H12-311-ENU

Parameter which used to check the integrity of the received frame in 802.11 frame is() 。A . Frame ControlB . DurationC . FCSD . Sequence control bitView AnswerAnswer: C

In the process of thin AP find out of AC, the first step is AP check for preconfigured AC static IP list.A . TrueB . FalseView AnswerAnswer: A

The following protocols which support 2.4 GHz frequency band()? (Select 3 Answers)A . 802.11aB . 802.11bC . 802.11gD . 802.11nView AnswerAnswer: B C D

Connected by multiple AP and network infrastructure mode of distributed system, also known as what()?A . Basic Service SetB . Basic Service AreaC . Extended Service SetD . Extended Service AreaView AnswerAnswer: C

The technology of 802.11n compared to 802.11a/b/g, which of the following advantages include?A . the maximum theoretical transmission rate up to 600 MBPSB . downward compatible with 802.11a/b/g protocolsC . support MIMO technologyD . the above are all correctView AnswerAnswer: C

BSSID is the MAC address of the AP actually used to identify a BSS managed AP 。A . TrueB . FalseView AnswerAnswer: B

Which of the following is wireless LAN standards originally formulated by IEEE()?A . IEEE 802.11B . IEEE 802.10C . IEEE 802.12D . IEEE 802.16View AnswerAnswer: A

Basic service set is the basic component of 802.11 network, consists of a set of workstations communicate with each other 。A . TrueB . FalseView AnswerAnswer: A

Which of the following standard is set by WiFi Alliance()? (Select 2 Answers)A . 802.11a/b/g/nB . WPAC . WPA2D . 802.11iView AnswerAnswer: B C

In the frame of 802.11, what is the right corresponding relation between Frame Control of the Type and Frame format()?A . Type 01 said the data framesB . Type 10 said the control frameC . Type 00 said in reserve to useD . Type 00 said the management frameView AnswerAnswer:...