H12-311-ENU

In the frame of 802.11, which Address bits represent the frame Address at the receiving end()?A . Address 1B . Address 2C . Address 3D . Address 4View AnswerAnswer: A

If one Wireless Client is connected to two SSID with the same AP, then, what to determine the wireless terminal to which the wireless AP()?A . SSIDB . ESSIDC . BSSIDD . BSAView AnswerAnswer: C

In WDS peer-to-peer network, the backbone link between Root AP and Leaf AP connected by 5GHz frequency band, the frequency band of Root AP is 149, so which frequency band should be picked of Leaf AP()?A . 149B . 153C . 157D . In addition to 149View AnswerAnswer: A

Which country or region standard organization is ETSI()?A . ChinaB . USAC . JapanD . EuropeView AnswerAnswer: B

Point-to-point wireless bridge can be used to connect two separate network located in different sites, in wireless backhaul connection, Root AP and Leaf AP should set different channels.A . TrueB . FalseView AnswerAnswer: B

In the frames of 802.11, if the terminal to get access to the wireless medium, what kind of Control Message should be sent()?A . RTSB . CTSC . ACKD . PS-PollView AnswerAnswer: A

If one AP of 802.11n support 2 * 2 MIMO technology, the theoretical rate of this AP is()?A . 150 MbpsB . 300 MbpsC . 450 MbpsD . 600 MbpsView AnswerAnswer: B

Which channels are not overlapped with each other in 802.11b protocol()? (Select 3 Answers)A . 1B . 3C . 6D . 11View AnswerAnswer: A C D

According to the different parameters of the control signal, what can be divided into by modulation mode()? (Select 3 Answers)A . AMB . FMC . PMD . SMView AnswerAnswer: A B C

Which of the following protocol is set by IEEE 802.11 standard()? (Select 3 Answers)A . 802.11a/b/g/nB . 802.11iC . 802.1XD . 802.11sView AnswerAnswer: A B D