerAnswer: A,B